./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_valuebound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_2b73440e-68c6-4b01-a10a-5ac254d49228/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b73440e-68c6-4b01-a10a-5ac254d49228/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b73440e-68c6-4b01-a10a-5ac254d49228/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b73440e-68c6-4b01-a10a-5ac254d49228/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_valuebound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b73440e-68c6-4b01-a10a-5ac254d49228/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b73440e-68c6-4b01-a10a-5ac254d49228/bin/utaipan-verify-nQ1chXbOIh --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0477687fecbd3170f65e2eb11926275d6b3232cae024dd47071f89d509b612eb --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 15:36:28,879 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 15:36:28,962 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b73440e-68c6-4b01-a10a-5ac254d49228/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 15:36:28,967 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 15:36:28,968 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 15:36:29,010 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 15:36:29,011 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 15:36:29,012 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 15:36:29,012 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 15:36:29,013 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 15:36:29,013 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 15:36:29,014 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 15:36:29,014 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 15:36:29,015 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 15:36:29,015 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 15:36:29,016 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 15:36:29,016 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 15:36:29,017 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 15:36:29,017 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 15:36:29,018 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 15:36:29,018 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 15:36:29,019 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 15:36:29,020 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 15:36:29,020 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 15:36:29,021 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 15:36:29,021 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 15:36:29,021 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 15:36:29,022 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 15:36:29,022 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 15:36:29,023 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 15:36:29,023 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 15:36:29,023 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 15:36:29,024 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 15:36:29,024 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 15:36:29,024 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 15:36:29,025 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 15:36:29,025 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 15:36:29,025 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:36:29,025 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 15:36:29,025 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 15:36:29,026 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 15:36:29,026 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 15:36:29,026 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 15:36:29,026 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 15:36:29,027 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 15:36:29,027 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 15:36:29,027 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 15:36:29,027 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_2b73440e-68c6-4b01-a10a-5ac254d49228/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b73440e-68c6-4b01-a10a-5ac254d49228/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0477687fecbd3170f65e2eb11926275d6b3232cae024dd47071f89d509b612eb [2023-12-02 15:36:29,254 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 15:36:29,274 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 15:36:29,276 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 15:36:29,277 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 15:36:29,278 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 15:36:29,279 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b73440e-68c6-4b01-a10a-5ac254d49228/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_valuebound2.c [2023-12-02 15:36:31,993 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 15:36:32,199 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 15:36:32,199 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b73440e-68c6-4b01-a10a-5ac254d49228/sv-benchmarks/c/nla-digbench-scaling/geo1-ll_valuebound2.c [2023-12-02 15:36:32,205 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b73440e-68c6-4b01-a10a-5ac254d49228/bin/utaipan-verify-nQ1chXbOIh/data/2cea79bfd/cfb5b5fea2e64f84834466d1ce06e8d8/FLAGf59b39524 [2023-12-02 15:36:32,586 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b73440e-68c6-4b01-a10a-5ac254d49228/bin/utaipan-verify-nQ1chXbOIh/data/2cea79bfd/cfb5b5fea2e64f84834466d1ce06e8d8 [2023-12-02 15:36:32,589 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 15:36:32,590 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 15:36:32,591 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 15:36:32,591 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 15:36:32,595 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 15:36:32,596 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:36:32" (1/1) ... [2023-12-02 15:36:32,597 