./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_Triplicated.1.ufo.UNBOUNDED.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a14a3a-231f-4e17-bb67-cada126815e4/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a14a3a-231f-4e17-bb67-cada126815e4/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a14a3a-231f-4e17-bb67-cada126815e4/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a14a3a-231f-4e17-bb67-cada126815e4/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_Triplicated.1.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a14a3a-231f-4e17-bb67-cada126815e4/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a14a3a-231f-4e17-bb67-cada126815e4/bin/utaipan-verify-mE87zJ7Ire --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 7f4008cf19548475d4a1b90b2fc9651e21c073e156065e130bea6b81023185c5 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:23:14,752 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:23:14,846 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a14a3a-231f-4e17-bb67-cada126815e4/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:23:14,852 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:23:14,853 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:23:14,878 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:23:14,878 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:23:14,879 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:23:14,880 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:23:14,881 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:23:14,881 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:23:14,882 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:23:14,883 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:23:14,883 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:23:14,884 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:23:14,884 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:23:14,885 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:23:14,885 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:23:14,886 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:23:14,886 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:23:14,887 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:23:14,888 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:23:14,888 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:23:14,889 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:23:14,889 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:23:14,890 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:23:14,890 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:23:14,891 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:23:14,891 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:23:14,892 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:23:14,892 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:23:14,892 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:23:14,893 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:23:14,893 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:23:14,894 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:23:14,894 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:23:14,895 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:23:14,895 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:23:14,896 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:23:14,896 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:23:14,897 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:23:14,898 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:23:14,898 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:23:14,898 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:23:14,899 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:23:14,899 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:23:14,899 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:23:14,899 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_95a14a3a-231f-4e17-bb67-cada126815e4/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a14a3a-231f-4e17-bb67-cada126815e4/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7f4008cf19548475d4a1b90b2fc9651e21c073e156065e130bea6b81023185c5 [2023-11-23 21:23:15,140 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:23:15,173 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:23:15,176 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:23:15,178 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:23:15,179 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:23:15,181 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a14a3a-231f-4e17-bb67-cada126815e4/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_Triplicated.1.ufo.UNBOUNDED.pals.c [2023-11-23 21:23:18,412 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:23:18,704 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:23:18,705 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a14a3a-231f-4e17-bb67-cada126815e4/sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_Triplicated.1.ufo.UNBOUNDED.pals.c [2023-11-23 21:23:18,717 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a14a3a-231f-4e17-bb67-cada126815e4/bin/utaipan-verify-mE87zJ7Ire/data/47bc25424/b021c16134bb447aa204af7855f54cb4/FLAG6fc594d21 [2023-11-23 21:23:18,733 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a14a3a-231f-4e17-bb67-cada126815e4/bin/utaipan-verify-mE87zJ7Ire/data/47bc25424/b021c16134bb447aa204af7855f54cb4 [2023-11-23 21:23:18,736 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:23:18,737 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:23:18,739 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:23:18,739 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:23:18,744 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:23:18,745 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:23:18" (1/1) ... [2023-11-23 21:23:18,746 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b91f335 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:18, skipping insertion in model container [2023-11-23 21:23:18,747 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:23:18" (1/1) ... [2023-11-23 21:23:18,804 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:23:19,052 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_95a14a3a-231f-4e17-bb67-cada126815e4/sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_Triplicated.1.ufo.UNBOUNDED.pals.c[12020,12033] [2023-11-23 21:23:19,058 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:23:19,073 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:23:19,139 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_95a14a3a-231f-4e17-bb67-cada126815e4/sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_Triplicated.1.ufo.UNBOUNDED.pals.c[12020,12033] [2023-11-23 21:23:19,142 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:23:19,160 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:23:19,169 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:19 WrapperNode [2023-11-23 21:23:19,170 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:23:19,171 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:23:19,171 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:23:19,171 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:23:19,178 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:19" (1/1) ... [2023-11-23 21:23:19,191 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:19" (1/1) ... [2023-11-23 21:23:19,240 INFO L138 Inliner]: procedures = 28, calls = 51, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 404 [2023-11-23 21:23:19,241 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:23:19,242 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:23:19,242 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:23:19,242 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:23:19,252 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:19" (1/1) ... [2023-11-23 21:23:19,252 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:19" (1/1) ... [2023-11-23 21:23:19,257 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:19" (1/1) ... [2023-11-23 21:23:19,258 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:19" (1/1) ... [2023-11-23 21:23:19,271 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:19" (1/1) ... [2023-11-23 21:23:19,278 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:19" (1/1) ... [2023-11-23 21:23:19,282 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:19" (1/1) ... [2023-11-23 21:23:19,285 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:19" (1/1) ... [2023-11-23 21:23:19,304 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:23:19,305 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:23:19,305 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:23:19,305 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:23:19,306 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:19" (1/1) ... [2023-11-23 21:23:19,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:23:19,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a14a3a-231f-4e17-bb67-cada126815e4/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:23:19,352 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a14a3a-231f-4e17-bb67-cada126815e4/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:23:19,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a14a3a-231f-4e17-bb67-cada126815e4/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:23:19,388 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:23:19,389 INFO L130 BoogieDeclarations]: Found specification of procedure write_history_bool [2023-11-23 21:23:19,389 INFO L138 BoogieDeclarations]: Found implementation of procedure write_history_bool [2023-11-23 21:23:19,389 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2023-11-23 21:23:19,389 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2023-11-23 21:23:19,389 INFO L130 BoogieDeclarations]: Found specification of procedure read_history_int8 [2023-11-23 21:23:19,390 INFO L138 BoogieDeclarations]: Found implementation of procedure read_history_int8 [2023-11-23 21:23:19,390 INFO L130 BoogieDeclarations]: Found specification of procedure read_history_bool [2023-11-23 21:23:19,390 INFO L138 BoogieDeclarations]: Found implementation of procedure read_history_bool [2023-11-23 21:23:19,390 INFO L130 BoogieDeclarations]: Found specification of procedure add_history_type [2023-11-23 21:23:19,390 INFO L138 BoogieDeclarations]: Found implementation of procedure add_history_type [2023-11-23 21:23:19,391 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:23:19,391 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:23:19,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:23:19,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:23:19,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:23:19,505 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:23:19,508 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:23:20,146 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:23:20,296 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:23:20,296 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 21:23:20,298 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:23:20 BoogieIcfgContainer [2023-11-23 21:23:20,298 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:23:20,300 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:23:20,301 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:23:20,304 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:23:20,304 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:23:18" (1/3) ... [2023-11-23 21:23:20,305 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@aaf6d38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:23:20, skipping insertion in model container [2023-11-23 21:23:20,305 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:19" (2/3) ... [2023-11-23 21:23:20,306 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@aaf6d38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:23:20, skipping insertion in model container [2023-11-23 21:23:20,306 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:23:20" (3/3) ... [2023-11-23 21:23:20,307 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_STARTPALS_Triplicated.1.ufo.UNBOUNDED.pals.c [2023-11-23 21:23:20,329 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:23:20,330 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:23:20,395 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:23:20,402 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;@c337fa3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:23:20,402 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:23:20,407 INFO L276 IsEmpty]: Start isEmpty. Operand has 144 states, 99 states have (on average 1.494949494949495) internal successors, (148), 104 states have internal predecessors, (148), 37 states have call successors, (37), 6 states have call predecessors, (37), 6 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2023-11-23 21:23:20,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 21:23:20,417 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:23:20,417 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:23:20,418 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:23:20,423 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:23:20,423 INFO L85 PathProgramCache]: Analyzing trace with hash -1165195423, now seen corresponding path program 1 times [2023-11-23 21:23:20,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:23:20,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052948681] [2023-11-23 21:23:20,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:23:20,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:23:20,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:23:20,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:23:20,779 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:23:20,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052948681] [2023-11-23 21:23:20,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1052948681] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:23:20,780 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:23:20,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 21:23:20,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129290871] [2023-11-23 21:23:20,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:23:20,790 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:23:20,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:23:20,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:23:20,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:23:20,842 INFO L87 Difference]: Start difference. First operand has 144 states, 99 states have (on average 1.494949494949495) internal successors, (148), 104 states have internal predecessors, (148), 37 states have call successors, (37), 6 states have call predecessors, (37), 6 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 2 states have call successors, (3), 3 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:23:21,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:23:21,092 INFO L93 Difference]: Finished difference Result 291 states and 484 transitions. [2023-11-23 21:23:21,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 21:23:21,095 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 2 states have call successors, (3), 3 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2023-11-23 21:23:21,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:23:21,109 INFO L225 Difference]: With dead ends: 291 [2023-11-23 21:23:21,110 INFO L226 Difference]: Without dead ends: 149 [2023-11-23 21:23:21,116 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:23:21,121 INFO L413 NwaCegarLoop]: 199 mSDtfsCounter, 6 mSDsluCounter, 386 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 585 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:23:21,121 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 585 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 21:23:21,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2023-11-23 21:23:21,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 147. [2023-11-23 21:23:21,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 102 states have (on average 1.4607843137254901) internal successors, (149), 106 states have internal predecessors, (149), 37 states have call successors, (37), 7 states have call predecessors, (37), 7 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2023-11-23 21:23:21,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 223 transitions. [2023-11-23 21:23:21,195 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 223 transitions. Word has length 14 [2023-11-23 21:23:21,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:23:21,195 INFO L495 AbstractCegarLoop]: Abstraction has 147 states and 223 transitions. [2023-11-23 21:23:21,196 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 2 states have call successors, (3), 3 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:23:21,196 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 223 transitions. [2023-11-23 21:23:21,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 21:23:21,198 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:23:21,199 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:23:21,199 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:23:21,199 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:23:21,200 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:23:21,201 INFO L85 PathProgramCache]: Analyzing trace with hash 579778909, now seen corresponding path program 1 times [2023-11-23 21:23:21,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:23:21,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171172726] [2023-11-23 21:23:21,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:23:21,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:23:21,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:23:21,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:23:21,305 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:23:21,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171172726] [2023-11-23 21:23:21,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171172726] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:23:21,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:23:21,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 21:23:21,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526956951] [2023-11-23 21:23:21,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:23:21,308 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:23:21,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:23:21,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:23:21,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:23:21,310 INFO L87 Difference]: Start difference. First operand 147 states and 223 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:23:21,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:23:21,449 INFO L93 Difference]: Finished difference Result 306 states and 468 transitions. [2023-11-23 21:23:21,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 21:23:21,450 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2023-11-23 21:23:21,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:23:21,458 INFO L225 Difference]: With dead ends: 306 [2023-11-23 21:23:21,459 INFO L226 Difference]: Without dead ends: 161 [2023-11-23 21:23:21,465 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:23:21,468 INFO L413 NwaCegarLoop]: 202 mSDtfsCounter, 22 mSDsluCounter, 393 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 595 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:23:21,470 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 595 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 21:23:21,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2023-11-23 21:23:21,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 159. [2023-11-23 21:23:21,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 112 states have (on average 1.4464285714285714) internal successors, (162), 116 states have internal predecessors, (162), 38 states have call successors, (38), 8 states have call predecessors, (38), 8 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2023-11-23 21:23:21,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 238 transitions. [2023-11-23 21:23:21,503 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 238 transitions. Word has length 15 [2023-11-23 21:23:21,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:23:21,503 INFO L495 AbstractCegarLoop]: Abstraction has 159 states and 238 transitions. [2023-11-23 21:23:21,504 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:23:21,504 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 238 transitions. [2023-11-23 21:23:21,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 21:23:21,506 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:23:21,506 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:23:21,507 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 21:23:21,507 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:23:21,507 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:23:21,508 INFO L85 PathProgramCache]: Analyzing trace with hash 1136332164, now seen corresponding path program 1 times [2023-11-23 21:23:21,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:23:21,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305949958] [2023-11-23 21:23:21,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:23:21,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:23:21,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:23:21,570 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:23:21,571 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:23:21,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305949958] [2023-11-23 21:23:21,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305949958] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:23:21,572 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:23:21,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:23:21,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054235768] [2023-11-23 21:23:21,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:23:21,573 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:23:21,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:23:21,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:23:21,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:23:21,576 INFO L87 Difference]: Start difference. First operand 159 states and 238 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-23 21:23:21,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:23:21,652 INFO L93 Difference]: Finished difference Result 338 states and 514 transitions. [2023-11-23 21:23:21,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:23:21,654 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 22 [2023-11-23 21:23:21,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:23:21,657 INFO L225 Difference]: With dead ends: 338 [2023-11-23 21:23:21,657 INFO L226 Difference]: Without dead ends: 188 [2023-11-23 21:23:21,659 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:23:21,660 INFO L413 NwaCegarLoop]: 202 mSDtfsCounter, 22 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 403 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:23:21,661 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 403 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 21:23:21,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2023-11-23 21:23:21,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 161. [2023-11-23 21:23:21,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 114 states have (on average 1.4385964912280702) internal successors, (164), 118 states have internal predecessors, (164), 38 states have call successors, (38), 8 states have call predecessors, (38), 8 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2023-11-23 21:23:21,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 240 transitions. [2023-11-23 21:23:21,684 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 240 transitions. Word has length 22 [2023-11-23 21:23:21,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:23:21,685 INFO L495 AbstractCegarLoop]: Abstraction has 161 states and 240 transitions. [2023-11-23 21:23:21,685 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-23 21:23:21,685 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 240 transitions. [2023-11-23 21:23:21,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-23 21:23:21,687 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:23:21,688 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:23:21,688 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-23 21:23:21,688 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:23:21,689 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:23:21,689 INFO L85 PathProgramCache]: Analyzing trace with hash 469068768, now seen corresponding path program 1 times [2023-11-23 21:23:21,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:23:21,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835110641] [2023-11-23 21:23:21,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:23:21,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:23:21,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:23:21,839 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:23:21,839 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:23:21,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835110641] [2023-11-23 21:23:21,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1835110641] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:23:21,840 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:23:21,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 21:23:21,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770482672] [2023-11-23 21:23:21,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:23:21,842 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 21:23:21,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:23:21,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 21:23:21,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:23:21,843 INFO L87 Difference]: Start difference. First operand 161 states and 240 transitions. Second operand has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-23 21:23:21,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:23:21,943 INFO L93 Difference]: Finished difference Result 315 states and 472 transitions. [2023-11-23 21:23:21,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 21:23:21,943 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 30 [2023-11-23 21:23:21,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:23:21,947 INFO L225 Difference]: With dead ends: 315 [2023-11-23 21:23:21,947 INFO L226 Difference]: Without dead ends: 168 [2023-11-23 21:23:21,948 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:23:21,953 INFO L413 NwaCegarLoop]: 202 mSDtfsCounter, 1 mSDsluCounter, 599 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 801 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:23:21,954 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 801 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 21:23:21,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2023-11-23 21:23:21,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 165. [2023-11-23 21:23:21,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 117 states have (on average 1.4273504273504274) internal successors, (167), 121 states have internal predecessors, (167), 38 states have call successors, (38), 8 states have call predecessors, (38), 9 states have return successors, (39), 39 states have call predecessors, (39), 38 states have call successors, (39) [2023-11-23 21:23:21,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 244 transitions. [2023-11-23 21:23:21,971 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 244 transitions. Word has length 30 [2023-11-23 21:23:21,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:23:21,972 INFO L495 AbstractCegarLoop]: Abstraction has 165 states and 244 transitions. [2023-11-23 21:23:21,972 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-23 21:23:21,972 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 244 transitions. [2023-11-23 21:23:21,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 21:23:21,974 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:23:21,974 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:23:21,974 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-23 21:23:21,974 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:23:21,975 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:23:21,975 INFO L85 PathProgramCache]: Analyzing trace with hash -1665052496, now seen corresponding path program 1 times [2023-11-23 21:23:21,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:23:21,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767868062] [2023-11-23 21:23:21,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:23:21,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:23:21,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:23:22,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:23:22,116 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:23:22,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767868062] [2023-11-23 21:23:22,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [767868062] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:23:22,117 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:23:22,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 21:23:22,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221618142] [2023-11-23 21:23:22,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:23:22,119 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 21:23:22,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:23:22,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 21:23:22,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:23:22,121 INFO L87 Difference]: Start difference. First operand 165 states and 244 transitions. Second operand has 5 states, 3 states have (on average 7.666666666666667) internal successors, (23), 5 states have internal predecessors, (23), 3 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-23 21:23:22,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:23:22,241 INFO L93 Difference]: Finished difference Result 279 states and 415 transitions. [2023-11-23 21:23:22,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 21:23:22,241 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 7.666666666666667) internal successors, (23), 5 states have internal predecessors, (23), 3 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 31 [2023-11-23 21:23:22,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:23:22,244 INFO L225 Difference]: With dead ends: 279 [2023-11-23 21:23:22,244 INFO L226 Difference]: Without dead ends: 161 [2023-11-23 21:23:22,245 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-23 21:23:22,246 INFO L413 NwaCegarLoop]: 197 mSDtfsCounter, 81 mSDsluCounter, 490 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 687 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:23:22,247 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 687 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 21:23:22,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2023-11-23 21:23:22,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2023-11-23 21:23:22,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 114 states have (on average 1.4035087719298245) internal successors, (160), 118 states have internal predecessors, (160), 38 states have call successors, (38), 8 states have call predecessors, (38), 8 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2023-11-23 21:23:22,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 236 transitions. [2023-11-23 21:23:22,279 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 236 transitions. Word has length 31 [2023-11-23 21:23:22,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:23:22,280 INFO L495 AbstractCegarLoop]: Abstraction has 161 states and 236 transitions. [2023-11-23 21:23:22,280 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 7.666666666666667) internal successors, (23), 5 states have internal predecessors, (23), 3 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-23 21:23:22,280 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 236 transitions. [2023-11-23 21:23:22,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 21:23:22,286 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:23:22,286 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:23:22,287 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-23 21:23:22,287 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:23:22,288 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:23:22,288 INFO L85 PathProgramCache]: Analyzing trace with hash -675274627, now seen corresponding path program 1 times [2023-11-23 21:23:22,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:23:22,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522956185] [2023-11-23 21:23:22,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:23:22,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:23:22,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:23:22,376 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:23:22,376 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:23:22,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522956185] [2023-11-23 21:23:22,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1522956185] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 21:23:22,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [71316329] [2023-11-23 21:23:22,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:23:22,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:23:22,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a14a3a-231f-4e17-bb67-cada126815e4/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:23:22,387 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a14a3a-231f-4e17-bb67-cada126815e4/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:23:22,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a14a3a-231f-4e17-bb67-cada126815e4/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 21:23:22,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:23:22,498 INFO L262 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 21:23:22,504 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:23:22,605 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:23:22,605 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:23:22,644 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:23:22,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [71316329] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:23:22,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [239096440] [2023-11-23 21:23:22,666 INFO L159 IcfgInterpreter]: Started Sifa with 29 locations of interest [2023-11-23 21:23:22,666 INFO L166 IcfgInterpreter]: Building call graph [2023-11-23 21:23:22,670 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-23 21:23:22,675 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-23 21:23:22,676 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-11-23 21:23:23,645 INFO L197 IcfgInterpreter]: Interpreting procedure add_history_type with input of size 88 for LOIs [2023-11-23 21:23:26,477 INFO L197 IcfgInterpreter]: Interpreting procedure read_history_bool with input of size 56 for LOIs [2023-11-23 21:23:26,509 INFO L180 IcfgInterpreter]: Interpretation finished [2023-11-23 21:23:29,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [239096440] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:23:29,318 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2023-11-23 21:23:29,318 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [4, 4, 4] total 21 [2023-11-23 21:23:29,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493994144] [2023-11-23 21:23:29,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:23:29,319 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-11-23 21:23:29,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:23:29,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-11-23 21:23:29,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=354, Unknown=0, NotChecked=0, Total=420 [2023-11-23 21:23:29,320 INFO L87 Difference]: Start difference. First operand 161 states and 236 transitions. Second operand has 17 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 12 states have internal predecessors, (23), 4 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-23 21:23:32,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:23:32,996 INFO L93 Difference]: Finished difference Result 339 states and 495 transitions. [2023-11-23 21:23:32,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-23 21:23:32,998 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 12 states have internal predecessors, (23), 4 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 32 [2023-11-23 21:23:32,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:23:33,000 INFO L225 Difference]: With dead ends: 339 [2023-11-23 21:23:33,000 INFO L226 Difference]: Without dead ends: 181 [2023-11-23 21:23:33,001 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 78 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 234 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=171, Invalid=821, Unknown=0, NotChecked=0, Total=992 [2023-11-23 21:23:33,002 INFO L413 NwaCegarLoop]: 186 mSDtfsCounter, 62 mSDsluCounter, 961 mSDsCounter, 0 mSdLazyCounter, 696 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 1147 SdHoareTripleChecker+Invalid, 710 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 696 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:23:33,002 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 1147 Invalid, 710 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 696 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-23 21:23:33,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2023-11-23 21:23:33,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 176. [2023-11-23 21:23:33,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 126 states have (on average 1.380952380952381) internal successors, (174), 130 states have internal predecessors, (174), 39 states have call successors, (39), 10 states have call predecessors, (39), 10 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2023-11-23 21:23:33,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 252 transitions. [2023-11-23 21:23:33,040 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 252 transitions. Word has length 32 [2023-11-23 21:23:33,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:23:33,041 INFO L495 AbstractCegarLoop]: Abstraction has 176 states and 252 transitions. [2023-11-23 21:23:33,041 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 12 states have internal predecessors, (23), 4 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-23 21:23:33,041 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 252 transitions. [2023-11-23 21:23:33,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 21:23:33,045 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:23:33,045 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:23:33,067 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a14a3a-231f-4e17-bb67-cada126815e4/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-23 21:23:33,259 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a14a3a-231f-4e17-bb67-cada126815e4/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:23:33,259 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:23:33,260 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:23:33,260 INFO L85 PathProgramCache]: Analyzing trace with hash -2125949714, now seen corresponding path program 1 times [2023-11-23 21:23:33,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:23:33,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568213993] [2023-11-23 21:23:33,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:23:33,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:23:33,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:23:33,341 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:23:33,341 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:23:33,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568213993] [2023-11-23 21:23:33,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1568213993] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 21:23:33,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1366707252] [2023-11-23 21:23:33,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:23:33,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:23:33,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a14a3a-231f-4e17-bb67-cada126815e4/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:23:33,343 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a14a3a-231f-4e17-bb67-cada126815e4/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:23:33,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a14a3a-231f-4e17-bb67-cada126815e4/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-23 21:23:33,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:23:33,419 INFO L262 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 21:23:33,421 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:23:33,443 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:23:33,443 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:23:33,477 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:23:33,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1366707252] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:23:33,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [621032739] [2023-11-23 21:23:33,481 INFO L159 IcfgInterpreter]: Started Sifa with 27 locations of interest [2023-11-23 21:23:33,481 INFO L166 IcfgInterpreter]: Building call graph [2023-11-23 21:23:33,482 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-23 21:23:33,482 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-23 21:23:33,482 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-11-23 21:23:33,959 INFO L197 IcfgInterpreter]: Interpreting procedure add_history_type with input of size 88 for LOIs [2023-11-23 21:23:36,013 INFO L197 IcfgInterpreter]: Interpreting procedure read_history_bool with input of size 59 for LOIs [2023-11-23 21:23:36,105 INFO L180 IcfgInterpreter]: Interpretation finished [2023-11-23 21:23:39,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [621032739] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:23:39,033 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2023-11-23 21:23:39,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [4, 4, 4] total 22 [2023-11-23 21:23:39,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260950876] [2023-11-23 21:23:39,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:23:39,034 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-11-23 21:23:39,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:23:39,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-11-23 21:23:39,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=390, Unknown=0, NotChecked=0, Total=462 [2023-11-23 21:23:39,035 INFO L87 Difference]: Start difference. First operand 176 states and 252 transitions. Second operand has 18 states, 16 states have (on average 1.375) internal successors, (22), 13 states have internal predecessors, (22), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-23 21:23:42,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:23:42,459 INFO L93 Difference]: Finished difference Result 343 states and 497 transitions. [2023-11-23 21:23:42,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-23 21:23:42,459 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 16 states have (on average 1.375) internal successors, (22), 13 states have internal predecessors, (22), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 32 [2023-11-23 21:23:42,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:23:42,461 INFO L225 Difference]: With dead ends: 343 [2023-11-23 21:23:42,461 INFO L226 Difference]: Without dead ends: 186 [2023-11-23 21:23:42,463 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 76 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 261 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=166, Invalid=826, Unknown=0, NotChecked=0, Total=992 [2023-11-23 21:23:42,463 INFO L413 NwaCegarLoop]: 184 mSDtfsCounter, 45 mSDsluCounter, 1206 mSDsCounter, 0 mSdLazyCounter, 875 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 1390 SdHoareTripleChecker+Invalid, 885 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 875 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-11-23 21:23:42,464 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 1390 Invalid, 885 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 875 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-11-23 21:23:42,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2023-11-23 21:23:42,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 181. [2023-11-23 21:23:42,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 130 states have (on average 1.3692307692307693) internal successors, (178), 134 states have internal predecessors, (178), 39 states have call successors, (39), 11 states have call predecessors, (39), 11 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2023-11-23 21:23:42,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 256 transitions. [2023-11-23 21:23:42,501 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 256 transitions. Word has length 32 [2023-11-23 21:23:42,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:23:42,503 INFO L495 AbstractCegarLoop]: Abstraction has 181 states and 256 transitions. [2023-11-23 21:23:42,504 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 16 states have (on average 1.375) internal successors, (22), 13 states have internal predecessors, (22), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-23 21:23:42,504 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 256 transitions. [2023-11-23 21:23:42,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-23 21:23:42,508 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:23:42,508 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:23:42,535 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a14a3a-231f-4e17-bb67-cada126815e4/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-23 21:23:42,729 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a14a3a-231f-4e17-bb67-cada126815e4/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:23:42,730 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:23:42,730 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:23:42,730 INFO L85 PathProgramCache]: Analyzing trace with hash 1998438327, now seen corresponding path program 1 times [2023-11-23 21:23:42,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:23:42,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686223025] [2023-11-23 21:23:42,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:23:42,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:23:42,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:23:42,816 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-23 21:23:42,816 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:23:42,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686223025] [2023-11-23 21:23:42,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686223025] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 21:23:42,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [898083946] [2023-11-23 21:23:42,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:23:42,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:23:42,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a14a3a-231f-4e17-bb67-cada126815e4/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:23:42,818 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a14a3a-231f-4e17-bb67-cada126815e4/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:23:42,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a14a3a-231f-4e17-bb67-cada126815e4/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-23 21:23:42,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:23:42,908 INFO L262 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 21:23:42,911 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:23:42,937 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 21:23:42,937 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:23:42,970 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-23 21:23:42,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [898083946] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:23:42,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1107098891] [2023-11-23 21:23:42,974 INFO L159 IcfgInterpreter]: Started Sifa with 36 locations of interest [2023-11-23 21:23:42,974 INFO L166 IcfgInterpreter]: Building call graph [2023-11-23 21:23:42,975 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-23 21:23:42,975 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-23 21:23:42,975 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-11-23 21:23:43,636 INFO L197 IcfgInterpreter]: Interpreting procedure add_history_type with input of size 88 for LOIs [2023-11-23 21:23:45,129 INFO L197 IcfgInterpreter]: Interpreting procedure read_history_bool with input of size 59 for LOIs [2023-11-23 21:23:45,318 INFO L180 IcfgInterpreter]: Interpretation finished [2023-11-23 21:23:49,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1107098891] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:23:49,090 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2023-11-23 21:23:49,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [4, 4, 4] total 24 [2023-11-23 21:23:49,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35972825] [2023-11-23 21:23:49,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:23:49,092 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-23 21:23:49,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:23:49,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-23 21:23:49,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=474, Unknown=0, NotChecked=0, Total=552 [2023-11-23 21:23:49,093 INFO L87 Difference]: Start difference. First operand 181 states and 256 transitions. Second operand has 20 states, 19 states have (on average 1.5789473684210527) internal successors, (30), 15 states have internal predecessors, (30), 5 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-23 21:23:52,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:23:52,352 INFO L93 Difference]: Finished difference Result 186 states and 262 transitions. [2023-11-23 21:23:52,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-11-23 21:23:52,352 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 1.5789473684210527) internal successors, (30), 15 states have internal predecessors, (30), 5 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 49 [2023-11-23 21:23:52,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:23:52,353 INFO L225 Difference]: With dead ends: 186 [2023-11-23 21:23:52,353 INFO L226 Difference]: Without dead ends: 0 [2023-11-23 21:23:52,355 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 124 SyntacticMatches, 3 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 353 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=186, Invalid=1074, Unknown=0, NotChecked=0, Total=1260 [2023-11-23 21:23:52,356 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 35 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 355 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 362 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 355 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-23 21:23:52,356 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 76 Invalid, 362 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 355 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-23 21:23:52,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-23 21:23:52,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-23 21:23:52,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:23:52,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-23 21:23:52,358 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 49 [2023-11-23 21:23:52,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:23:52,358 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-23 21:23:52,358 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 1.5789473684210527) internal successors, (30), 15 states have internal predecessors, (30), 5 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-23 21:23:52,358 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-23 21:23:52,359 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-23 21:23:52,361 INFO L805 garLoopResultBuilder]: Registering result SAFE for location assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:23:52,387 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a14a3a-231f-4e17-bb67-cada126815e4/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-23 21:23:52,583 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a14a3a-231f-4e17-bb67-cada126815e4/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:23:52,584 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-23 21:23:56,645 INFO L902 garLoopResultBuilder]: At program point L119(line 119) the Hoare annotation is: true [2023-11-23 21:23:56,645 INFO L899 garLoopResultBuilder]: For program point L119-1(line 119) no Hoare annotation was computed. [2023-11-23 21:23:56,646 INFO L899 garLoopResultBuilder]: For program point read_history_int8FINAL(lines 104 123) no Hoare annotation was computed. [2023-11-23 21:23:56,646 INFO L899 garLoopResultBuilder]: For program point L109(lines 109 120) no Hoare annotation was computed. [2023-11-23 21:23:56,646 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 104 123) the Hoare annotation is: true [2023-11-23 21:23:56,646 INFO L899 garLoopResultBuilder]: For program point read_history_int8EXIT(lines 104 123) no Hoare annotation was computed. [2023-11-23 21:23:56,646 INFO L895 garLoopResultBuilder]: At program point L159(line 159) the Hoare annotation is: (let ((.cse0 (< (+ ~votedValue_History_0~0 128) 0)) (.cse1 (not (= ~g3v_old~0 0))) (.cse2 (not (= ~g3v_new~0 0))) (.cse3 (not (= ~g1v_new~0 0))) (.cse4 (< (+ ~votedValue_History_1~0 128) 0)) (.cse5 (not (= ~g2v~0 0))) (.cse6 (< 127 ~VALUE2~0)) (.cse7 (not (= ~g2v_new~0 0))) (.cse8 (not (= ~g1v_old~0 0))) (.cse9 (< (+ ~VALUE3~0 128) 0)) (.cse10 (< (+ ~VALUE1~0 128) 0)) (.cse11 (not (= ~g3v~0 0))) (.cse12 (< 127 ~VALUE1~0)) (.cse13 (< 127 ~VALUE3~0)) (.cse14 (not (= ~g2v_old~0 0))) (.cse15 (not (= (+ ~nomsg~0 1) 0))) (.cse16 (< |#StackHeapBarrier| 1)) (.cse17 (< 127 ~votedValue_History_0~0)) (.cse18 (< (+ ~VALUE2~0 128) 0)) (.cse19 (< (+ ~votedValue_History_2~0 128) 0)) (.cse20 (not (= ~g1v~0 0))) (.cse21 (< 127 ~votedValue_History_2~0)) (.cse22 (< 127 ~votedValue_History_1~0)) (.cse23 (not (= |read_history_bool_#in~historyIndex| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 (not (= |read_history_bool_#in~history_id| 1))) (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 (not (= 0 |read_history_bool_#in~history_id|)) .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23))) [2023-11-23 21:23:56,646 INFO L899 garLoopResultBuilder]: For program point L159-1(line 159) no Hoare annotation was computed. [2023-11-23 21:23:56,646 INFO L899 garLoopResultBuilder]: For program point L149(lines 149 160) no Hoare annotation was computed. [2023-11-23 21:23:56,647 INFO L899 garLoopResultBuilder]: For program point read_history_boolFINAL(lines 124 163) no Hoare annotation was computed. [2023-11-23 21:23:56,647 INFO L899 garLoopResultBuilder]: For program point L139(lines 139 160) no Hoare annotation was computed. [2023-11-23 21:23:56,647 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 124 163) the Hoare annotation is: true [2023-11-23 21:23:56,647 INFO L899 garLoopResultBuilder]: For program point read_history_boolEXIT(lines 124 163) no Hoare annotation was computed. [2023-11-23 21:23:56,647 INFO L899 garLoopResultBuilder]: For program point L129(lines 129 160) no Hoare annotation was computed. [2023-11-23 21:23:56,647 INFO L899 garLoopResultBuilder]: For program point assertEXIT(lines 530 541) no Hoare annotation was computed. [2023-11-23 21:23:56,647 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 530 541) the Hoare annotation is: true [2023-11-23 21:23:56,647 INFO L899 garLoopResultBuilder]: For program point L537(line 537) no Hoare annotation was computed. [2023-11-23 21:23:56,647 INFO L899 garLoopResultBuilder]: For program point L535(lines 535 539) no Hoare annotation was computed. [2023-11-23 21:23:56,647 INFO L899 garLoopResultBuilder]: For program point assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 537) no Hoare annotation was computed. [2023-11-23 21:23:56,648 INFO L899 garLoopResultBuilder]: For program point L535-2(lines 530 541) no Hoare annotation was computed. [2023-11-23 21:23:56,648 INFO L899 garLoopResultBuilder]: For program point L217(lines 217 219) no Hoare annotation was computed. [2023-11-23 21:23:56,648 INFO L899 garLoopResultBuilder]: For program point L465(lines 465 472) no Hoare annotation was computed. [2023-11-23 21:23:56,648 INFO L899 garLoopResultBuilder]: For program point L267(lines 267 301) no Hoare annotation was computed. [2023-11-23 21:23:56,648 INFO L899 garLoopResultBuilder]: For program point L284(lines 284 294) no Hoare annotation was computed. [2023-11-23 21:23:56,648 INFO L895 garLoopResultBuilder]: At program point L268(line 268) the Hoare annotation is: false [2023-11-23 21:23:56,648 INFO L899 garLoopResultBuilder]: For program point L268-1(line 268) no Hoare annotation was computed. [2023-11-23 21:23:56,648 INFO L899 garLoopResultBuilder]: For program point L169(lines 169 175) no Hoare annotation was computed. [2023-11-23 21:23:56,648 INFO L899 garLoopResultBuilder]: For program point L285(lines 285 291) no Hoare annotation was computed. [2023-11-23 21:23:56,648 INFO L899 garLoopResultBuilder]: For program point L269(lines 269 300) no Hoare annotation was computed. [2023-11-23 21:23:56,649 INFO L899 garLoopResultBuilder]: For program point L286(lines 286 288) no Hoare annotation was computed. [2023-11-23 21:23:56,649 INFO L895 garLoopResultBuilder]: At program point L220(line 220) the Hoare annotation is: false [2023-11-23 21:23:56,649 INFO L899 garLoopResultBuilder]: For program point L220-1(line 220) no Hoare annotation was computed. [2023-11-23 21:23:56,649 INFO L899 garLoopResultBuilder]: For program point L468(lines 468 472) no Hoare annotation was computed. [2023-11-23 21:23:56,649 INFO L899 garLoopResultBuilder]: For program point L303(line 303) no Hoare annotation was computed. [2023-11-23 21:23:56,649 INFO L899 garLoopResultBuilder]: For program point L221(lines 221 223) no Hoare annotation was computed. [2023-11-23 21:23:56,649 INFO L899 garLoopResultBuilder]: For program point L304(lines 304 322) no Hoare annotation was computed. [2023-11-23 21:23:56,649 INFO L895 garLoopResultBuilder]: At program point L271(line 271) the Hoare annotation is: false [2023-11-23 21:23:56,649 INFO L895 garLoopResultBuilder]: At program point L304-1(lines 304 322) the Hoare annotation is: false [2023-11-23 21:23:56,649 INFO L899 garLoopResultBuilder]: For program point L271-1(line 271) no Hoare annotation was computed. [2023-11-23 21:23:56,650 INFO L895 garLoopResultBuilder]: At program point L503(line 503) the Hoare annotation is: (and (= |ULTIMATE.start_main_~i2~0#1| 0) (= |ULTIMATE.start_init_#res#1| 0)) [2023-11-23 21:23:56,650 INFO L899 garLoopResultBuilder]: For program point L503-1(line 503) no Hoare annotation was computed. [2023-11-23 21:23:56,650 INFO L895 garLoopResultBuilder]: At program point L305(line 305) the Hoare annotation is: false [2023-11-23 21:23:56,650 INFO L899 garLoopResultBuilder]: For program point L305-1(line 305) no Hoare annotation was computed. [2023-11-23 21:23:56,650 INFO L895 garLoopResultBuilder]: At program point L272-2(lines 272 274) the Hoare annotation is: false [2023-11-23 21:23:56,650 INFO L899 garLoopResultBuilder]: For program point L454(lines 454 472) no Hoare annotation was computed. [2023-11-23 21:23:56,650 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-23 21:23:56,650 INFO L895 garLoopResultBuilder]: At program point L471(line 471) the Hoare annotation is: false [2023-11-23 21:23:56,650 INFO L899 garLoopResultBuilder]: For program point L471-1(lines 444 472) no Hoare annotation was computed. [2023-11-23 21:23:56,650 INFO L899 garLoopResultBuilder]: For program point L306(lines 306 321) no Hoare annotation was computed. [2023-11-23 21:23:56,650 INFO L895 garLoopResultBuilder]: At program point L174(line 174) the Hoare annotation is: false [2023-11-23 21:23:56,651 INFO L899 garLoopResultBuilder]: For program point L174-1(lines 164 178) no Hoare annotation was computed. [2023-11-23 21:23:56,651 INFO L895 garLoopResultBuilder]: At program point L422-2(lines 416 426) the Hoare annotation is: false [2023-11-23 21:23:56,651 INFO L899 garLoopResultBuilder]: For program point L323(line 323) no Hoare annotation was computed. [2023-11-23 21:23:56,651 INFO L895 garLoopResultBuilder]: At program point L224(line 224) the Hoare annotation is: false [2023-11-23 21:23:56,651 INFO L899 garLoopResultBuilder]: For program point L224-1(line 224) no Hoare annotation was computed. [2023-11-23 21:23:56,651 INFO L895 garLoopResultBuilder]: At program point L307(line 307) the Hoare annotation is: false [2023-11-23 21:23:56,651 INFO L899 garLoopResultBuilder]: For program point L307-1(line 307) no Hoare annotation was computed. [2023-11-23 21:23:56,651 INFO L899 garLoopResultBuilder]: For program point L324(lines 324 335) no Hoare annotation was computed. [2023-11-23 21:23:56,651 INFO L899 garLoopResultBuilder]: For program point L324-1(lines 324 335) no Hoare annotation was computed. [2023-11-23 21:23:56,651 INFO L895 garLoopResultBuilder]: At program point L258-2(lines 252 262) the Hoare annotation is: false [2023-11-23 21:23:56,651 INFO L899 garLoopResultBuilder]: For program point L308(lines 308 320) no Hoare annotation was computed. [2023-11-23 21:23:56,652 INFO L899 garLoopResultBuilder]: For program point L275(line 275) no Hoare annotation was computed. [2023-11-23 21:23:56,652 INFO L895 garLoopResultBuilder]: At program point L391-2(lines 385 395) the Hoare annotation is: false [2023-11-23 21:23:56,652 INFO L895 garLoopResultBuilder]: At program point L325(line 325) the Hoare annotation is: false [2023-11-23 21:23:56,652 INFO L899 garLoopResultBuilder]: For program point L325-1(line 325) no Hoare annotation was computed. [2023-11-23 21:23:56,652 INFO L895 garLoopResultBuilder]: At program point L309(line 309) the Hoare annotation is: false [2023-11-23 21:23:56,652 INFO L899 garLoopResultBuilder]: For program point L309-1(line 309) no Hoare annotation was computed. [2023-11-23 21:23:56,652 INFO L895 garLoopResultBuilder]: At program point L276-2(lines 276 278) the Hoare annotation is: false [2023-11-23 21:23:56,652 INFO L895 garLoopResultBuilder]: At program point L524(line 524) the Hoare annotation is: false [2023-11-23 21:23:56,652 INFO L895 garLoopResultBuilder]: At program point L524-1(lines 511 526) the Hoare annotation is: false [2023-11-23 21:23:56,652 INFO L899 garLoopResultBuilder]: For program point L326(lines 326 334) no Hoare annotation was computed. [2023-11-23 21:23:56,653 INFO L895 garLoopResultBuilder]: At program point L409(line 409) the Hoare annotation is: false [2023-11-23 21:23:56,653 INFO L899 garLoopResultBuilder]: For program point L409-1(lines 407 430) no Hoare annotation was computed. [2023-11-23 21:23:56,653 INFO L899 garLoopResultBuilder]: For program point L310(lines 310 317) no Hoare annotation was computed. [2023-11-23 21:23:56,653 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-23 21:23:56,653 INFO L895 garLoopResultBuilder]: At program point L327(line 327) the Hoare annotation is: false [2023-11-23 21:23:56,653 INFO L895 garLoopResultBuilder]: At program point L360-2(lines 354 364) the Hoare annotation is: false [2023-11-23 21:23:56,653 INFO L899 garLoopResultBuilder]: For program point L327-1(line 327) no Hoare annotation was computed. [2023-11-23 21:23:56,653 INFO L895 garLoopResultBuilder]: At program point L311(line 311) the Hoare annotation is: false [2023-11-23 21:23:56,653 INFO L899 garLoopResultBuilder]: For program point L311-1(line 311) no Hoare annotation was computed. [2023-11-23 21:23:56,654 INFO L895 garLoopResultBuilder]: At program point L212(line 212) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (<= 0 (+ ~VALUE3~0 128)) (= (select |#length| 3) 12) (= (select |#length| 2) 50) (<= 1 |#StackHeapBarrier|) (= ~g1v_old~0 0) (= ~g1v_new~0 0) (= |ULTIMATE.start_main_~c1~0#1| 0) (= ~g3v_old~0 0) (= 2 (select |#length| 1)) (= ~g2v~0 0) (= (select |#valid| 3) 1) (= ~g3v_new~0 0) (<= 0 (+ ~votedValue_History_1~0 128)) (<= ~votedValue_History_0~0 127) (<= ~votedValue_History_2~0 127) (<= 0 (+ ~votedValue_History_0~0 128)) (= (select |#valid| 1) 1) (= (+ ~nomsg~0 1) 0) (<= ~VALUE2~0 127) (<= 0 (+ ~VALUE2~0 128)) (= (select |#valid| 0) 0) (= ~g3v~0 0) (<= ~VALUE3~0 127) (= ~g2v_old~0 0) (= (select |#valid| 2) 1) (= ~g1v~0 0) (= (select .cse0 0) 48) (<= ~votedValue_History_1~0 127) (= (select .cse0 1) 0) (<= 0 (+ ~votedValue_History_2~0 128)) (<= 0 (+ ~VALUE1~0 128)) (<= ~VALUE1~0 127) (= ~g2v_new~0 0))) [2023-11-23 21:23:56,654 INFO L899 garLoopResultBuilder]: For program point L212-1(line 212) no Hoare annotation was computed. [2023-11-23 21:23:56,654 INFO L899 garLoopResultBuilder]: For program point L427(line 427) no Hoare annotation was computed. [2023-11-23 21:23:56,654 INFO L899 garLoopResultBuilder]: For program point L328(lines 328 333) no Hoare annotation was computed. [2023-11-23 21:23:56,656 INFO L899 garLoopResultBuilder]: For program point gate1_each_pals_period_returnLabel#1(lines 339 369) no Hoare annotation was computed. [2023-11-23 21:23:56,656 INFO L899 garLoopResultBuilder]: For program point L444(lines 444 472) no Hoare annotation was computed. [2023-11-23 21:23:56,656 INFO L895 garLoopResultBuilder]: At program point L378(line 378) the Hoare annotation is: false [2023-11-23 21:23:56,656 INFO L899 garLoopResultBuilder]: For program point L378-1(lines 376 399) no Hoare annotation was computed. [2023-11-23 21:23:56,656 INFO L899 garLoopResultBuilder]: For program point L312(lines 312 314) no Hoare annotation was computed. [2023-11-23 21:23:56,657 INFO L899 garLoopResultBuilder]: For program point L279(line 279) no Hoare annotation was computed. [2023-11-23 21:23:56,657 INFO L899 garLoopResultBuilder]: For program point L213(lines 213 215) no Hoare annotation was computed. [2023-11-23 21:23:56,657 INFO L895 garLoopResultBuilder]: At program point L329(line 329) the Hoare annotation is: false [2023-11-23 21:23:56,657 INFO L899 garLoopResultBuilder]: For program point L329-1(line 329) no Hoare annotation was computed. [2023-11-23 21:23:56,657 INFO L895 garLoopResultBuilder]: At program point L263(line 263) the Hoare annotation is: false [2023-11-23 21:23:56,657 INFO L899 garLoopResultBuilder]: For program point L280-2(lines 269 300) no Hoare annotation was computed. [2023-11-23 21:23:56,657 INFO L899 garLoopResultBuilder]: For program point L462(lines 462 472) no Hoare annotation was computed. [2023-11-23 21:23:56,658 INFO L899 garLoopResultBuilder]: For program point L396(line 396) no Hoare annotation was computed. [2023-11-23 21:23:56,658 INFO L899 garLoopResultBuilder]: For program point L330(lines 330 332) no Hoare annotation was computed. [2023-11-23 21:23:56,658 INFO L899 garLoopResultBuilder]: For program point L264(line 264) no Hoare annotation was computed. [2023-11-23 21:23:56,658 INFO L895 garLoopResultBuilder]: At program point L347(line 347) the Hoare annotation is: false [2023-11-23 21:23:56,658 INFO L899 garLoopResultBuilder]: For program point L347-1(lines 345 368) no Hoare annotation was computed. [2023-11-23 21:23:56,658 INFO L899 garLoopResultBuilder]: For program point check_returnLabel#1(lines 231 338) no Hoare annotation was computed. [2023-11-23 21:23:56,658 INFO L899 garLoopResultBuilder]: For program point L265(lines 265 302) no Hoare annotation was computed. [2023-11-23 21:23:56,659 INFO L899 garLoopResultBuilder]: For program point $Ultimate##111(lines 297 299) no Hoare annotation was computed. [2023-11-23 21:23:56,659 INFO L895 garLoopResultBuilder]: At program point L265-1(lines 265 302) the Hoare annotation is: false [2023-11-23 21:23:56,659 INFO L899 garLoopResultBuilder]: For program point L447(lines 447 472) no Hoare annotation was computed. [2023-11-23 21:23:56,659 INFO L899 garLoopResultBuilder]: For program point gate3_each_pals_period_returnLabel#1(lines 401 431) no Hoare annotation was computed. [2023-11-23 21:23:56,659 INFO L895 garLoopResultBuilder]: At program point L216(line 216) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (<= 0 (+ ~VALUE3~0 128)) (= (select |#length| 3) 12) (= (select |#length| 2) 50) (<= 1 |#StackHeapBarrier|) (= ~g1v_old~0 0) (= ~g1v_new~0 0) (= |ULTIMATE.start_main_~c1~0#1| 0) (= ~g3v_old~0 0) (= 2 (select |#length| 1)) (= ~g2v~0 0) (= (select |#valid| 3) 1) (= ~g3v_new~0 0) (<= 0 (+ ~votedValue_History_1~0 128)) (<= ~votedValue_History_0~0 127) (<= ~votedValue_History_2~0 127) (<= 0 (+ ~votedValue_History_0~0 128)) (= |ULTIMATE.start_init_~tmp~1#1| 1) (= (select |#valid| 1) 1) (= (+ ~nomsg~0 1) 0) (<= ~VALUE2~0 127) (<= 0 (+ ~VALUE2~0 128)) (= (select |#valid| 0) 0) (= ~g3v~0 0) (<= ~VALUE3~0 127) (= ~g2v_old~0 0) (= (select |#valid| 2) 1) (= ~g1v~0 0) (= (select .cse0 0) 48) (<= ~votedValue_History_1~0 127) (= (select .cse0 1) 0) (<= 0 (+ ~votedValue_History_2~0 128)) (<= 0 (+ ~VALUE1~0 128)) (<= ~VALUE1~0 127) (= ~g2v_new~0 0))) [2023-11-23 21:23:56,660 INFO L899 garLoopResultBuilder]: For program point L216-1(line 216) no Hoare annotation was computed. [2023-11-23 21:23:56,660 INFO L899 garLoopResultBuilder]: For program point init_returnLabel#1(lines 204 230) no Hoare annotation was computed. [2023-11-23 21:23:56,660 INFO L899 garLoopResultBuilder]: For program point gate2_each_pals_period_returnLabel#1(lines 370 400) no Hoare annotation was computed. [2023-11-23 21:23:56,660 INFO L899 garLoopResultBuilder]: For program point L365(line 365) no Hoare annotation was computed. [2023-11-23 21:23:56,660 INFO L895 garLoopResultBuilder]: At program point L266(line 266) the Hoare annotation is: false [2023-11-23 21:23:56,660 INFO L899 garLoopResultBuilder]: For program point L266-1(line 266) no Hoare annotation was computed. [2023-11-23 21:23:56,661 INFO L899 garLoopResultBuilder]: For program point L93(lines 93 98) no Hoare annotation was computed. [2023-11-23 21:23:56,661 INFO L899 garLoopResultBuilder]: For program point L93-2(lines 75 98) no Hoare annotation was computed. [2023-11-23 21:23:56,661 INFO L899 garLoopResultBuilder]: For program point L89(lines 89 91) no Hoare annotation was computed. [2023-11-23 21:23:56,661 INFO L899 garLoopResultBuilder]: For program point L81(lines 81 98) no Hoare annotation was computed. [2023-11-23 21:23:56,661 INFO L899 garLoopResultBuilder]: For program point L77(lines 77 79) no Hoare annotation was computed. [2023-11-23 21:23:56,662 INFO L895 garLoopResultBuilder]: At program point L94(line 94) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (or (not (= (select .cse0 0) 48)) (not (= 2 (select |#length| 1))) (not (= (select |#length| 2) 50)) (not (= (select |#valid| 3) 1)) (let ((.cse1 (< (+ ~votedValue_History_0~0 128) 0)) (.cse2 (not (= ~g3v_old~0 0))) (.cse3 (not (= ~g3v_new~0 0))) (.cse4 (not (= ~g1v_new~0 0))) (.cse5 (< (+ ~votedValue_History_1~0 128) 0)) (.cse6 (not (= ~g2v~0 0))) (.cse7 (< 127 ~VALUE2~0)) (.cse8 (not (= ~g2v_new~0 0))) (.cse9 (not (= ~g1v_old~0 0))) (.cse10 (< (+ ~VALUE3~0 128) 0)) (.cse11 (< (+ ~VALUE1~0 128) 0)) (.cse12 (not (= ~g3v~0 0))) (.cse13 (< 127 ~VALUE1~0)) (.cse14 (< 127 ~VALUE3~0)) (.cse15 (not (= ~g2v_old~0 0))) (.cse16 (not (= (+ ~nomsg~0 1) 0))) (.cse17 (< |#StackHeapBarrier| 1)) (.cse18 (< 127 ~votedValue_History_0~0)) (.cse19 (< (+ ~VALUE2~0 128) 0)) (.cse20 (< (+ ~votedValue_History_2~0 128) 0)) (.cse21 (not (= ~g1v~0 0))) (.cse22 (< 127 ~votedValue_History_2~0)) (.cse23 (< 127 ~votedValue_History_1~0))) (and (or .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 (not (= |add_history_type_#in~history_id| 1)) .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23) (or .cse1 .cse2 .cse3 .cse4 (not (= |add_history_type_#in~history_id| 0)) .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23))) (not (= (select |#length| 3) 12)) (not (= (select |#valid| 0) 0)) (not (= (select .cse0 1) 0)) (not (= (select |#valid| 1) 1)) (not (= (select |#valid| 2) 1)))) [2023-11-23 21:23:56,662 INFO L899 garLoopResultBuilder]: For program point L94-1(line 94) no Hoare annotation was computed. [2023-11-23 21:23:56,662 INFO L895 garLoopResultBuilder]: At program point L82(line 82) the Hoare annotation is: (let ((.cse10 (not (= |add_history_type_#in~history_id| 0))) (.cse11 (select |#memory_int| 1))) (let ((.cse0 (not (= (select .cse11 0) 48))) (.cse1 (not (= 2 (select |#length| 1)))) (.cse2 (not (= (select |#length| 2) 50))) (.cse3 (not (= (select |#valid| 3) 1))) (.cse4 (let ((.cse12 (< (+ ~votedValue_History_0~0 128) 0)) (.cse13 (not (= ~g3v_old~0 0))) (.cse14 (not (= ~g3v_new~0 0))) (.cse15 (not (= ~g1v_new~0 0))) (.cse16 (< (+ ~votedValue_History_1~0 128) 0)) (.cse17 (not (= ~g2v~0 0))) (.cse18 (< 127 ~VALUE2~0)) (.cse19 (not (= ~g2v_new~0 0))) (.cse20 (not (= ~g1v_old~0 0))) (.cse21 (< (+ ~VALUE3~0 128) 0)) (.cse22 (< (+ ~VALUE1~0 128) 0)) (.cse23 (not (= ~g3v~0 0))) (.cse24 (< 127 ~VALUE1~0)) (.cse25 (< 127 ~VALUE3~0)) (.cse26 (not (= ~g2v_old~0 0))) (.cse27 (not (= (+ ~nomsg~0 1) 0))) (.cse28 (< |#StackHeapBarrier| 1)) (.cse29 (< 127 ~votedValue_History_0~0)) (.cse30 (< (+ ~VALUE2~0 128) 0)) (.cse31 (< (+ ~votedValue_History_2~0 128) 0)) (.cse32 (not (= ~g1v~0 0))) (.cse33 (< 127 ~votedValue_History_2~0)) (.cse34 (< 127 ~votedValue_History_1~0))) (and (or .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 (not (= |add_history_type_#in~history_id| 1)) .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34) (or .cse12 .cse13 .cse14 .cse15 .cse10 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34)))) (.cse5 (not (= (select |#length| 3) 12))) (.cse6 (not (= (select |#valid| 0) 0))) (.cse7 (not (= (select .cse11 1) 0))) (.cse8 (not (= (select |#valid| 1) 1))) (.cse9 (not (= (select |#valid| 2) 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (and (<= 0 add_history_type_~var~0) (<= add_history_type_~var~0 2) (= add_history_type_~ini_bool~0 0) (not (= add_history_type_~history_id 0)) (= (+ 2 add_history_type_~ini_int~0) 0) (<= 0 add_history_type_~history_id) (<= add_history_type_~history_id 1)) .cse9) (or .cse10 .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9)))) [2023-11-23 21:23:56,662 INFO L899 garLoopResultBuilder]: For program point L82-1(line 82) no Hoare annotation was computed. [2023-11-23 21:23:56,663 INFO L895 garLoopResultBuilder]: At program point L74-2(lines 74 100) the Hoare annotation is: (let ((.cse10 (not (= |add_history_type_#in~history_id| 0))) (.cse12 (select |#memory_int| 1))) (let ((.cse0 (not (= (select .cse12 0) 48))) (.cse1 (not (= 2 (select |#length| 1)))) (.cse2 (not (= (select |#length| 2) 50))) (.cse3 (not (= (select |#valid| 3) 1))) (.cse4 (let ((.cse13 (< (+ ~votedValue_History_0~0 128) 0)) (.cse14 (not (= ~g3v_old~0 0))) (.cse15 (not (= ~g3v_new~0 0))) (.cse16 (not (= ~g1v_new~0 0))) (.cse17 (< (+ ~votedValue_History_1~0 128) 0)) (.cse18 (not (= ~g2v~0 0))) (.cse19 (< 127 ~VALUE2~0)) (.cse20 (not (= ~g2v_new~0 0))) (.cse21 (not (= ~g1v_old~0 0))) (.cse22 (< (+ ~VALUE3~0 128) 0)) (.cse23 (< (+ ~VALUE1~0 128) 0)) (.cse24 (not (= ~g3v~0 0))) (.cse25 (< 127 ~VALUE1~0)) (.cse26 (< 127 ~VALUE3~0)) (.cse27 (not (= ~g2v_old~0 0))) (.cse28 (not (= (+ ~nomsg~0 1) 0))) (.cse29 (< |#StackHeapBarrier| 1)) (.cse30 (< 127 ~votedValue_History_0~0)) (.cse31 (< (+ ~VALUE2~0 128) 0)) (.cse32 (< (+ ~votedValue_History_2~0 128) 0)) (.cse33 (not (= ~g1v~0 0))) (.cse34 (< 127 ~votedValue_History_2~0)) (.cse35 (< 127 ~votedValue_History_1~0))) (and (or .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 (not (= |add_history_type_#in~history_id| 1)) .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34 .cse35) (or .cse13 .cse14 .cse15 .cse16 .cse10 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34 .cse35)))) (.cse5 (not (= (select |#length| 3) 12))) (.cse6 (not (= (select |#valid| 0) 0))) (.cse7 (not (= (select .cse12 1) 0))) (.cse8 (not (= (select |#valid| 1) 1))) (.cse9 (not (= (select |#valid| 2) 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (and (<= 0 add_history_type_~var~0) (= add_history_type_~ini_bool~0 0) (= (+ 2 add_history_type_~ini_int~0) 0) (<= 0 add_history_type_~history_id) (<= add_history_type_~history_id 1)) .cse9) (let ((.cse11 (= add_history_type_~history_id 0))) (or .cse10 .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (and (= add_history_type_~tmp~0 0) .cse11) (and (= add_history_type_~var~0 0) .cse11) .cse9))))) [2023-11-23 21:23:56,663 INFO L899 garLoopResultBuilder]: For program point L95(lines 95 97) no Hoare annotation was computed. [2023-11-23 21:23:56,663 INFO L899 garLoopResultBuilder]: For program point L87(lines 87 98) no Hoare annotation was computed. [2023-11-23 21:23:56,663 INFO L899 garLoopResultBuilder]: For program point L83(lines 83 85) no Hoare annotation was computed. [2023-11-23 21:23:56,663 INFO L899 garLoopResultBuilder]: For program point add_history_typeEXIT(lines 60 103) no Hoare annotation was computed. [2023-11-23 21:23:56,663 INFO L899 garLoopResultBuilder]: For program point L75(lines 75 98) no Hoare annotation was computed. [2023-11-23 21:23:56,664 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 60 103) the Hoare annotation is: true [2023-11-23 21:23:56,664 INFO L895 garLoopResultBuilder]: At program point L88(line 88) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (or (not (= (select .cse0 0) 48)) (not (= 2 (select |#length| 1))) (not (= (select |#length| 2) 50)) (not (= (select |#valid| 3) 1)) (let ((.cse1 (< (+ ~votedValue_History_0~0 128) 0)) (.cse2 (not (= ~g3v_old~0 0))) (.cse3 (not (= ~g3v_new~0 0))) (.cse4 (not (= ~g1v_new~0 0))) (.cse5 (< (+ ~votedValue_History_1~0 128) 0)) (.cse6 (not (= ~g2v~0 0))) (.cse7 (< 127 ~VALUE2~0)) (.cse8 (not (= ~g2v_new~0 0))) (.cse9 (not (= ~g1v_old~0 0))) (.cse10 (< (+ ~VALUE3~0 128) 0)) (.cse11 (< (+ ~VALUE1~0 128) 0)) (.cse12 (not (= ~g3v~0 0))) (.cse13 (< 127 ~VALUE1~0)) (.cse14 (< 127 ~VALUE3~0)) (.cse15 (not (= ~g2v_old~0 0))) (.cse16 (not (= (+ ~nomsg~0 1) 0))) (.cse17 (< |#StackHeapBarrier| 1)) (.cse18 (< 127 ~votedValue_History_0~0)) (.cse19 (< (+ ~VALUE2~0 128) 0)) (.cse20 (< (+ ~votedValue_History_2~0 128) 0)) (.cse21 (not (= ~g1v~0 0))) (.cse22 (< 127 ~votedValue_History_2~0)) (.cse23 (< 127 ~votedValue_History_1~0))) (and (or .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 (not (= |add_history_type_#in~history_id| 1)) .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23) (or .cse1 .cse2 .cse3 .cse4 (not (= |add_history_type_#in~history_id| 0)) .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23))) (not (= (select |#length| 3) 12)) (not (= (select |#valid| 0) 0)) (not (= (select .cse0 1) 0)) (not (= (select |#valid| 1) 1)) (not (= (select |#valid| 2) 1)))) [2023-11-23 21:23:56,664 INFO L899 garLoopResultBuilder]: For program point L88-1(line 88) no Hoare annotation was computed. [2023-11-23 21:23:56,665 INFO L895 garLoopResultBuilder]: At program point L76(line 76) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (or (and (<= 0 add_history_type_~var~0) (<= add_history_type_~var~0 2) (= add_history_type_~ini_bool~0 0) (= add_history_type_~history_id 0) (= (+ 2 add_history_type_~ini_int~0) 0)) (not (= (select .cse0 0) 48)) (not (= 2 (select |#length| 1))) (not (= (select |#length| 2) 50)) (not (= (select |#valid| 3) 1)) (let ((.cse1 (< (+ ~votedValue_History_0~0 128) 0)) (.cse2 (not (= ~g3v_old~0 0))) (.cse3 (not (= ~g3v_new~0 0))) (.cse4 (not (= ~g1v_new~0 0))) (.cse5 (< (+ ~votedValue_History_1~0 128) 0)) (.cse6 (not (= ~g2v~0 0))) (.cse7 (< 127 ~VALUE2~0)) (.cse8 (not (= ~g2v_new~0 0))) (.cse9 (not (= ~g1v_old~0 0))) (.cse10 (< (+ ~VALUE3~0 128) 0)) (.cse11 (< (+ ~VALUE1~0 128) 0)) (.cse12 (not (= ~g3v~0 0))) (.cse13 (< 127 ~VALUE1~0)) (.cse14 (< 127 ~VALUE3~0)) (.cse15 (not (= ~g2v_old~0 0))) (.cse16 (not (= (+ ~nomsg~0 1) 0))) (.cse17 (< |#StackHeapBarrier| 1)) (.cse18 (< 127 ~votedValue_History_0~0)) (.cse19 (< (+ ~VALUE2~0 128) 0)) (.cse20 (< (+ ~votedValue_History_2~0 128) 0)) (.cse21 (not (= ~g1v~0 0))) (.cse22 (< 127 ~votedValue_History_2~0)) (.cse23 (< 127 ~votedValue_History_1~0))) (and (or .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 (not (= |add_history_type_#in~history_id| 1)) .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23) (or .cse1 .cse2 .cse3 .cse4 (not (= |add_history_type_#in~history_id| 0)) .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23))) (not (= (select |#length| 3) 12)) (not (= (select |#valid| 0) 0)) (not (= (select .cse0 1) 0)) (not (= (select |#valid| 1) 1)) (not (= (select |#valid| 2) 1)))) [2023-11-23 21:23:56,665 INFO L899 garLoopResultBuilder]: For program point L76-1(line 76) no Hoare annotation was computed. [2023-11-23 21:23:56,665 INFO L899 garLoopResultBuilder]: For program point add_history_typeFINAL(lines 60 103) no Hoare annotation was computed. [2023-11-23 21:23:56,665 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 36 38) the Hoare annotation is: true [2023-11-23 21:23:56,665 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 36 38) no Hoare annotation was computed. [2023-11-23 21:23:56,665 INFO L899 garLoopResultBuilder]: For program point L189(lines 189 200) no Hoare annotation was computed. [2023-11-23 21:23:56,665 INFO L899 garLoopResultBuilder]: For program point write_history_boolEXIT(lines 179 203) no Hoare annotation was computed. [2023-11-23 21:23:56,666 INFO L899 garLoopResultBuilder]: For program point L184(lines 184 200) no Hoare annotation was computed. [2023-11-23 21:23:56,666 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 179 203) the Hoare annotation is: true [2023-11-23 21:23:56,666 INFO L902 garLoopResultBuilder]: At program point L199(line 199) the Hoare annotation is: true [2023-11-23 21:23:56,666 INFO L899 garLoopResultBuilder]: For program point L199-1(lines 179 203) no Hoare annotation was computed. [2023-11-23 21:23:56,666 INFO L899 garLoopResultBuilder]: For program point L194(lines 194 200) no Hoare annotation was computed. [2023-11-23 21:23:56,669 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:23:56,672 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:23:56,686 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][0] could not be translated [2023-11-23 21:23:56,689 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[1] could not be translated [2023-11-23 21:23:56,689 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[2] could not be translated [2023-11-23 21:23:56,689 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[3] could not be translated [2023-11-23 21:23:56,692 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[3] could not be translated [2023-11-23 21:23:56,693 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[0] could not be translated [2023-11-23 21:23:56,693 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][1] could not be translated [2023-11-23 21:23:56,693 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[1] could not be translated [2023-11-23 21:23:56,694 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[2] could not be translated [2023-11-23 21:23:56,694 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][0] could not be translated [2023-11-23 21:23:56,694 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[1] could not be translated [2023-11-23 21:23:56,694 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[2] could not be translated [2023-11-23 21:23:56,694 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[3] could not be translated [2023-11-23 21:23:56,696 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[3] could not be translated [2023-11-23 21:23:56,697 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[0] could not be translated [2023-11-23 21:23:56,697 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][1] could not be translated [2023-11-23 21:23:56,697 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[1] could not be translated [2023-11-23 21:23:56,698 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[2] could not be translated [2023-11-23 21:23:56,699 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:23:56 BoogieIcfgContainer [2023-11-23 21:23:56,699 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:23:56,699 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:23:56,699 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:23:56,700 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:23:56,700 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:23:20" (3/4) ... [2023-11-23 21:23:56,702 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-23 21:23:56,705 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure read_history_int8 [2023-11-23 21:23:56,706 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure read_history_bool [2023-11-23 21:23:56,706 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assert [2023-11-23 21:23:56,706 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure add_history_type [2023-11-23 21:23:56,706 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-11-23 21:23:56,706 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure write_history_bool [2023-11-23 21:23:56,721 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2023-11-23 21:23:56,722 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2023-11-23 21:23:56,724 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-23 21:23:56,725 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 21:23:56,900 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a14a3a-231f-4e17-bb67-cada126815e4/bin/utaipan-verify-mE87zJ7Ire/witness.graphml [2023-11-23 21:23:56,901 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a14a3a-231f-4e17-bb67-cada126815e4/bin/utaipan-verify-mE87zJ7Ire/witness.yml [2023-11-23 21:23:56,901 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:23:56,902 INFO L158 Benchmark]: Toolchain (without parser) took 38165.06ms. Allocated memory was 146.8MB in the beginning and 511.7MB in the end (delta: 364.9MB). Free memory was 108.0MB in the beginning and 416.9MB in the end (delta: -308.9MB). Peak memory consumption was 58.1MB. Max. memory is 16.1GB. [2023-11-23 21:23:56,903 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 111.1MB. Free memory is still 62.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:23:56,903 INFO L158 Benchmark]: CACSL2BoogieTranslator took 431.61ms. Allocated memory is still 146.8MB. Free memory was 107.5MB in the beginning and 91.2MB in the end (delta: 16.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-23 21:23:56,904 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.05ms. Allocated memory is still 146.8MB. Free memory was 91.2MB in the beginning and 88.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 21:23:56,904 INFO L158 Benchmark]: Boogie Preprocessor took 62.51ms. Allocated memory is still 146.8MB. Free memory was 88.1MB in the beginning and 85.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:23:56,905 INFO L158 Benchmark]: RCFGBuilder took 993.27ms. Allocated memory is still 146.8MB. Free memory was 85.5MB in the beginning and 91.2MB in the end (delta: -5.7MB). Peak memory consumption was 32.7MB. Max. memory is 16.1GB. [2023-11-23 21:23:56,906 INFO L158 Benchmark]: TraceAbstraction took 36398.34ms. Allocated memory was 146.8MB in the beginning and 511.7MB in the end (delta: 364.9MB). Free memory was 90.3MB in the beginning and 428.4MB in the end (delta: -338.1MB). Peak memory consumption was 283.8MB. Max. memory is 16.1GB. [2023-11-23 21:23:56,906 INFO L158 Benchmark]: Witness Printer took 202.18ms. Allocated memory is still 511.7MB. Free memory was 427.4MB in the beginning and 416.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-23 21:23:56,909 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 111.1MB. Free memory is still 62.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 431.61ms. Allocated memory is still 146.8MB. Free memory was 107.5MB in the beginning and 91.2MB in the end (delta: 16.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.05ms. Allocated memory is still 146.8MB. Free memory was 91.2MB in the beginning and 88.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.51ms. Allocated memory is still 146.8MB. Free memory was 88.1MB in the beginning and 85.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 993.27ms. Allocated memory is still 146.8MB. Free memory was 85.5MB in the beginning and 91.2MB in the end (delta: -5.7MB). Peak memory consumption was 32.7MB. Max. memory is 16.1GB. * TraceAbstraction took 36398.34ms. Allocated memory was 146.8MB in the beginning and 511.7MB in the end (delta: 364.9MB). Free memory was 90.3MB in the beginning and 428.4MB in the end (delta: -338.1MB). Peak memory consumption was 283.8MB. Max. memory is 16.1GB. * Witness Printer took 202.18ms. Allocated memory is still 511.7MB. Free memory was 427.4MB in the beginning and 416.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[2] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[3] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[3] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[1] 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[1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[2] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[3] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[3] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[2] 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: 537]: 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 7 procedures, 144 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 36.3s, OverallIterations: 8, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 11.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 314 SdHoareTripleChecker+Valid, 3.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 274 mSDsluCounter, 5684 SdHoareTripleChecker+Invalid, 2.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4300 mSDsCounter, 44 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2266 IncrementalHoareTripleChecker+Invalid, 2310 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 44 mSolverCounterUnsat, 1384 mSDtfsCounter, 2266 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 402 GetRequests, 288 SyntacticMatches, 6 SemanticMatches, 108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 848 ImplicationChecksByTransitivity, 16.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=181occurred in iteration=7, InterpolantAutomatonStates: 88, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 44 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 595 PreInvPairs, 607 NumberOfFragments, 2400 HoareAnnotationTreeSize, 595 FomulaSimplifications, 2519 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 45 FomulaSimplificationsInter, 4419 FormulaSimplificationTreeSizeReductionInter, 3.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 338 NumberOfCodeBlocks, 338 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 437 ConstructedInterpolants, 0 QuantifiedInterpolants, 590 SizeOfPredicates, 0 NumberOfNonLiveVariables, 469 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 14 InterpolantComputations, 5 PerfectInterpolantSequences, 79/98 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: 8.8s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 9, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 104, DAG_INTERPRETER_EARLY_EXITS: 4, TOOLS_POST_APPLICATIONS: 193, TOOLS_POST_TIME: 3.9s, TOOLS_POST_CALL_APPLICATIONS: 77, TOOLS_POST_CALL_TIME: 1.3s, TOOLS_POST_RETURN_APPLICATIONS: 66, TOOLS_POST_RETURN_TIME: 1.5s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 336, TOOLS_QUANTIFIERELIM_TIME: 6.5s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.1s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 398, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 71, DOMAIN_JOIN_TIME: 1.5s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 12, DOMAIN_WIDEN_TIME: 0.3s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 18, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 104, DOMAIN_ISBOTTOM_TIME: 0.2s, LOOP_SUMMARIZER_APPLICATIONS: 6, LOOP_SUMMARIZER_CACHE_MISSES: 6, LOOP_SUMMARIZER_OVERALL_TIME: 4.1s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 4.1s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 18, CALL_SUMMARIZER_APPLICATIONS: 66, CALL_SUMMARIZER_CACHE_MISSES: 6, CALL_SUMMARIZER_OVERALL_TIME: 1.0s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 1.0s, 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: 1087, DAG_COMPRESSION_RETAINED_NODES: 245, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 511]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2023-11-23 21:23:56,964 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a14a3a-231f-4e17-bb67-cada126815e4/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE