./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_Triplicated.2.ufo.BOUNDED-10.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a15e82a6-2adc-4e77-9a82-3bacbfa69c14/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a15e82a6-2adc-4e77-9a82-3bacbfa69c14/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_a15e82a6-2adc-4e77-9a82-3bacbfa69c14/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a15e82a6-2adc-4e77-9a82-3bacbfa69c14/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_Triplicated.2.ufo.BOUNDED-10.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a15e82a6-2adc-4e77-9a82-3bacbfa69c14/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_a15e82a6-2adc-4e77-9a82-3bacbfa69c14/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 77d80771821c1cd45088b62d9d16474928a377618be5caefce4c7c3ebfdda084 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:23:23,377 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:23:23,494 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a15e82a6-2adc-4e77-9a82-3bacbfa69c14/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:23:23,502 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:23:23,503 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:23:23,540 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:23:23,541 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:23:23,542 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:23:23,543 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:23:23,548 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:23:23,549 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:23:23,549 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:23:23,550 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:23:23,551 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:23:23,552 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:23:23,552 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:23:23,553 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:23:23,553 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:23:23,554 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:23:23,554 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:23:23,555 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:23:23,555 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:23:23,557 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:23:23,557 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:23:23,558 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:23:23,558 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:23:23,559 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:23:23,559 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:23:23,560 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:23:23,560 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:23:23,561 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:23:23,562 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:23:23,562 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:23:23,562 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:23:23,563 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:23:23,563 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:23:23,563 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:23:23,564 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:23:23,564 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:23:23,564 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:23:23,565 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:23:23,565 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:23:23,565 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:23:23,566 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:23:23,566 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:23:23,567 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:23:23,567 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:23:23,567 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_a15e82a6-2adc-4e77-9a82-3bacbfa69c14/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a15e82a6-2adc-4e77-9a82-3bacbfa69c14/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 77d80771821c1cd45088b62d9d16474928a377618be5caefce4c7c3ebfdda084 [2023-11-23 21:23:23,878 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:23:23,908 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:23:23,910 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:23:23,913 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:23:23,913 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:23:23,914 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a15e82a6-2adc-4e77-9a82-3bacbfa69c14/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_Triplicated.2.ufo.BOUNDED-10.pals.c [2023-11-23 21:23:26,823 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:23:27,153 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:23:27,155 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a15e82a6-2adc-4e77-9a82-3bacbfa69c14/sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_Triplicated.2.ufo.BOUNDED-10.pals.c [2023-11-23 21:23:27,166 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a15e82a6-2adc-4e77-9a82-3bacbfa69c14/bin/utaipan-verify-mE87zJ7Ire/data/d703bf61c/a24e04c0a49c41ec87a4b4b518adf6f2/FLAGf7f6f8bc4 [2023-11-23 21:23:27,181 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a15e82a6-2adc-4e77-9a82-3bacbfa69c14/bin/utaipan-verify-mE87zJ7Ire/data/d703bf61c/a24e04c0a49c41ec87a4b4b518adf6f2 [2023-11-23 21:23:27,188 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:23:27,190 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:23:27,194 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:23:27,194 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:23:27,199 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:23:27,200 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:23:27" (1/1) ... [2023-11-23 21:23:27,201 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b34cdb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:27, skipping insertion in model container [2023-11-23 21:23:27,201 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:23:27" (1/1) ... [2023-11-23 21:23:27,263 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:23:27,509 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_a15e82a6-2adc-4e77-9a82-3bacbfa69c14/sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_Triplicated.2.ufo.BOUNDED-10.pals.c[11857,11870] [2023-11-23 21:23:27,513 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:23:27,525 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:23:27,585 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_a15e82a6-2adc-4e77-9a82-3bacbfa69c14/sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_Triplicated.2.ufo.BOUNDED-10.pals.c[11857,11870] [2023-11-23 21:23:27,586 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:23:27,603 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:23:27,604 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:27 WrapperNode [2023-11-23 21:23:27,604 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:23:27,605 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:23:27,605 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:23:27,606 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:23:27,613 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:27" (1/1) ... [2023-11-23 21:23:27,627 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:27" (1/1) ... [2023-11-23 21:23:27,673 INFO L138 Inliner]: procedures = 27, calls = 46, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 409 [2023-11-23 21:23:27,674 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:23:27,674 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:23:27,675 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:23:27,675 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:23:27,684 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:27" (1/1) ... [2023-11-23 21:23:27,684 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:27" (1/1) ... [2023-11-23 21:23:27,689 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:27" (1/1) ... [2023-11-23 21:23:27,690 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:27" (1/1) ... [2023-11-23 21:23:27,702 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:27" (1/1) ... [2023-11-23 21:23:27,709 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:27" (1/1) ... [2023-11-23 21:23:27,713 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:27" (1/1) ... [2023-11-23 21:23:27,715 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:27" (1/1) ... [2023-11-23 21:23:27,721 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:23:27,722 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:23:27,723 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:23:27,723 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:23:27,724 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:27" (1/1) ... [2023-11-23 21:23:27,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:23:27,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a15e82a6-2adc-4e77-9a82-3bacbfa69c14/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:23:27,780 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a15e82a6-2adc-4e77-9a82-3bacbfa69c14/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:23:27,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a15e82a6-2adc-4e77-9a82-3bacbfa69c14/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:23:27,814 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:23:27,815 INFO L130 BoogieDeclarations]: Found specification of procedure write_history_bool [2023-11-23 21:23:27,815 INFO L138 BoogieDeclarations]: Found implementation of procedure write_history_bool [2023-11-23 21:23:27,815 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2023-11-23 21:23:27,815 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2023-11-23 21:23:27,815 INFO L130 BoogieDeclarations]: Found specification of procedure read_history_int8 [2023-11-23 21:23:27,816 INFO L138 BoogieDeclarations]: Found implementation of procedure read_history_int8 [2023-11-23 21:23:27,816 INFO L130 BoogieDeclarations]: Found specification of procedure read_history_bool [2023-11-23 21:23:27,816 INFO L138 BoogieDeclarations]: Found implementation of procedure read_history_bool [2023-11-23 21:23:27,816 INFO L130 BoogieDeclarations]: Found specification of procedure add_history_type [2023-11-23 21:23:27,816 INFO L138 BoogieDeclarations]: Found implementation of procedure add_history_type [2023-11-23 21:23:27,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:23:27,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:23:27,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:23:27,955 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:23:27,960 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:23:28,639 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:23:28,901 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:23:28,904 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 21:23:28,906 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:23:28 BoogieIcfgContainer [2023-11-23 21:23:28,906 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:23:28,909 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:23:28,910 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:23:28,913 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:23:28,913 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:23:27" (1/3) ... [2023-11-23 21:23:28,914 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ab81f21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:23:28, skipping insertion in model container [2023-11-23 21:23:28,915 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:27" (2/3) ... [2023-11-23 21:23:28,917 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ab81f21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:23:28, skipping insertion in model container [2023-11-23 21:23:28,917 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:23:28" (3/3) ... [2023-11-23 21:23:28,918 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_STARTPALS_Triplicated.2.ufo.BOUNDED-10.pals.c [2023-11-23 21:23:28,936 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:23:28,936 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:23:28,984 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:23:28,989 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;@738d73af, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:23:28,990 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:23:28,993 INFO L276 IsEmpty]: Start isEmpty. Operand has 130 states, 91 states have (on average 1.4945054945054945) internal successors, (136), 95 states have internal predecessors, (136), 32 states have call successors, (32), 5 states have call predecessors, (32), 5 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2023-11-23 21:23:29,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 21:23:29,000 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:23:29,001 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:23:29,001 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:23:29,006 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:23:29,006 INFO L85 PathProgramCache]: Analyzing trace with hash 469496012, now seen corresponding path program 1 times [2023-11-23 21:23:29,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:23:29,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030960663] [2023-11-23 21:23:29,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:23:29,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:23:29,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:23:29,278 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 21:23:29,279 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:23:29,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030960663] [2023-11-23 21:23:29,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2030960663] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:23:29,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:23:29,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 21:23:29,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049612241] [2023-11-23 21:23:29,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:23:29,286 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:23:29,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:23:29,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:23:29,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:23:29,342 INFO L87 Difference]: Start difference. First operand has 130 states, 91 states have (on average 1.4945054945054945) internal successors, (136), 95 states have internal predecessors, (136), 32 states have call successors, (32), 5 states have call predecessors, (32), 5 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) 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 21:23:29,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:23:29,571 INFO L93 Difference]: Finished difference Result 264 states and 440 transitions. [2023-11-23 21:23:29,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 21:23:29,573 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 21:23:29,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:23:29,582 INFO L225 Difference]: With dead ends: 264 [2023-11-23 21:23:29,582 INFO L226 Difference]: Without dead ends: 135 [2023-11-23 21:23:29,587 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 21:23:29,590 INFO L413 NwaCegarLoop]: 177 mSDtfsCounter, 6 mSDsluCounter, 342 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 519 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:23:29,591 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 519 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 21:23:29,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2023-11-23 21:23:29,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 133. [2023-11-23 21:23:29,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 94 states have (on average 1.4574468085106382) internal successors, (137), 97 states have internal predecessors, (137), 32 states have call successors, (32), 6 states have call predecessors, (32), 6 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2023-11-23 21:23:29,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 201 transitions. [2023-11-23 21:23:29,646 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 201 transitions. Word has length 14 [2023-11-23 21:23:29,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:23:29,647 INFO L495 AbstractCegarLoop]: Abstraction has 133 states and 201 transitions. [2023-11-23 21:23:29,647 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 21:23:29,647 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 201 transitions. [2023-11-23 21:23:29,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 21:23:29,649 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:23:29,649 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:23:29,650 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:23:29,650 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:23:29,650 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:23:29,651 INFO L85 PathProgramCache]: Analyzing trace with hash -2116359622, now seen corresponding path program 1 times [2023-11-23 21:23:29,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:23:29,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227919162] [2023-11-23 21:23:29,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:23:29,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:23:29,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:23:29,718 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 21:23:29,719 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:23:29,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227919162] [2023-11-23 21:23:29,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [227919162] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:23:29,719 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:23:29,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 21:23:29,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717238125] [2023-11-23 21:23:29,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:23:29,721 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:23:29,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:23:29,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:23:29,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:23:29,722 INFO L87 Difference]: Start difference. First operand 133 states and 201 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 21:23:29,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:23:29,836 INFO L93 Difference]: Finished difference Result 278 states and 424 transitions. [2023-11-23 21:23:29,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 21:23:29,837 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 21:23:29,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:23:29,840 INFO L225 Difference]: With dead ends: 278 [2023-11-23 21:23:29,840 INFO L226 Difference]: Without dead ends: 147 [2023-11-23 21:23:29,842 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 21:23:29,844 INFO L413 NwaCegarLoop]: 180 mSDtfsCounter, 22 mSDsluCounter, 349 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 529 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 21:23:29,845 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 529 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 21:23:29,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2023-11-23 21:23:29,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 145. [2023-11-23 21:23:29,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 104 states have (on average 1.4423076923076923) internal successors, (150), 107 states have internal predecessors, (150), 33 states have call successors, (33), 7 states have call predecessors, (33), 7 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-11-23 21:23:29,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 216 transitions. [2023-11-23 21:23:29,871 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 216 transitions. Word has length 15 [2023-11-23 21:23:29,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:23:29,872 INFO L495 AbstractCegarLoop]: Abstraction has 145 states and 216 transitions. [2023-11-23 21:23:29,872 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 21:23:29,872 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 216 transitions. [2023-11-23 21:23:29,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 21:23:29,874 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:23:29,874 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:23:29,874 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 21:23:29,875 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:23:29,875 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:23:29,876 INFO L85 PathProgramCache]: Analyzing trace with hash -1948937787, now seen corresponding path program 1 times [2023-11-23 21:23:29,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:23:29,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570916348] [2023-11-23 21:23:29,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:23:29,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:23:29,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:23:29,972 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 21:23:29,973 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:23:29,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570916348] [2023-11-23 21:23:29,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1570916348] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:23:29,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:23:29,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:23:29,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853183540] [2023-11-23 21:23:29,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:23:29,975 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:23:29,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:23:29,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:23:29,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:23:29,977 INFO L87 Difference]: Start difference. First operand 145 states and 216 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-23 21:23:30,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:23:30,045 INFO L93 Difference]: Finished difference Result 310 states and 470 transitions. [2023-11-23 21:23:30,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:23:30,046 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 19 [2023-11-23 21:23:30,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:23:30,049 INFO L225 Difference]: With dead ends: 310 [2023-11-23 21:23:30,049 INFO L226 Difference]: Without dead ends: 174 [2023-11-23 21:23:30,051 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 21:23:30,052 INFO L413 NwaCegarLoop]: 180 mSDtfsCounter, 22 mSDsluCounter, 179 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:23:30,053 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 359 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:23:30,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2023-11-23 21:23:30,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 147. [2023-11-23 21:23:30,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 106 states have (on average 1.4339622641509433) internal successors, (152), 109 states have internal predecessors, (152), 33 states have call successors, (33), 7 states have call predecessors, (33), 7 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-11-23 21:23:30,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 218 transitions. [2023-11-23 21:23:30,079 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 218 transitions. Word has length 19 [2023-11-23 21:23:30,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:23:30,079 INFO L495 AbstractCegarLoop]: Abstraction has 147 states and 218 transitions. [2023-11-23 21:23:30,080 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-23 21:23:30,080 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 218 transitions. [2023-11-23 21:23:30,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 21:23:30,081 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:23:30,082 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] [2023-11-23 21:23:30,082 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-23 21:23:30,082 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:23:30,083 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:23:30,083 INFO L85 PathProgramCache]: Analyzing trace with hash 1166344558, now seen corresponding path program 1 times [2023-11-23 21:23:30,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:23:30,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322174137] [2023-11-23 21:23:30,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:23:30,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:23:30,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:23:30,140 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 21:23:30,141 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:23:30,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322174137] [2023-11-23 21:23:30,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1322174137] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:23:30,142 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:23:30,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:23:30,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764116823] [2023-11-23 21:23:30,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:23:30,143 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:23:30,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:23:30,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:23:30,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:23:30,144 INFO L87 Difference]: Start difference. First operand 147 states and 218 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-23 21:23:30,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:23:30,215 INFO L93 Difference]: Finished difference Result 247 states and 367 transitions. [2023-11-23 21:23:30,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:23:30,215 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 27 [2023-11-23 21:23:30,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:23:30,221 INFO L225 Difference]: With dead ends: 247 [2023-11-23 21:23:30,222 INFO L226 Difference]: Without dead ends: 147 [2023-11-23 21:23:30,223 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 21:23:30,235 INFO L413 NwaCegarLoop]: 181 mSDtfsCounter, 0 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:23:30,235 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 359 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:23:30,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2023-11-23 21:23:30,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2023-11-23 21:23:30,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 106 states have (on average 1.4056603773584906) internal successors, (149), 109 states have internal predecessors, (149), 33 states have call successors, (33), 7 states have call predecessors, (33), 7 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-11-23 21:23:30,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 215 transitions. [2023-11-23 21:23:30,275 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 215 transitions. Word has length 27 [2023-11-23 21:23:30,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:23:30,275 INFO L495 AbstractCegarLoop]: Abstraction has 147 states and 215 transitions. [2023-11-23 21:23:30,276 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-23 21:23:30,276 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 215 transitions. [2023-11-23 21:23:30,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-23 21:23:30,277 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:23:30,278 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] [2023-11-23 21:23:30,278 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-23 21:23:30,278 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:23:30,279 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:23:30,279 INFO L85 PathProgramCache]: Analyzing trace with hash 201637737, now seen corresponding path program 1 times [2023-11-23 21:23:30,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:23:30,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345248121] [2023-11-23 21:23:30,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:23:30,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:23:30,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:23:30,428 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:23:30,429 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:23:30,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345248121] [2023-11-23 21:23:30,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1345248121] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:23:30,429 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:23:30,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 21:23:30,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481848374] [2023-11-23 21:23:30,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:23:30,435 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 21:23:30,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:23:30,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 21:23:30,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:23:30,440 INFO L87 Difference]: Start difference. First operand 147 states and 215 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 21:23:30,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:23:30,547 INFO L93 Difference]: Finished difference Result 286 states and 421 transitions. [2023-11-23 21:23:30,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 21:23:30,548 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 21:23:30,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:23:30,550 INFO L225 Difference]: With dead ends: 286 [2023-11-23 21:23:30,550 INFO L226 Difference]: Without dead ends: 149 [2023-11-23 21:23:30,551 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 21:23:30,553 INFO L413 NwaCegarLoop]: 178 mSDtfsCounter, 0 mSDsluCounter, 529 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 707 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:23:30,553 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 707 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 21:23:30,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2023-11-23 21:23:30,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 147. [2023-11-23 21:23:30,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 106 states have (on average 1.3962264150943395) internal successors, (148), 109 states have internal predecessors, (148), 33 states have call successors, (33), 7 states have call predecessors, (33), 7 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-11-23 21:23:30,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 214 transitions. [2023-11-23 21:23:30,569 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 214 transitions. Word has length 30 [2023-11-23 21:23:30,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:23:30,570 INFO L495 AbstractCegarLoop]: Abstraction has 147 states and 214 transitions. [2023-11-23 21:23:30,570 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 21:23:30,571 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 214 transitions. [2023-11-23 21:23:30,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 21:23:30,572 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:23:30,572 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 21:23:30,573 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-23 21:23:30,573 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:23:30,573 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:23:30,573 INFO L85 PathProgramCache]: Analyzing trace with hash -292135848, now seen corresponding path program 1 times [2023-11-23 21:23:30,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:23:30,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595608714] [2023-11-23 21:23:30,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:23:30,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:23:30,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:23:30,680 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 21:23:30,680 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:23:30,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595608714] [2023-11-23 21:23:30,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595608714] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 21:23:30,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2139246461] [2023-11-23 21:23:30,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:23:30,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:23:30,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a15e82a6-2adc-4e77-9a82-3bacbfa69c14/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:23:30,689 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a15e82a6-2adc-4e77-9a82-3bacbfa69c14/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:23:30,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a15e82a6-2adc-4e77-9a82-3bacbfa69c14/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 21:23:30,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:23:30,802 INFO L262 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 21:23:30,808 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:23:30,859 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 21:23:30,860 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:23:30,908 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 21:23:30,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2139246461] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:23:30,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2015524928] [2023-11-23 21:23:30,929 INFO L159 IcfgInterpreter]: Started Sifa with 27 locations of interest [2023-11-23 21:23:30,929 INFO L166 IcfgInterpreter]: Building call graph [2023-11-23 21:23:30,933 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-23 21:23:30,938 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-23 21:23:30,939 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-11-23 21:23:32,200 INFO L197 IcfgInterpreter]: Interpreting procedure add_history_type with input of size 93 for LOIs [2023-11-23 21:23:35,636 INFO L197 IcfgInterpreter]: Interpreting procedure read_history_bool with input of size 108 for LOIs [2023-11-23 21:23:36,268 INFO L180 IcfgInterpreter]: Interpretation finished [2023-11-23 21:23:39,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [2015524928] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:23:39,795 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2023-11-23 21:23:39,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [4, 4, 4] total 21 [2023-11-23 21:23:39,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677977761] [2023-11-23 21:23:39,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:23:39,797 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-11-23 21:23:39,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:23:39,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-11-23 21:23:39,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=362, Unknown=0, NotChecked=0, Total=420 [2023-11-23 21:23:39,798 INFO L87 Difference]: Start difference. First operand 147 states and 214 transitions. Second operand has 18 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 14 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 21:23:44,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:23:44,861 INFO L93 Difference]: Finished difference Result 340 states and 497 transitions. [2023-11-23 21:23:44,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-11-23 21:23:44,862 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 14 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 21:23:44,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:23:44,865 INFO L225 Difference]: With dead ends: 340 [2023-11-23 21:23:44,865 INFO L226 Difference]: Without dead ends: 182 [2023-11-23 21:23:44,866 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 79 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 295 ImplicationChecksByTransitivity, 6.9s TimeCoverageRelationStatistics Valid=161, Invalid=1029, Unknown=0, NotChecked=0, Total=1190 [2023-11-23 21:23:44,867 INFO L413 NwaCegarLoop]: 168 mSDtfsCounter, 141 mSDsluCounter, 1383 mSDsCounter, 0 mSdLazyCounter, 752 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 1551 SdHoareTripleChecker+Invalid, 790 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 752 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-11-23 21:23:44,868 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 1551 Invalid, 790 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 752 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-11-23 21:23:44,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2023-11-23 21:23:44,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 169. [2023-11-23 21:23:44,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 123 states have (on average 1.3739837398373984) internal successors, (169), 126 states have internal predecessors, (169), 35 states have call successors, (35), 10 states have call predecessors, (35), 10 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2023-11-23 21:23:44,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 239 transitions. [2023-11-23 21:23:44,915 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 239 transitions. Word has length 32 [2023-11-23 21:23:44,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:23:44,916 INFO L495 AbstractCegarLoop]: Abstraction has 169 states and 239 transitions. [2023-11-23 21:23:44,916 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 14 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 21:23:44,916 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 239 transitions. [2023-11-23 21:23:44,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 21:23:44,917 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:23:44,918 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 21:23:44,933 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a15e82a6-2adc-4e77-9a82-3bacbfa69c14/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-23 21:23:45,124 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a15e82a6-2adc-4e77-9a82-3bacbfa69c14/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-11-23 21:23:45,125 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:23:45,126 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:23:45,126 INFO L85 PathProgramCache]: Analyzing trace with hash -704047609, now seen corresponding path program 1 times [2023-11-23 21:23:45,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:23:45,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425303494] [2023-11-23 21:23:45,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:23:45,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:23:45,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:23:45,196 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 21:23:45,196 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:23:45,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425303494] [2023-11-23 21:23:45,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1425303494] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 21:23:45,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2004071628] [2023-11-23 21:23:45,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:23:45,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:23:45,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a15e82a6-2adc-4e77-9a82-3bacbfa69c14/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:23:45,204 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a15e82a6-2adc-4e77-9a82-3bacbfa69c14/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:23:45,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a15e82a6-2adc-4e77-9a82-3bacbfa69c14/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-23 21:23:45,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:23:45,285 INFO L262 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 21:23:45,288 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:23:45,303 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 21:23:45,304 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:23:45,331 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 21:23:45,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2004071628] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:23:45,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [449870894] [2023-11-23 21:23:45,335 INFO L159 IcfgInterpreter]: Started Sifa with 29 locations of interest [2023-11-23 21:23:45,335 INFO L166 IcfgInterpreter]: Building call graph [2023-11-23 21:23:45,336 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-23 21:23:45,336 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-23 21:23:45,336 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-11-23 21:23:45,806 INFO L197 IcfgInterpreter]: Interpreting procedure add_history_type with input of size 88 for LOIs [2023-11-23 21:23:48,410 INFO L197 IcfgInterpreter]: Interpreting procedure read_history_bool with input of size 105 for LOIs [2023-11-23 21:23:48,867 INFO L180 IcfgInterpreter]: Interpretation finished [2023-11-23 21:23:52,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [449870894] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:23:52,246 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2023-11-23 21:23:52,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [4, 4, 4] total 21 [2023-11-23 21:23:52,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778082805] [2023-11-23 21:23:52,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:23:52,247 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-11-23 21:23:52,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:23:52,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-11-23 21:23:52,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=354, Unknown=0, NotChecked=0, Total=420 [2023-11-23 21:23:52,249 INFO L87 Difference]: Start difference. First operand 169 states and 239 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 21:23:55,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:23:55,989 INFO L93 Difference]: Finished difference Result 314 states and 448 transitions. [2023-11-23 21:23:55,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-23 21:23:55,990 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 21:23:55,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:23:55,992 INFO L225 Difference]: With dead ends: 314 [2023-11-23 21:23:55,992 INFO L226 Difference]: Without dead ends: 166 [2023-11-23 21:23:55,993 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 78 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 234 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=171, Invalid=821, Unknown=0, NotChecked=0, Total=992 [2023-11-23 21:23:55,994 INFO L413 NwaCegarLoop]: 163 mSDtfsCounter, 47 mSDsluCounter, 1096 mSDsCounter, 0 mSdLazyCounter, 762 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 1259 SdHoareTripleChecker+Invalid, 775 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 762 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-11-23 21:23:55,994 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 1259 Invalid, 775 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 762 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-11-23 21:23:55,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2023-11-23 21:23:56,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 161. [2023-11-23 21:23:56,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 117 states have (on average 1.3504273504273505) internal successors, (158), 120 states have internal predecessors, (158), 33 states have call successors, (33), 10 states have call predecessors, (33), 10 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-11-23 21:23:56,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 224 transitions. [2023-11-23 21:23:56,022 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 224 transitions. Word has length 32 [2023-11-23 21:23:56,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:23:56,023 INFO L495 AbstractCegarLoop]: Abstraction has 161 states and 224 transitions. [2023-11-23 21:23:56,023 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 21:23:56,023 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 224 transitions. [2023-11-23 21:23:56,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-23 21:23:56,025 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:23:56,026 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 21:23:56,054 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a15e82a6-2adc-4e77-9a82-3bacbfa69c14/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-23 21:23:56,244 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a15e82a6-2adc-4e77-9a82-3bacbfa69c14/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2023-11-23 21:23:56,245 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:23:56,245 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:23:56,245 INFO L85 PathProgramCache]: Analyzing trace with hash 271500241, now seen corresponding path program 1 times [2023-11-23 21:23:56,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:23:56,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328872428] [2023-11-23 21:23:56,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:23:56,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:23:56,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:23:56,371 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 21:23:56,371 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:23:56,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328872428] [2023-11-23 21:23:56,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [328872428] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 21:23:56,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [814084150] [2023-11-23 21:23:56,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:23:56,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:23:56,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a15e82a6-2adc-4e77-9a82-3bacbfa69c14/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:23:56,378 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a15e82a6-2adc-4e77-9a82-3bacbfa69c14/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:23:56,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a15e82a6-2adc-4e77-9a82-3bacbfa69c14/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-23 21:23:56,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:23:56,477 INFO L262 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 21:23:56,482 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:23:56,502 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 21:23:56,502 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:23:56,535 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 21:23:56,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [814084150] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:23:56,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [936392365] [2023-11-23 21:23:56,542 INFO L159 IcfgInterpreter]: Started Sifa with 36 locations of interest [2023-11-23 21:23:56,542 INFO L166 IcfgInterpreter]: Building call graph [2023-11-23 21:23:56,542 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-23 21:23:56,543 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-23 21:23:56,543 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-11-23 21:23:57,143 INFO L197 IcfgInterpreter]: Interpreting procedure add_history_type with input of size 88 for LOIs [2023-11-23 21:23:58,746 INFO L197 IcfgInterpreter]: Interpreting procedure read_history_bool with input of size 111 for LOIs [2023-11-23 21:23:59,626 INFO L180 IcfgInterpreter]: Interpretation finished [2023-11-23 21:24:04,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [936392365] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:24:04,916 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2023-11-23 21:24:04,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [4, 4, 4] total 24 [2023-11-23 21:24:04,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333757476] [2023-11-23 21:24:04,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:24:04,917 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-23 21:24:04,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:24:04,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-23 21:24:04,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=474, Unknown=0, NotChecked=0, Total=552 [2023-11-23 21:24:04,918 INFO L87 Difference]: Start difference. First operand 161 states and 224 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 21:24:08,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:24:08,302 INFO L93 Difference]: Finished difference Result 171 states and 234 transitions. [2023-11-23 21:24:08,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-11-23 21:24:08,304 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 21:24:08,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:24:08,304 INFO L225 Difference]: With dead ends: 171 [2023-11-23 21:24:08,305 INFO L226 Difference]: Without dead ends: 0 [2023-11-23 21:24:08,306 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 124 SyntacticMatches, 3 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 353 ImplicationChecksByTransitivity, 8.1s TimeCoverageRelationStatistics Valid=186, Invalid=1074, Unknown=0, NotChecked=0, Total=1260 [2023-11-23 21:24:08,307 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 35 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 340 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 340 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-23 21:24:08,307 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 76 Invalid, 347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 340 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-23 21:24:08,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-23 21:24:08,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-23 21:24:08,308 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 21:24:08,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-23 21:24:08,308 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 49 [2023-11-23 21:24:08,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:24:08,309 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-23 21:24:08,309 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 21:24:08,309 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-23 21:24:08,309 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-23 21:24:08,311 INFO L805 garLoopResultBuilder]: Registering result SAFE for location assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:24:08,324 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a15e82a6-2adc-4e77-9a82-3bacbfa69c14/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-23 21:24:08,512 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a15e82a6-2adc-4e77-9a82-3bacbfa69c14/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:24:08,514 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-23 21:24:15,226 INFO L902 garLoopResultBuilder]: At program point L116(line 116) the Hoare annotation is: true [2023-11-23 21:24:15,227 INFO L899 garLoopResultBuilder]: For program point read_history_int8FINAL(lines 101 120) no Hoare annotation was computed. [2023-11-23 21:24:15,227 INFO L899 garLoopResultBuilder]: For program point L116-1(line 116) no Hoare annotation was computed. [2023-11-23 21:24:15,227 INFO L899 garLoopResultBuilder]: For program point L106(lines 106 117) no Hoare annotation was computed. [2023-11-23 21:24:15,227 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 101 120) the Hoare annotation is: true [2023-11-23 21:24:15,227 INFO L899 garLoopResultBuilder]: For program point read_history_int8EXIT(lines 101 120) no Hoare annotation was computed. [2023-11-23 21:24:15,227 INFO L899 garLoopResultBuilder]: For program point L126(lines 126 157) no Hoare annotation was computed. [2023-11-23 21:24:15,227 INFO L899 garLoopResultBuilder]: For program point read_history_boolFINAL(lines 121 160) no Hoare annotation was computed. [2023-11-23 21:24:15,228 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 121 160) the Hoare annotation is: true [2023-11-23 21:24:15,228 INFO L899 garLoopResultBuilder]: For program point read_history_boolEXIT(lines 121 160) no Hoare annotation was computed. [2023-11-23 21:24:15,228 INFO L895 garLoopResultBuilder]: At program point L156(line 156) the Hoare annotation is: (let ((.cse0 (not (= |read_history_bool_#in~historyIndex| 0)))) (and (or (not (= 0 |read_history_bool_#in~history_id|)) .cse0) (or (< (+ ~votedValue_History_0~0 128) 0) (not (= ~g3v_old~0 0)) (not (= ~g3v_new~0 0)) (not (= ~g1v_new~0 0)) (< (+ ~votedValue_History_1~0 128) 0) (not (= ~g2v~0 0)) (< 127 ~VALUE2~0) (not (= ~g2v_new~0 0)) (not (= ~g1v_old~0 0)) (< (+ ~VALUE3~0 128) 0) (< (+ ~VALUE1~0 128) 0) (not (= ~g3v~0 0)) (< 127 ~VALUE1~0) (< 127 ~VALUE3~0) (not (= ~g2v_old~0 0)) (not (= (+ ~nomsg~0 1) 0)) (< |#StackHeapBarrier| 1) (< 127 ~votedValue_History_0~0) (< (+ ~VALUE2~0 128) 0) (< (+ ~votedValue_History_2~0 128) 0) (not (= ~g1v~0 0)) (< 127 ~votedValue_History_2~0) (< 127 ~votedValue_History_1~0) .cse0 (not (= |read_history_bool_#in~history_id| 1))))) [2023-11-23 21:24:15,228 INFO L899 garLoopResultBuilder]: For program point L156-1(line 156) no Hoare annotation was computed. [2023-11-23 21:24:15,229 INFO L899 garLoopResultBuilder]: For program point L146(lines 146 157) no Hoare annotation was computed. [2023-11-23 21:24:15,229 INFO L899 garLoopResultBuilder]: For program point L136(lines 136 157) no Hoare annotation was computed. [2023-11-23 21:24:15,229 INFO L899 garLoopResultBuilder]: For program point L529(lines 529 533) no Hoare annotation was computed. [2023-11-23 21:24:15,229 INFO L899 garLoopResultBuilder]: For program point L529-2(lines 524 535) no Hoare annotation was computed. [2023-11-23 21:24:15,229 INFO L899 garLoopResultBuilder]: For program point assertEXIT(lines 524 535) no Hoare annotation was computed. [2023-11-23 21:24:15,229 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 524 535) the Hoare annotation is: true [2023-11-23 21:24:15,229 INFO L899 garLoopResultBuilder]: For program point assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 531) no Hoare annotation was computed. [2023-11-23 21:24:15,229 INFO L899 garLoopResultBuilder]: For program point L531(line 531) no Hoare annotation was computed. [2023-11-23 21:24:15,230 INFO L899 garLoopResultBuilder]: For program point L448(lines 448 465) no Hoare annotation was computed. [2023-11-23 21:24:15,230 INFO L899 garLoopResultBuilder]: For program point L283(lines 283 285) no Hoare annotation was computed. [2023-11-23 21:24:15,230 INFO L895 garLoopResultBuilder]: At program point L217(line 217) the Hoare annotation is: false [2023-11-23 21:24:15,230 INFO L899 garLoopResultBuilder]: For program point L217-1(line 217) no Hoare annotation was computed. [2023-11-23 21:24:15,230 INFO L899 garLoopResultBuilder]: For program point L300(line 300) no Hoare annotation was computed. [2023-11-23 21:24:15,230 INFO L899 garLoopResultBuilder]: For program point L218(lines 218 220) no Hoare annotation was computed. [2023-11-23 21:24:15,230 INFO L899 garLoopResultBuilder]: For program point L301(lines 301 319) no Hoare annotation was computed. [2023-11-23 21:24:15,231 INFO L895 garLoopResultBuilder]: At program point L268(line 268) the Hoare annotation is: false [2023-11-23 21:24:15,231 INFO L895 garLoopResultBuilder]: At program point L301-1(lines 301 319) the Hoare annotation is: false [2023-11-23 21:24:15,231 INFO L899 garLoopResultBuilder]: For program point L268-1(line 268) no Hoare annotation was computed. [2023-11-23 21:24:15,231 INFO L895 garLoopResultBuilder]: At program point L302(line 302) the Hoare annotation is: false [2023-11-23 21:24:15,231 INFO L899 garLoopResultBuilder]: For program point L302-1(line 302) no Hoare annotation was computed. [2023-11-23 21:24:15,231 INFO L895 garLoopResultBuilder]: At program point L269-2(lines 269 271) the Hoare annotation is: false [2023-11-23 21:24:15,231 INFO L895 garLoopResultBuilder]: At program point L517(line 517) the Hoare annotation is: false [2023-11-23 21:24:15,232 INFO L899 garLoopResultBuilder]: For program point L517-1(line 517) no Hoare annotation was computed. [2023-11-23 21:24:15,232 INFO L899 garLoopResultBuilder]: For program point L303(lines 303 318) no Hoare annotation was computed. [2023-11-23 21:24:15,232 INFO L895 garLoopResultBuilder]: At program point L171(line 171) the Hoare annotation is: false [2023-11-23 21:24:15,232 INFO L899 garLoopResultBuilder]: For program point L171-1(lines 161 175) no Hoare annotation was computed. [2023-11-23 21:24:15,232 INFO L899 garLoopResultBuilder]: For program point L320(line 320) no Hoare annotation was computed. [2023-11-23 21:24:15,232 INFO L895 garLoopResultBuilder]: At program point L221(line 221) the Hoare annotation is: false [2023-11-23 21:24:15,233 INFO L899 garLoopResultBuilder]: For program point L221-1(line 221) no Hoare annotation was computed. [2023-11-23 21:24:15,233 INFO L895 garLoopResultBuilder]: At program point L304(line 304) the Hoare annotation is: false [2023-11-23 21:24:15,233 INFO L899 garLoopResultBuilder]: For program point L304-1(line 304) no Hoare annotation was computed. [2023-11-23 21:24:15,233 INFO L899 garLoopResultBuilder]: For program point L321(lines 321 332) no Hoare annotation was computed. [2023-11-23 21:24:15,233 INFO L899 garLoopResultBuilder]: For program point L321-1(lines 321 332) no Hoare annotation was computed. [2023-11-23 21:24:15,233 INFO L899 garLoopResultBuilder]: For program point L305(lines 305 317) no Hoare annotation was computed. [2023-11-23 21:24:15,234 INFO L899 garLoopResultBuilder]: For program point L272(line 272) no Hoare annotation was computed. [2023-11-23 21:24:15,234 INFO L895 garLoopResultBuilder]: At program point L322(line 322) the Hoare annotation is: false [2023-11-23 21:24:15,234 INFO L899 garLoopResultBuilder]: For program point L322-1(line 322) no Hoare annotation was computed. [2023-11-23 21:24:15,234 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-23 21:24:15,234 INFO L895 garLoopResultBuilder]: At program point L504-2(lines 504 520) the Hoare annotation is: false [2023-11-23 21:24:15,234 INFO L895 garLoopResultBuilder]: At program point L306(line 306) the Hoare annotation is: false [2023-11-23 21:24:15,234 INFO L899 garLoopResultBuilder]: For program point L306-1(line 306) no Hoare annotation was computed. [2023-11-23 21:24:15,235 INFO L895 garLoopResultBuilder]: At program point L273-2(lines 273 275) the Hoare annotation is: false [2023-11-23 21:24:15,235 INFO L899 garLoopResultBuilder]: For program point L455(lines 455 465) no Hoare annotation was computed. [2023-11-23 21:24:15,235 INFO L899 garLoopResultBuilder]: For program point L323(lines 323 331) no Hoare annotation was computed. [2023-11-23 21:24:15,235 INFO L895 garLoopResultBuilder]: At program point L406(line 406) the Hoare annotation is: false [2023-11-23 21:24:15,235 INFO L899 garLoopResultBuilder]: For program point L406-1(lines 404 427) no Hoare annotation was computed. [2023-11-23 21:24:15,235 INFO L899 garLoopResultBuilder]: For program point L307(lines 307 314) no Hoare annotation was computed. [2023-11-23 21:24:15,236 INFO L895 garLoopResultBuilder]: At program point L324(line 324) the Hoare annotation is: false [2023-11-23 21:24:15,236 INFO L899 garLoopResultBuilder]: For program point L324-1(line 324) no Hoare annotation was computed. [2023-11-23 21:24:15,236 INFO L895 garLoopResultBuilder]: At program point L308(line 308) the Hoare annotation is: false [2023-11-23 21:24:15,236 INFO L899 garLoopResultBuilder]: For program point L308-1(line 308) no Hoare annotation was computed. [2023-11-23 21:24:15,236 INFO L895 garLoopResultBuilder]: At program point L209(line 209) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (<= 0 (+ ~VALUE3~0 128)) (= (select |#length| 3) 12) (<= 1 |#StackHeapBarrier|) (= ~g1v_old~0 0) (= 51 (select |#length| 2)) (= ~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 21:24:15,237 INFO L899 garLoopResultBuilder]: For program point L209-1(line 209) no Hoare annotation was computed. [2023-11-23 21:24:15,237 INFO L899 garLoopResultBuilder]: For program point L325(lines 325 330) no Hoare annotation was computed. [2023-11-23 21:24:15,237 INFO L899 garLoopResultBuilder]: For program point L441(lines 441 465) no Hoare annotation was computed. [2023-11-23 21:24:15,237 INFO L895 garLoopResultBuilder]: At program point L375(line 375) the Hoare annotation is: false [2023-11-23 21:24:15,237 INFO L899 garLoopResultBuilder]: For program point L375-1(lines 373 396) no Hoare annotation was computed. [2023-11-23 21:24:15,237 INFO L899 garLoopResultBuilder]: For program point L309(lines 309 311) no Hoare annotation was computed. [2023-11-23 21:24:15,238 INFO L899 garLoopResultBuilder]: For program point L276(line 276) no Hoare annotation was computed. [2023-11-23 21:24:15,238 INFO L899 garLoopResultBuilder]: For program point L210(lines 210 212) no Hoare annotation was computed. [2023-11-23 21:24:15,238 INFO L899 garLoopResultBuilder]: For program point L458(lines 458 465) no Hoare annotation was computed. [2023-11-23 21:24:15,238 INFO L895 garLoopResultBuilder]: At program point L326(line 326) the Hoare annotation is: false [2023-11-23 21:24:15,238 INFO L899 garLoopResultBuilder]: For program point L326-1(line 326) no Hoare annotation was computed. [2023-11-23 21:24:15,238 INFO L895 garLoopResultBuilder]: At program point L260-1(line 260) the Hoare annotation is: false [2023-11-23 21:24:15,238 INFO L899 garLoopResultBuilder]: For program point L277-2(lines 266 297) no Hoare annotation was computed. [2023-11-23 21:24:15,239 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-23 21:24:15,239 INFO L899 garLoopResultBuilder]: For program point L327(lines 327 329) no Hoare annotation was computed. [2023-11-23 21:24:15,239 INFO L899 garLoopResultBuilder]: For program point L261(line 261) no Hoare annotation was computed. [2023-11-23 21:24:15,239 INFO L895 garLoopResultBuilder]: At program point L344(line 344) the Hoare annotation is: false [2023-11-23 21:24:15,239 INFO L899 garLoopResultBuilder]: For program point L344-1(lines 342 365) no Hoare annotation was computed. [2023-11-23 21:24:15,239 INFO L899 garLoopResultBuilder]: For program point L262(lines 262 299) no Hoare annotation was computed. [2023-11-23 21:24:15,240 INFO L895 garLoopResultBuilder]: At program point L262-1(lines 262 299) the Hoare annotation is: false [2023-11-23 21:24:15,240 INFO L895 garLoopResultBuilder]: At program point L213(line 213) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (<= 0 (+ ~VALUE3~0 128)) (= (select |#length| 3) 12) (<= 1 |#StackHeapBarrier|) (= ~g1v_old~0 0) (= 51 (select |#length| 2)) (= ~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 21:24:15,240 INFO L899 garLoopResultBuilder]: For program point L213-1(line 213) no Hoare annotation was computed. [2023-11-23 21:24:15,240 INFO L899 garLoopResultBuilder]: For program point L461(lines 461 465) no Hoare annotation was computed. [2023-11-23 21:24:15,240 INFO L895 garLoopResultBuilder]: At program point L263(line 263) the Hoare annotation is: false [2023-11-23 21:24:15,241 INFO L899 garLoopResultBuilder]: For program point L263-1(line 263) no Hoare annotation was computed. [2023-11-23 21:24:15,241 INFO L899 garLoopResultBuilder]: For program point L214(lines 214 216) no Hoare annotation was computed. [2023-11-23 21:24:15,241 INFO L899 garLoopResultBuilder]: For program point L264(lines 264 298) no Hoare annotation was computed. [2023-11-23 21:24:15,241 INFO L899 garLoopResultBuilder]: For program point L281(lines 281 291) no Hoare annotation was computed. [2023-11-23 21:24:15,241 INFO L899 garLoopResultBuilder]: For program point check_returnLabel#1(lines 228 335) no Hoare annotation was computed. [2023-11-23 21:24:15,241 INFO L895 garLoopResultBuilder]: At program point L265(line 265) the Hoare annotation is: false [2023-11-23 21:24:15,242 INFO L899 garLoopResultBuilder]: For program point L265-1(line 265) no Hoare annotation was computed. [2023-11-23 21:24:15,242 INFO L899 garLoopResultBuilder]: For program point L166(lines 166 172) no Hoare annotation was computed. [2023-11-23 21:24:15,242 INFO L899 garLoopResultBuilder]: For program point L282(lines 282 288) no Hoare annotation was computed. [2023-11-23 21:24:15,242 INFO L895 garLoopResultBuilder]: At program point L464(line 464) the Hoare annotation is: false [2023-11-23 21:24:15,242 INFO L899 garLoopResultBuilder]: For program point init_returnLabel#1(lines 201 227) no Hoare annotation was computed. [2023-11-23 21:24:15,242 INFO L899 garLoopResultBuilder]: For program point L464-1(lines 441 465) no Hoare annotation was computed. [2023-11-23 21:24:15,242 INFO L899 garLoopResultBuilder]: For program point L266(lines 266 297) no Hoare annotation was computed. [2023-11-23 21:24:15,243 INFO L899 garLoopResultBuilder]: For program point $Ultimate##123(lines 294 296) no Hoare annotation was computed. [2023-11-23 21:24:15,243 INFO L895 garLoopResultBuilder]: At program point L85(line 85) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (or (not (= (select .cse0 0) 48)) (not (= 2 (select |#length| 1))) (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)) (not (= 51 (select |#length| 2))))) [2023-11-23 21:24:15,243 INFO L899 garLoopResultBuilder]: For program point L85-1(line 85) no Hoare annotation was computed. [2023-11-23 21:24:15,244 INFO L895 garLoopResultBuilder]: At program point L73(line 73) the Hoare annotation is: (let ((.cse0 (not (= |add_history_type_#in~history_id| 0))) (.cse11 (select |#memory_int| 1))) (let ((.cse1 (not (= (select .cse11 0) 48))) (.cse2 (not (= 2 (select |#length| 1)))) (.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 .cse0 .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))) (.cse10 (not (= 51 (select |#length| 2))))) (and (or .cse0 .cse1 .cse2 (and (<= 0 add_history_type_~var~0) (= add_history_type_~ini_bool~0 0) (= (+ 2 add_history_type_~ini_int~0) 0)) .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (or .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (and (<= add_history_type_~var~0 2) (= add_history_type_~history_id 0)) .cse8 .cse9 .cse10)))) [2023-11-23 21:24:15,244 INFO L899 garLoopResultBuilder]: For program point L73-1(line 73) no Hoare annotation was computed. [2023-11-23 21:24:15,244 INFO L899 garLoopResultBuilder]: For program point L90(lines 90 95) no Hoare annotation was computed. [2023-11-23 21:24:15,244 INFO L899 garLoopResultBuilder]: For program point L90-2(lines 72 95) no Hoare annotation was computed. [2023-11-23 21:24:15,244 INFO L899 garLoopResultBuilder]: For program point L86(lines 86 88) no Hoare annotation was computed. [2023-11-23 21:24:15,245 INFO L899 garLoopResultBuilder]: For program point L78(lines 78 95) no Hoare annotation was computed. [2023-11-23 21:24:15,245 INFO L899 garLoopResultBuilder]: For program point L74(lines 74 76) no Hoare annotation was computed. [2023-11-23 21:24:15,245 INFO L895 garLoopResultBuilder]: At program point L91(line 91) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (or (not (= (select .cse0 0) 48)) (not (= 2 (select |#length| 1))) (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)) (not (= 51 (select |#length| 2))))) [2023-11-23 21:24:15,245 INFO L899 garLoopResultBuilder]: For program point L91-1(line 91) no Hoare annotation was computed. [2023-11-23 21:24:15,246 INFO L899 garLoopResultBuilder]: For program point add_history_typeEXIT(lines 57 100) no Hoare annotation was computed. [2023-11-23 21:24:15,246 INFO L895 garLoopResultBuilder]: At program point L79(line 79) 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 |#valid| 3) 1))) (.cse3 (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)))) (.cse4 (not (= (select |#length| 3) 12))) (.cse5 (not (= (select |#valid| 0) 0))) (.cse6 (not (= (select .cse11 1) 0))) (.cse7 (not (= (select |#valid| 1) 1))) (.cse8 (not (= (select |#valid| 2) 1))) (.cse9 (not (= 51 (select |#length| 2))))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 (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 1) (= (+ 2 add_history_type_~ini_int~0) 0))) (or .cse10 .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9)))) [2023-11-23 21:24:15,246 INFO L899 garLoopResultBuilder]: For program point L79-1(line 79) no Hoare annotation was computed. [2023-11-23 21:24:15,247 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 57 100) the Hoare annotation is: true [2023-11-23 21:24:15,247 INFO L895 garLoopResultBuilder]: At program point L71-2(lines 71 97) the Hoare annotation is: (let ((.cse0 (not (= |add_history_type_#in~history_id| 0))) (.cse12 (select |#memory_int| 1))) (let ((.cse1 (not (= (select .cse12 0) 48))) (.cse2 (not (= 2 (select |#length| 1)))) (.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 .cse0 .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))) (.cse10 (not (= (select |#valid| 2) 1))) (.cse11 (not (= 51 (select |#length| 2))))) (and (let ((.cse9 (= add_history_type_~history_id 0))) (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (and (= add_history_type_~tmp~0 0) .cse9) (and (= add_history_type_~var~0 0) .cse9) .cse10 .cse11)) (or .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)) .cse10 .cse11)))) [2023-11-23 21:24:15,247 INFO L899 garLoopResultBuilder]: For program point L92(lines 92 94) no Hoare annotation was computed. [2023-11-23 21:24:15,247 INFO L899 garLoopResultBuilder]: For program point L84(lines 84 95) no Hoare annotation was computed. [2023-11-23 21:24:15,248 INFO L899 garLoopResultBuilder]: For program point L80(lines 80 82) no Hoare annotation was computed. [2023-11-23 21:24:15,248 INFO L899 garLoopResultBuilder]: For program point L72(lines 72 95) no Hoare annotation was computed. [2023-11-23 21:24:15,248 INFO L899 garLoopResultBuilder]: For program point add_history_typeFINAL(lines 57 100) no Hoare annotation was computed. [2023-11-23 21:24:15,248 INFO L899 garLoopResultBuilder]: For program point L191(lines 191 197) no Hoare annotation was computed. [2023-11-23 21:24:15,248 INFO L899 garLoopResultBuilder]: For program point L186(lines 186 197) no Hoare annotation was computed. [2023-11-23 21:24:15,249 INFO L899 garLoopResultBuilder]: For program point write_history_boolEXIT(lines 176 200) no Hoare annotation was computed. [2023-11-23 21:24:15,249 INFO L899 garLoopResultBuilder]: For program point L181(lines 181 197) no Hoare annotation was computed. [2023-11-23 21:24:15,249 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 176 200) the Hoare annotation is: true [2023-11-23 21:24:15,249 INFO L902 garLoopResultBuilder]: At program point L196(line 196) the Hoare annotation is: true [2023-11-23 21:24:15,249 INFO L899 garLoopResultBuilder]: For program point L196-1(lines 176 200) no Hoare annotation was computed. [2023-11-23 21:24:15,253 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:24:15,256 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:24:15,278 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][0] could not be translated [2023-11-23 21:24:15,279 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[1] could not be translated [2023-11-23 21:24:15,279 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[3] could not be translated [2023-11-23 21:24:15,282 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[3] could not be translated [2023-11-23 21:24:15,282 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[0] could not be translated [2023-11-23 21:24:15,282 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][1] could not be translated [2023-11-23 21:24:15,283 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[1] could not be translated [2023-11-23 21:24:15,283 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[2] could not be translated [2023-11-23 21:24:15,283 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[2] could not be translated [2023-11-23 21:24:15,284 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][0] could not be translated [2023-11-23 21:24:15,284 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[1] could not be translated [2023-11-23 21:24:15,284 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[3] could not be translated [2023-11-23 21:24:15,287 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[3] could not be translated [2023-11-23 21:24:15,287 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[0] could not be translated [2023-11-23 21:24:15,287 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][1] could not be translated [2023-11-23 21:24:15,287 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[1] could not be translated [2023-11-23 21:24:15,288 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[2] could not be translated [2023-11-23 21:24:15,288 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[2] could not be translated [2023-11-23 21:24:15,289 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:24:15 BoogieIcfgContainer [2023-11-23 21:24:15,289 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:24:15,289 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:24:15,290 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:24:15,290 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:24:15,290 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:23:28" (3/4) ... [2023-11-23 21:24:15,293 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-23 21:24:15,296 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure read_history_int8 [2023-11-23 21:24:15,297 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure read_history_bool [2023-11-23 21:24:15,297 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assert [2023-11-23 21:24:15,297 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure add_history_type [2023-11-23 21:24:15,298 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure write_history_bool [2023-11-23 21:24:15,314 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 52 nodes and edges [2023-11-23 21:24:15,315 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2023-11-23 21:24:15,317 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-23 21:24:15,319 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 21:24:15,495 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a15e82a6-2adc-4e77-9a82-3bacbfa69c14/bin/utaipan-verify-mE87zJ7Ire/witness.graphml [2023-11-23 21:24:15,496 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a15e82a6-2adc-4e77-9a82-3bacbfa69c14/bin/utaipan-verify-mE87zJ7Ire/witness.yml [2023-11-23 21:24:15,496 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:24:15,497 INFO L158 Benchmark]: Toolchain (without parser) took 48307.41ms. Allocated memory was 159.4MB in the beginning and 650.1MB in the end (delta: 490.7MB). Free memory was 128.5MB in the beginning and 513.9MB in the end (delta: -385.4MB). Peak memory consumption was 106.7MB. Max. memory is 16.1GB. [2023-11-23 21:24:15,498 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 123.7MB. Free memory was 82.2MB in the beginning and 82.0MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:24:15,498 INFO L158 Benchmark]: CACSL2BoogieTranslator took 410.67ms. Allocated memory is still 159.4MB. Free memory was 128.5MB in the beginning and 112.0MB in the end (delta: 16.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-23 21:24:15,499 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.73ms. Allocated memory is still 159.4MB. Free memory was 112.0MB in the beginning and 108.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 21:24:15,499 INFO L158 Benchmark]: Boogie Preprocessor took 47.23ms. Allocated memory is still 159.4MB. Free memory was 108.9MB in the beginning and 106.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:24:15,500 INFO L158 Benchmark]: RCFGBuilder took 1184.02ms. Allocated memory is still 159.4MB. Free memory was 106.5MB in the beginning and 108.2MB in the end (delta: -1.7MB). Peak memory consumption was 44.3MB. Max. memory is 16.1GB. [2023-11-23 21:24:15,500 INFO L158 Benchmark]: TraceAbstraction took 46379.83ms. Allocated memory was 159.4MB in the beginning and 650.1MB in the end (delta: 490.7MB). Free memory was 107.5MB in the beginning and 525.4MB in the end (delta: -417.9MB). Peak memory consumption was 377.3MB. Max. memory is 16.1GB. [2023-11-23 21:24:15,501 INFO L158 Benchmark]: Witness Printer took 207.04ms. Allocated memory is still 650.1MB. Free memory was 525.4MB in the beginning and 513.9MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-23 21:24:15,503 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 123.7MB. Free memory was 82.2MB in the beginning and 82.0MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 410.67ms. Allocated memory is still 159.4MB. Free memory was 128.5MB in the beginning and 112.0MB in the end (delta: 16.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.73ms. Allocated memory is still 159.4MB. Free memory was 112.0MB in the beginning and 108.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.23ms. Allocated memory is still 159.4MB. Free memory was 108.9MB in the beginning and 106.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1184.02ms. Allocated memory is still 159.4MB. Free memory was 106.5MB in the beginning and 108.2MB in the end (delta: -1.7MB). Peak memory consumption was 44.3MB. Max. memory is 16.1GB. * TraceAbstraction took 46379.83ms. Allocated memory was 159.4MB in the beginning and 650.1MB in the end (delta: 490.7MB). Free memory was 107.5MB in the beginning and 525.4MB in the end (delta: -417.9MB). Peak memory consumption was 377.3MB. Max. memory is 16.1GB. * Witness Printer took 207.04ms. Allocated memory is still 650.1MB. Free memory was 525.4MB in the beginning and 513.9MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. 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 #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 #length[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 #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 #length[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: 531]: 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 6 procedures, 130 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 46.3s, OverallIterations: 8, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 12.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 294 SdHoareTripleChecker+Valid, 3.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 273 mSDsluCounter, 5359 SdHoareTripleChecker+Invalid, 3.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4120 mSDsCounter, 69 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2143 IncrementalHoareTripleChecker+Invalid, 2212 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 69 mSolverCounterUnsat, 1239 mSDtfsCounter, 2143 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 404 GetRequests, 291 SyntacticMatches, 5 SemanticMatches, 108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 882 ImplicationChecksByTransitivity, 20.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=169occurred in iteration=6, InterpolantAutomatonStates: 95, 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, 51 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 39 LocationsWithAnnotation, 554 PreInvPairs, 577 NumberOfFragments, 2550 HoareAnnotationTreeSize, 554 FomulaSimplifications, 4792 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 39 FomulaSimplificationsInter, 6551 FormulaSimplificationTreeSizeReductionInter, 6.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 331 NumberOfCodeBlocks, 331 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 430 ConstructedInterpolants, 0 QuantifiedInterpolants, 578 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: 12.0s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 9, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 104, DAG_INTERPRETER_EARLY_EXITS: 4, TOOLS_POST_APPLICATIONS: 193, TOOLS_POST_TIME: 6.1s, TOOLS_POST_CALL_APPLICATIONS: 75, TOOLS_POST_CALL_TIME: 1.8s, TOOLS_POST_RETURN_APPLICATIONS: 64, TOOLS_POST_RETURN_TIME: 1.7s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 332, TOOLS_QUANTIFIERELIM_TIME: 9.5s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.2s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 396, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 69, DOMAIN_JOIN_TIME: 1.6s, 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: 5.2s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 5.2s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 18, CALL_SUMMARIZER_APPLICATIONS: 64, CALL_SUMMARIZER_CACHE_MISSES: 6, CALL_SUMMARIZER_OVERALL_TIME: 1.2s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 1.2s, 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: 1095, DAG_COMPRESSION_RETAINED_NODES: 243, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 504]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: null RESULT: Ultimate proved your program to be correct! [2023-11-23 21:24:15,541 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a15e82a6-2adc-4e77-9a82-3bacbfa69c14/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