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1021b3c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:36:32, skipping insertion in model container [2023-12-02 15:36:32,597 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:36:32" (1/1) ... [2023-12-02 15:36:32,614 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 15:36:32,740 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_2b73440e-68c6-4b01-a10a-5ac254d49228/sv-benchmarks/c/nla-digbench-scaling/geo1-ll_valuebound2.c[546,559] [2023-12-02 15:36:32,754 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:36:32,763 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 15:36:32,776 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_2b73440e-68c6-4b01-a10a-5ac254d49228/sv-benchmarks/c/nla-digbench-scaling/geo1-ll_valuebound2.c[546,559] [2023-12-02 15:36:32,781 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:36:32,795 INFO L206 MainTranslator]: Completed translation [2023-12-02 15:36:32,795 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:36:32 WrapperNode [2023-12-02 15:36:32,796 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 15:36:32,797 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 15:36:32,797 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 15:36:32,797 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 15:36:32,805 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:36:32" (1/1) ... [2023-12-02 15:36:32,811 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:36:32" (1/1) ... [2023-12-02 15:36:32,829 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 43 [2023-12-02 15:36:32,829 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 15:36:32,830 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 15:36:32,830 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 15:36:32,830 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 15:36:32,839 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:36:32" (1/1) ... [2023-12-02 15:36:32,839 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:36:32" (1/1) ... [2023-12-02 15:36:32,841 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:36:32" (1/1) ... [2023-12-02 15:36:32,841 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:36:32" (1/1) ... [2023-12-02 15:36:32,844 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:36:32" (1/1) ... [2023-12-02 15:36:32,847 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:36:32" (1/1) ... [2023-12-02 15:36:32,848 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:36:32" (1/1) ... [2023-12-02 15:36:32,849 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:36:32" (1/1) ... [2023-12-02 15:36:32,850 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 15:36:32,851 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 15:36:32,852 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 15:36:32,852 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 15:36:32,853 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:36:32" (1/1) ... [2023-12-02 15:36:32,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:36:32,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b73440e-68c6-4b01-a10a-5ac254d49228/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:36:32,881 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b73440e-68c6-4b01-a10a-5ac254d49228/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 15:36:32,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b73440e-68c6-4b01-a10a-5ac254d49228/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 15:36:32,915 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 15:36:32,915 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 15:36:32,915 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 15:36:32,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 15:36:32,916 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 15:36:32,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 15:36:32,916 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 15:36:32,916 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 15:36:32,976 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 15:36:32,978 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 15:36:33,109 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 15:36:33,137 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 15:36:33,137 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 15:36:33,139 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:36:33 BoogieIcfgContainer [2023-12-02 15:36:33,139 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 15:36:33,141 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 15:36:33,141 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 15:36:33,144 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 15:36:33,144 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:36:32" (1/3) ... [2023-12-02 15:36:33,145 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fb81b18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:36:33, skipping insertion in model container [2023-12-02 15:36:33,145 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:36:32" (2/3) ... [2023-12-02 15:36:33,145 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fb81b18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:36:33, skipping insertion in model container [2023-12-02 15:36:33,146 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:36:33" (3/3) ... [2023-12-02 15:36:33,147 INFO L112 eAbstractionObserver]: Analyzing ICFG geo1-ll_valuebound2.c [2023-12-02 15:36:33,160 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 15:36:33,160 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 15:36:33,200 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 15:36:33,208 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=FINITE_AUTOMATA, 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;@1bcd7e7a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 15:36:33,208 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 15:36:33,213 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 13 states have internal predecessors, (16), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-12-02 15:36:33,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 15:36:33,218 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:36:33,219 INFO L195 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:36:33,219 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:36:33,223 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:36:33,223 INFO L85 PathProgramCache]: Analyzing trace with hash -149589660, now seen corresponding path program 1 times [2023-12-02 15:36:33,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:36:33,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524953237] [2023-12-02 15:36:33,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:36:33,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:36:33,329 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 15:36:33,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1125457971] [2023-12-02 15:36:33,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:36:33,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 15:36:33,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b73440e-68c6-4b01-a10a-5ac254d49228/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:36:33,331 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b73440e-68c6-4b01-a10a-5ac254d49228/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 15:36:33,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b73440e-68c6-4b01-a10a-5ac254d49228/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 15:36:33,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:36:33,411 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 25 conjunts are in the unsatisfiable core [2023-12-02 15:36:33,418 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:36:33,619 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-02 15:36:33,620 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 15:36:33,739 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 15:36:33,740 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:36:33,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [524953237] [2023-12-02 15:36:33,741 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 15:36:33,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1125457971] [2023-12-02 15:36:33,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1125457971] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-02 15:36:33,742 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 15:36:33,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2023-12-02 15:36:33,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131264962] [2023-12-02 15:36:33,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:36:33,749 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 15:36:33,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:36:33,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 15:36:33,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2023-12-02 15:36:33,776 INFO L87 Difference]: Start difference. First operand has 22 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 13 states have internal predecessors, (16), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 4 states have internal predecessors, (8), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-12-02 15:36:33,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:36:33,842 INFO L93 Difference]: Finished difference Result 39 states and 50 transitions. [2023-12-02 15:36:33,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 15:36:33,844 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.6) internal successors, (8), 4 states have internal predecessors, (8), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 20 [2023-12-02 15:36:33,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:36:33,852 INFO L225 Difference]: With dead ends: 39 [2023-12-02 15:36:33,852 INFO L226 Difference]: Without dead ends: 22 [2023-12-02 15:36:33,855 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2023-12-02 15:36:33,859 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 7 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 15:36:33,860 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 66 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 15:36:33,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2023-12-02 15:36:33,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2023-12-02 15:36:33,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 13 states have (on average 1.0769230769230769) internal successors, (14), 13 states have internal predecessors, (14), 6 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-12-02 15:36:33,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 25 transitions. [2023-12-02 15:36:33,898 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 25 transitions. Word has length 20 [2023-12-02 15:36:33,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:36:33,900 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 25 transitions. [2023-12-02 15:36:33,900 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.6) internal successors, (8), 4 states have internal predecessors, (8), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-12-02 15:36:33,900 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2023-12-02 15:36:33,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-02 15:36:33,902 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:36:33,903 INFO L195 NwaCegarLoop]: trace histogram [4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:36:33,909 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b73440e-68c6-4b01-a10a-5ac254d49228/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 15:36:34,108 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b73440e-68c6-4b01-a10a-5ac254d49228/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-12-02 15:36:34,109 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:36:34,109 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:36:34,110 INFO L85 PathProgramCache]: Analyzing trace with hash 2098605580, now seen corresponding path program 1 times [2023-12-02 15:36:34,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:36:34,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403408054] [2023-12-02 15:36:34,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:36:34,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:36:34,129 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 15:36:34,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [843488072] [2023-12-02 15:36:34,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:36:34,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 15:36:34,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b73440e-68c6-4b01-a10a-5ac254d49228/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:36:34,131 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b73440e-68c6-4b01-a10a-5ac254d49228/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 15:36:34,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b73440e-68c6-4b01-a10a-5ac254d49228/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-02 15:36:34,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:36:34,184 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-02 15:36:34,187 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:36:34,298 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 15:36:34,298 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 15:36:34,392 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 15:36:34,392 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:36:34,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403408054] [2023-12-02 15:36:34,393 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 15:36:34,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [843488072] [2023-12-02 15:36:34,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [843488072] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 15:36:34,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [86452549] [2023-12-02 15:36:34,411 INFO L159 IcfgInterpreter]: Started Sifa with 20 locations of interest [2023-12-02 15:36:34,411 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 15:36:34,414 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 15:36:34,418 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 15:36:34,418 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 15:36:35,274 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 34 for LOIs [2023-12-02 15:36:35,289 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 3 for LOIs [2023-12-02 15:36:35,290 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 15:36:36,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [86452549] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:36:36,123 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-12-02 15:36:36,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [8, 7] total 24 [2023-12-02 15:36:36,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803618303] [2023-12-02 15:36:36,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:36:36,125 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-12-02 15:36:36,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:36:36,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-12-02 15:36:36,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=439, Unknown=0, NotChecked=0, Total=552 [2023-12-02 15:36:36,127 INFO L87 Difference]: Start difference. First operand 22 states and 25 transitions. Second operand has 15 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 8 states have internal predecessors, (12), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-12-02 15:36:36,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:36:36,304 INFO L93 Difference]: Finished difference Result 35 states and 38 transitions. [2023-12-02 15:36:36,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-02 15:36:36,304 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 8 states have internal predecessors, (12), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Word has length 27 [2023-12-02 15:36:36,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:36:36,305 INFO L225 Difference]: With dead ends: 35 [2023-12-02 15:36:36,305 INFO L226 Difference]: Without dead ends: 29 [2023-12-02 15:36:36,306 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 56 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=113, Invalid=439, Unknown=0, NotChecked=0, Total=552 [2023-12-02 15:36:36,308 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 15 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-02 15:36:36,308 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 38 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-02 15:36:36,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2023-12-02 15:36:36,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2023-12-02 15:36:36,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 18 states have (on average 1.0555555555555556) internal successors, (19), 18 states have internal predecessors, (19), 7 states have call successors, (7), 4 states have call predecessors, (7), 3 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-12-02 15:36:36,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 32 transitions. [2023-12-02 15:36:36,320 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 32 transitions. Word has length 27 [2023-12-02 15:36:36,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:36:36,321 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 32 transitions. [2023-12-02 15:36:36,321 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 8 states have internal predecessors, (12), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-12-02 15:36:36,321 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 32 transitions. [2023-12-02 15:36:36,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-02 15:36:36,322 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:36:36,322 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:36:36,328 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b73440e-68c6-4b01-a10a-5ac254d49228/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-12-02 15:36:36,523 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b73440e-68c6-4b01-a10a-5ac254d49228/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2023-12-02 15:36:36,523 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:36:36,524 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:36:36,524 INFO L85 PathProgramCache]: Analyzing trace with hash 639342126, now seen corresponding path program 1 times [2023-12-02 15:36:36,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:36:36,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541165692] [2023-12-02 15:36:36,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:36:36,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:36:36,539 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 15:36:36,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1299273995] [2023-12-02 15:36:36,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:36:36,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 15:36:36,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b73440e-68c6-4b01-a10a-5ac254d49228/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:36:36,541 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b73440e-68c6-4b01-a10a-5ac254d49228/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 15:36:36,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b73440e-68c6-4b01-a10a-5ac254d49228/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-02 15:36:36,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:36:36,594 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 20 conjunts are in the unsatisfiable core [2023-12-02 15:36:36,597 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:36:36,726 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-02 15:36:36,727 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 15:36:36,834 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-02 15:36:36,835 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:36:36,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541165692] [2023-12-02 15:36:36,835 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 15:36:36,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1299273995] [2023-12-02 15:36:36,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1299273995] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 15:36:36,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1043811298] [2023-12-02 15:36:36,838 INFO L159 IcfgInterpreter]: Started Sifa with 20 locations of interest [2023-12-02 15:36:36,838 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 15:36:36,839 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 15:36:36,839 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 15:36:36,839 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 15:36:37,812 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 109 for LOIs [2023-12-02 15:36:38,152 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 3 for LOIs [2023-12-02 15:36:38,153 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 15:36:40,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1043811298] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:36:40,576 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-12-02 15:36:40,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [11, 7] total 27 [2023-12-02 15:36:40,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556750732] [2023-12-02 15:36:40,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:36:40,577 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-12-02 15:36:40,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:36:40,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-12-02 15:36:40,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=574, Unknown=0, NotChecked=0, Total=702 [2023-12-02 15:36:40,579 INFO L87 Difference]: Start difference. First operand 29 states and 32 transitions. Second operand has 15 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 8 states have internal predecessors, (13), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-12-02 15:36:40,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:36:40,813 INFO L93 Difference]: Finished difference Result 40 states and 44 transitions. [2023-12-02 15:36:40,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-02 15:36:40,814 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 8 states have internal predecessors, (13), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Word has length 34 [2023-12-02 15:36:40,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:36:40,815 INFO L225 Difference]: With dead ends: 40 [2023-12-02 15:36:40,815 INFO L226 Difference]: Without dead ends: 0 [2023-12-02 15:36:40,816 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 69 SyntacticMatches, 6 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 219 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=128, Invalid=574, Unknown=0, NotChecked=0, Total=702 [2023-12-02 15:36:40,817 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 1 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-02 15:36:40,818 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 25 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-02 15:36:40,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-02 15:36:40,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-02 15:36:40,819 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) [2023-12-02 15:36:40,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-02 15:36:40,819 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 34 [2023-12-02 15:36:40,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:36:40,819 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-02 15:36:40,820 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 8 states have internal predecessors, (13), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-12-02 15:36:40,820 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-02 15:36:40,820 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-02 15:36:40,822 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 15:36:40,827 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b73440e-68c6-4b01-a10a-5ac254d49228/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-12-02 15:36:41,023 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b73440e-68c6-4b01-a10a-5ac254d49228/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2023-12-02 15:36:41,025 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-02 15:36:41,901 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-02 15:36:41,902 INFO L895 garLoopResultBuilder]: At program point L29(line 29) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (<= 0 |ULTIMATE.start_main_~k~0#1|) (= (select |#length| 3) 12) (<= 1 |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~k~0#1| 2) (<= |ULTIMATE.start_main_~z~0#1| 2) (= 2 (select |#length| 1)) (= (select |#valid| 3) 1) (= (select |#valid| 1) 1) (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) (= (select .cse0 0) 48) (= 10 (select |#length| 2)) (= (select .cse0 1) 0) (<= 1 |ULTIMATE.start_main_~z~0#1|))) [2023-12-02 15:36:41,903 INFO L895 garLoopResultBuilder]: At program point L50(line 50) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (= (select |#length| 3) 12) (<= 1 |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~z~0#1| 2) (exists ((|v_ULTIMATE.start_main_~x~0#1_31| Int)) (and (or (and (= |v_ULTIMATE.start_main_~x~0#1_31| (+ |ULTIMATE.start_main_~z~0#1| 1)) (= |ULTIMATE.start_main_~y~0#1| (* |ULTIMATE.start_main_~z~0#1| |ULTIMATE.start_main_~z~0#1|)) (= 2 |ULTIMATE.start_main_~k~0#1|)) (and (= |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~z~0#1|) (= |ULTIMATE.start_main_~c~0#1| 1) (= |v_ULTIMATE.start_main_~x~0#1_31| 1))) (= (+ |v_ULTIMATE.start_main_~x~0#1_31| |ULTIMATE.start_main_~x~0#1|) (* |v_ULTIMATE.start_main_~x~0#1_31| |ULTIMATE.start_main_~z~0#1|)))) (= 2 (select |#length| 1)) (= (select |#valid| 3) 1) (<= |ULTIMATE.start_main_~c~0#1| 2) (= (select |#valid| 1) 1) (<= |ULTIMATE.start_main_~k~0#1| |ULTIMATE.start_main_~c~0#1|) (= (select |#valid| 0) 0) (<= 1 |ULTIMATE.start_main_~k~0#1|) (= (select |#valid| 2) 1) (= (select .cse0 0) 48) (= 10 (select |#length| 2)) (= (select .cse0 1) 0) (<= 1 |ULTIMATE.start_main_~z~0#1|))) [2023-12-02 15:36:41,903 INFO L899 garLoopResultBuilder]: For program point L50-1(line 50) no Hoare annotation was computed. [2023-12-02 15:36:41,903 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-02 15:36:41,903 INFO L895 garLoopResultBuilder]: At program point L36-2(lines 36 46) the Hoare annotation is: (let ((.cse12 (select |#memory_int| 1))) (let ((.cse0 (= (select |#length| 3) 12)) (.cse1 (<= 1 |#StackHeapBarrier|)) (.cse2 (<= |ULTIMATE.start_main_~z~0#1| 2)) (.cse3 (= 2 (select |#length| 1))) (.cse4 (= (select |#valid| 3) 1)) (.cse5 (= (select |#valid| 1) 1)) (.cse6 (= (select |#valid| 0) 0)) (.cse7 (= (select |#valid| 2) 1)) (.cse8 (= (select .cse12 0) 48)) (.cse9 (= 10 (select |#length| 2))) (.cse10 (= (select .cse12 1) 0)) (.cse11 (<= 1 |ULTIMATE.start_main_~z~0#1|))) (or (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_main_~y~0#1| (* |ULTIMATE.start_main_~z~0#1| |ULTIMATE.start_main_~z~0#1|)) .cse3 .cse4 (<= |ULTIMATE.start_main_~c~0#1| 2) .cse5 (= |ULTIMATE.start_main_~x~0#1| (+ |ULTIMATE.start_main_~z~0#1| 1)) (<= |ULTIMATE.start_main_~k~0#1| |ULTIMATE.start_main_~c~0#1|) .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 (= 2 |ULTIMATE.start_main_~k~0#1|)) (and (= |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~z~0#1|) .cse0 .cse1 (<= |ULTIMATE.start_main_~k~0#1| 2) (= |ULTIMATE.start_main_~c~0#1| 1) .cse2 .cse3 .cse4 (= |ULTIMATE.start_main_~x~0#1| 1) .cse5 .cse6 (<= 1 |ULTIMATE.start_main_~k~0#1|) .cse7 .cse8 .cse9 .cse10 .cse11)))) [2023-12-02 15:36:41,904 INFO L899 garLoopResultBuilder]: For program point L36-3(lines 36 46) no Hoare annotation was computed. [2023-12-02 15:36:41,904 INFO L899 garLoopResultBuilder]: For program point L30(line 30) no Hoare annotation was computed. [2023-12-02 15:36:41,904 INFO L895 garLoopResultBuilder]: At program point L28(line 28) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (= (select |#length| 3) 12) (<= 1 |#StackHeapBarrier|) (<= 0 (+ |ULTIMATE.start_main_~k~0#1| 2147483648)) (<= |ULTIMATE.start_main_~z~0#1| 2) (= 2 (select |#length| 1)) (<= |ULTIMATE.start_main_~k~0#1| 2147483647) (= (select |#valid| 3) 1) (= (select |#valid| 1) 1) (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) (= (select .cse0 0) 48) (= 10 (select |#length| 2)) (= (select .cse0 1) 0) (<= 0 |ULTIMATE.start_main_~z~0#1|))) [2023-12-02 15:36:41,905 INFO L895 garLoopResultBuilder]: At program point L28-1(line 28) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (<= 0 |ULTIMATE.start_main_~k~0#1|) (= (select |#length| 3) 12) (<= 1 |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~k~0#1| 2) (<= |ULTIMATE.start_main_~z~0#1| 2) (= 2 (select |#length| 1)) (= (select |#valid| 3) 1) (= (select |#valid| 1) 1) (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) (= (select .cse0 0) 48) (= 10 (select |#length| 2)) (= (select .cse0 1) 0) (<= 0 |ULTIMATE.start_main_~z~0#1|))) [2023-12-02 15:36:41,905 INFO L895 garLoopResultBuilder]: At program point L26(line 26) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (= (select |#length| 3) 12) (<= 1 |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~z~0#1| 2147483647) (<= 0 (+ |ULTIMATE.start_main_~z~0#1| 2147483648)) (= 2 (select |#length| 1)) (= (select |#valid| 3) 1) (= (select |#valid| 1) 1) (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) (= (select .cse0 0) 48) (= 10 (select |#length| 2)) (= (select .cse0 1) 0))) [2023-12-02 15:36:41,905 INFO L899 garLoopResultBuilder]: For program point L26-1(line 26) no Hoare annotation was computed. [2023-12-02 15:36:41,906 INFO L895 garLoopResultBuilder]: At program point L37(line 37) the Hoare annotation is: (let ((.cse12 (select |#memory_int| 1))) (let ((.cse0 (= (select |#length| 3) 12)) (.cse1 (<= 1 |#StackHeapBarrier|)) (.cse2 (<= |ULTIMATE.start_main_~z~0#1| 2)) (.cse3 (= 2 (select |#length| 1))) (.cse4 (= (select |#valid| 3) 1)) (.cse5 (= (select |#valid| 1) 1)) (.cse6 (= (select |#valid| 0) 0)) (.cse7 (= (select |#valid| 2) 1)) (.cse8 (= (select .cse12 0) 48)) (.cse9 (= 10 (select |#length| 2))) (.cse10 (= (select .cse12 1) 0)) (.cse11 (<= 1 |ULTIMATE.start_main_~z~0#1|))) (or (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_main_~y~0#1| (* |ULTIMATE.start_main_~z~0#1| |ULTIMATE.start_main_~z~0#1|)) .cse3 .cse4 (<= |ULTIMATE.start_main_~c~0#1| 2) .cse5 (= |ULTIMATE.start_main_~x~0#1| (+ |ULTIMATE.start_main_~z~0#1| 1)) (<= |ULTIMATE.start_main_~k~0#1| |ULTIMATE.start_main_~c~0#1|) .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 (= 2 |ULTIMATE.start_main_~k~0#1|)) (and (= |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~z~0#1|) .cse0 .cse1 (<= |ULTIMATE.start_main_~k~0#1| 2) (= |ULTIMATE.start_main_~c~0#1| 1) .cse2 .cse3 .cse4 (= |ULTIMATE.start_main_~x~0#1| 1) .cse5 .cse6 (<= 1 |ULTIMATE.start_main_~k~0#1|) .cse7 .cse8 .cse9 .cse10 .cse11)))) [2023-12-02 15:36:41,906 INFO L899 garLoopResultBuilder]: For program point L37-1(lines 36 46) no Hoare annotation was computed. [2023-12-02 15:36:41,906 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 12 14) the Hoare annotation is: true [2023-12-02 15:36:41,906 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 12 14) no Hoare annotation was computed. [2023-12-02 15:36:41,907 INFO L899 garLoopResultBuilder]: For program point L17(lines 17 18) no Hoare annotation was computed. [2023-12-02 15:36:41,907 INFO L899 garLoopResultBuilder]: For program point L16(lines 16 19) no Hoare annotation was computed. [2023-12-02 15:36:41,907 INFO L899 garLoopResultBuilder]: For program point L16-2(lines 15 21) no Hoare annotation was computed. [2023-12-02 15:36:41,907 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 15 21) no Hoare annotation was computed. [2023-12-02 15:36:41,907 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 15 21) the Hoare annotation is: true [2023-12-02 15:36:41,907 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 18) no Hoare annotation was computed. [2023-12-02 15:36:41,911 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-12-02 15:36:41,913 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 15:36:41,925 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[3] could not be translated [2023-12-02 15:36:41,928 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[1] could not be translated [2023-12-02 15:36:41,928 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[3] could not be translated [2023-12-02 15:36:41,929 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[1] could not be translated [2023-12-02 15:36:41,929 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[0] could not be translated [2023-12-02 15:36:41,929 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[2] could not be translated [2023-12-02 15:36:41,930 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][0] could not be translated [2023-12-02 15:36:41,930 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[2] could not be translated [2023-12-02 15:36:41,930 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][1] could not be translated [2023-12-02 15:36:41,930 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[3] could not be translated [2023-12-02 15:36:41,931 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[1] could not be translated [2023-12-02 15:36:41,931 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[3] could not be translated [2023-12-02 15:36:41,931 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[1] could not be translated [2023-12-02 15:36:41,931 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[0] could not be translated [2023-12-02 15:36:41,932 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[2] could not be translated [2023-12-02 15:36:41,932 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][0] could not be translated [2023-12-02 15:36:41,932 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[2] could not be translated [2023-12-02 15:36:41,932 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][1] could not be translated [2023-12-02 15:36:41,933 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 03:36:41 BoogieIcfgContainer [2023-12-02 15:36:41,933 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 15:36:41,934 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 15:36:41,934 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 15:36:41,934 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 15:36:41,935 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:36:33" (3/4) ... [2023-12-02 15:36:41,937 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 15:36:41,940 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-12-02 15:36:41,940 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-12-02 15:36:41,944 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2023-12-02 15:36:41,944 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-12-02 15:36:41,944 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-02 15:36:41,945 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 15:36:42,023 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b73440e-68c6-4b01-a10a-5ac254d49228/bin/utaipan-verify-nQ1chXbOIh/witness.graphml [2023-12-02 15:36:42,024 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b73440e-68c6-4b01-a10a-5ac254d49228/bin/utaipan-verify-nQ1chXbOIh/witness.yml [2023-12-02 15:36:42,024 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 15:36:42,024 INFO L158 Benchmark]: Toolchain (without parser) took 9434.61ms. Allocated memory was 192.9MB in the beginning and 281.0MB in the end (delta: 88.1MB). Free memory was 163.4MB in the beginning and 90.5MB in the end (delta: 72.9MB). Peak memory consumption was 160.8MB. Max. memory is 16.1GB. [2023-12-02 15:36:42,025 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 119.5MB. Free memory is still 93.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 15:36:42,025 INFO L158 Benchmark]: CACSL2BoogieTranslator took 204.82ms. Allocated memory is still 192.9MB. Free memory was 163.4MB in the beginning and 152.7MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 15:36:42,025 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.67ms. Allocated memory is still 192.9MB. Free memory was 152.7MB in the beginning and 151.8MB in the end (delta: 890.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 15:36:42,025 INFO L158 Benchmark]: Boogie Preprocessor took 20.63ms. Allocated memory is still 192.9MB. Free memory was 151.8MB in the beginning and 150.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 15:36:42,026 INFO L158 Benchmark]: RCFGBuilder took 287.51ms. Allocated memory is still 192.9MB. Free memory was 150.8MB in the beginning and 159.8MB in the end (delta: -9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-12-02 15:36:42,026 INFO L158 Benchmark]: TraceAbstraction took 8792.16ms. Allocated memory was 192.9MB in the beginning and 281.0MB in the end (delta: 88.1MB). Free memory was 158.8MB in the beginning and 95.7MB in the end (delta: 63.1MB). Peak memory consumption was 153.2MB. Max. memory is 16.1GB. [2023-12-02 15:36:42,026 INFO L158 Benchmark]: Witness Printer took 89.98ms. Allocated memory is still 281.0MB. Free memory was 95.7MB in the beginning and 90.5MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-02 15:36:42,028 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 119.5MB. Free memory is still 93.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 204.82ms. Allocated memory is still 192.9MB. Free memory was 163.4MB in the beginning and 152.7MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.67ms. Allocated memory is still 192.9MB. Free memory was 152.7MB in the beginning and 151.8MB in the end (delta: 890.1kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 20.63ms. Allocated memory is still 192.9MB. Free memory was 151.8MB in the beginning and 150.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 287.51ms. Allocated memory is still 192.9MB. Free memory was 150.8MB in the beginning and 159.8MB in the end (delta: -9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 8792.16ms. Allocated memory was 192.9MB in the beginning and 281.0MB in the end (delta: 88.1MB). Free memory was 158.8MB in the beginning and 95.7MB in the end (delta: 63.1MB). Peak memory consumption was 153.2MB. Max. memory is 16.1GB. * Witness Printer took 89.98ms. Allocated memory is still 281.0MB. Free memory was 95.7MB in the beginning and 90.5MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[3] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[3] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[2] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[2] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[3] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[3] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[2] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[2] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][1] could not be translated * 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: 18]: 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, 22 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.7s, OverallIterations: 3, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 26 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 23 mSDsluCounter, 129 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 89 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 253 IncrementalHoareTripleChecker+Invalid, 261 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 40 mSDtfsCounter, 253 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 218 GetRequests, 154 SyntacticMatches, 7 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 2 DeprecatedPredicates, 354 ImplicationChecksByTransitivity, 3.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=29occurred in iteration=2, InterpolantAutomatonStates: 36, 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: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 19 PreInvPairs, 25 NumberOfFragments, 668 HoareAnnotationTreeSize, 19 FomulaSimplifications, 770 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 2098 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 81 NumberOfCodeBlocks, 81 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 156 ConstructedInterpolants, 2 QuantifiedInterpolants, 436 SizeOfPredicates, 13 NumberOfNonLiveVariables, 260 ConjunctsInSsa, 58 ConjunctsInUnsatCore, 6 InterpolantComputations, 1 PerfectInterpolantSequences, 90/98 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: OVERALL_TIME: 2.2s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 46, DAG_INTERPRETER_EARLY_EXITS: 2, TOOLS_POST_APPLICATIONS: 34, TOOLS_POST_TIME: 0.6s, TOOLS_POST_CALL_APPLICATIONS: 36, TOOLS_POST_CALL_TIME: 0.7s, TOOLS_POST_RETURN_APPLICATIONS: 24, TOOLS_POST_RETURN_TIME: 0.4s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 94, TOOLS_QUANTIFIERELIM_TIME: 1.6s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.1s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 125, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 38, DOMAIN_JOIN_TIME: 0.4s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME: 0.0s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 46, DOMAIN_ISBOTTOM_TIME: 0.1s, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME: 0.3s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 0.3s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 24, CALL_SUMMARIZER_CACHE_MISSES: 4, CALL_SUMMARIZER_OVERALL_TIME: 0.0s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, PROCEDURE_GRAPH_BUILDER_TIME: 0.0s, PATH_EXPR_TIME: 0.0s, REGEX_TO_DAG_TIME: 0.0s, DAG_COMPRESSION_TIME: 0.0s, DAG_COMPRESSION_PROCESSED_NODES: 476, DAG_COMPRESSION_RETAINED_NODES: 126, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 36]: Loop Invariant Derived loop invariant: ((((((((z <= 2) && (y == (z * z))) && (c <= 2)) && (x == (z + 1))) && (k <= c)) && (1 <= z)) && (2 == k)) || (((((((y == z) && (k <= 2)) && (c == 1)) && (z <= 2)) && (x == 1)) && (1 <= k)) && (1 <= z))) RESULT: Ultimate proved your program to be correct! [2023-12-02 15:36:42,050 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b73440e-68c6-4b01-a10a-5ac254d49228/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE