./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_Triplicated.1.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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af2f2261-c746-4eac-bf17-e83301d2f49a/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af2f2261-c746-4eac-bf17-e83301d2f49a/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_af2f2261-c746-4eac-bf17-e83301d2f49a/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af2f2261-c746-4eac-bf17-e83301d2f49a/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_Triplicated.1.ufo.BOUNDED-10.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af2f2261-c746-4eac-bf17-e83301d2f49a/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_af2f2261-c746-4eac-bf17-e83301d2f49a/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 d6dd7af8c681da9a32811252853803422c95f4df19741eb4bc23f2d0511fe647 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:19:42,635 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:19:42,718 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af2f2261-c746-4eac-bf17-e83301d2f49a/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:19:42,724 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:19:42,725 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:19:42,751 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:19:42,752 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:19:42,753 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:19:42,753 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:19:42,754 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:19:42,755 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:19:42,755 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:19:42,756 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:19:42,756 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:19:42,757 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:19:42,758 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:19:42,758 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:19:42,759 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:19:42,759 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:19:42,760 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:19:42,760 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:19:42,761 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:19:42,762 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:19:42,763 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:19:42,763 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:19:42,764 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:19:42,765 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:19:42,765 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:19:42,766 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:19:42,766 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:19:42,767 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:19:42,767 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:19:42,768 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:19:42,768 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:19:42,769 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:19:42,769 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:19:42,770 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:19:42,770 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:19:42,771 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:19:42,771 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:19:42,772 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:19:42,772 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:19:42,772 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:19:42,773 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:19:42,773 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:19:42,773 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:19:42,773 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:19:42,774 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_af2f2261-c746-4eac-bf17-e83301d2f49a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af2f2261-c746-4eac-bf17-e83301d2f49a/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d6dd7af8c681da9a32811252853803422c95f4df19741eb4bc23f2d0511fe647 [2023-11-23 21:19:43,058 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:19:43,090 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:19:43,093 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:19:43,096 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:19:43,097 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:19:43,099 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af2f2261-c746-4eac-bf17-e83301d2f49a/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_Triplicated.1.ufo.BOUNDED-10.pals.c [2023-11-23 21:19:46,572 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:19:46,881 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:19:46,881 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af2f2261-c746-4eac-bf17-e83301d2f49a/sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_Triplicated.1.ufo.BOUNDED-10.pals.c [2023-11-23 21:19:46,899 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af2f2261-c746-4eac-bf17-e83301d2f49a/bin/utaipan-verify-mE87zJ7Ire/data/e38d2b99a/28b9cd334832470f88051f146101467c/FLAG558f2923f [2023-11-23 21:19:46,915 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af2f2261-c746-4eac-bf17-e83301d2f49a/bin/utaipan-verify-mE87zJ7Ire/data/e38d2b99a/28b9cd334832470f88051f146101467c [2023-11-23 21:19:46,918 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:19:46,919 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:19:46,921 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:19:46,921 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:19:46,926 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:19:46,926 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:19:46" (1/1) ... [2023-11-23 21:19:46,928 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68584cd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:46, skipping insertion in model container [2023-11-23 21:19:46,928 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:19:46" (1/1) ... [2023-11-23 21:19:46,967 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:19:47,249 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_af2f2261-c746-4eac-bf17-e83301d2f49a/sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_Triplicated.1.ufo.BOUNDED-10.pals.c[11956,11969] [2023-11-23 21:19:47,253 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:19:47,265 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:19:47,346 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_af2f2261-c746-4eac-bf17-e83301d2f49a/sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_Triplicated.1.ufo.BOUNDED-10.pals.c[11956,11969] [2023-11-23 21:19:47,347 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:19:47,386 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:19:47,386 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:47 WrapperNode [2023-11-23 21:19:47,387 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:19:47,388 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:19:47,388 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:19:47,388 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:19:47,394 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:47" (1/1) ... [2023-11-23 21:19:47,408 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:47" (1/1) ... [2023-11-23 21:19:47,446 INFO L138 Inliner]: procedures = 27, calls = 46, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 412 [2023-11-23 21:19:47,447 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:19:47,448 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:19:47,458 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:19:47,458 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:19:47,469 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:47" (1/1) ... [2023-11-23 21:19:47,469 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:47" (1/1) ... [2023-11-23 21:19:47,478 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:47" (1/1) ... [2023-11-23 21:19:47,478 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:47" (1/1) ... [2023-11-23 21:19:47,493 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:47" (1/1) ... [2023-11-23 21:19:47,500 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:47" (1/1) ... [2023-11-23 21:19:47,503 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:47" (1/1) ... [2023-11-23 21:19:47,507 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:47" (1/1) ... [2023-11-23 21:19:47,524 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:19:47,539 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:19:47,539 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:19:47,539 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:19:47,540 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:47" (1/1) ... [2023-11-23 21:19:47,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:19:47,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af2f2261-c746-4eac-bf17-e83301d2f49a/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:19:47,596 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af2f2261-c746-4eac-bf17-e83301d2f49a/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:19:47,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af2f2261-c746-4eac-bf17-e83301d2f49a/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:19:47,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:19:47,644 INFO L130 BoogieDeclarations]: Found specification of procedure write_history_bool [2023-11-23 21:19:47,645 INFO L138 BoogieDeclarations]: Found implementation of procedure write_history_bool [2023-11-23 21:19:47,646 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2023-11-23 21:19:47,647 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2023-11-23 21:19:47,647 INFO L130 BoogieDeclarations]: Found specification of procedure read_history_int8 [2023-11-23 21:19:47,648 INFO L138 BoogieDeclarations]: Found implementation of procedure read_history_int8 [2023-11-23 21:19:47,648 INFO L130 BoogieDeclarations]: Found specification of procedure read_history_bool [2023-11-23 21:19:47,648 INFO L138 BoogieDeclarations]: Found implementation of procedure read_history_bool [2023-11-23 21:19:47,648 INFO L130 BoogieDeclarations]: Found specification of procedure add_history_type [2023-11-23 21:19:47,648 INFO L138 BoogieDeclarations]: Found implementation of procedure add_history_type [2023-11-23 21:19:47,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:19:47,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:19:47,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:19:47,806 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:19:47,808 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:19:48,410 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:19:48,721 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:19:48,721 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 21:19:48,723 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:19:48 BoogieIcfgContainer [2023-11-23 21:19:48,724 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:19:48,727 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:19:48,728 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:19:48,731 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:19:48,731 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:19:46" (1/3) ... [2023-11-23 21:19:48,732 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ac82167 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:19:48, skipping insertion in model container [2023-11-23 21:19:48,733 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:47" (2/3) ... [2023-11-23 21:19:48,735 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ac82167 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:19:48, skipping insertion in model container [2023-11-23 21:19:48,735 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:19:48" (3/3) ... [2023-11-23 21:19:48,736 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_STARTPALS_Triplicated.1.ufo.BOUNDED-10.pals.c [2023-11-23 21:19:48,758 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:19:48,758 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:19:48,841 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:19:48,848 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;@15a7c08b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:19:48,848 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:19:48,853 INFO L276 IsEmpty]: Start isEmpty. Operand has 131 states, 92 states have (on average 1.5) internal successors, (138), 96 states have internal predecessors, (138), 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 21:19:48,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 21:19:48,862 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:19:48,862 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:19:48,863 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:19:48,868 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:19:48,868 INFO L85 PathProgramCache]: Analyzing trace with hash -409509753, now seen corresponding path program 1 times [2023-11-23 21:19:48,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:19:48,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165305383] [2023-11-23 21:19:48,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:19:48,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:19:48,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:19:49,166 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 21:19:49,167 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:19:49,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165305383] [2023-11-23 21:19:49,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [165305383] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:19:49,168 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:19:49,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 21:19:49,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296855425] [2023-11-23 21:19:49,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:19:49,176 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:19:49,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:19:49,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:19:49,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:19:49,219 INFO L87 Difference]: Start difference. First operand has 131 states, 92 states have (on average 1.5) internal successors, (138), 96 states have internal predecessors, (138), 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 21:19:49,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:19:49,396 INFO L93 Difference]: Finished difference Result 266 states and 444 transitions. [2023-11-23 21:19:49,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 21:19:49,399 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 21:19:49,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:19:49,416 INFO L225 Difference]: With dead ends: 266 [2023-11-23 21:19:49,417 INFO L226 Difference]: Without dead ends: 136 [2023-11-23 21:19:49,425 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 21:19:49,430 INFO L413 NwaCegarLoop]: 179 mSDtfsCounter, 6 mSDsluCounter, 346 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 525 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 21:19:49,431 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 525 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 21:19:49,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2023-11-23 21:19:49,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 134. [2023-11-23 21:19:49,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 95 states have (on average 1.4631578947368422) internal successors, (139), 98 states have internal predecessors, (139), 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 21:19:49,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 203 transitions. [2023-11-23 21:19:49,497 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 203 transitions. Word has length 14 [2023-11-23 21:19:49,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:19:49,498 INFO L495 AbstractCegarLoop]: Abstraction has 134 states and 203 transitions. [2023-11-23 21:19:49,498 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 21:19:49,499 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 203 transitions. [2023-11-23 21:19:49,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 21:19:49,501 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:19:49,501 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:19:49,502 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:19:49,502 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:19:49,503 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:19:49,503 INFO L85 PathProgramCache]: Analyzing trace with hash 247426362, now seen corresponding path program 1 times [2023-11-23 21:19:49,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:19:49,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134610145] [2023-11-23 21:19:49,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:19:49,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:19:49,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:19:49,628 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 21:19:49,628 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:19:49,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134610145] [2023-11-23 21:19:49,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2134610145] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:19:49,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:19:49,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 21:19:49,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128183288] [2023-11-23 21:19:49,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:19:49,635 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:19:49,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:19:49,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:19:49,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:19:49,637 INFO L87 Difference]: Start difference. First operand 134 states and 203 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 21:19:49,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:19:49,823 INFO L93 Difference]: Finished difference Result 280 states and 428 transitions. [2023-11-23 21:19:49,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 21:19:49,824 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 21:19:49,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:19:49,827 INFO L225 Difference]: With dead ends: 280 [2023-11-23 21:19:49,830 INFO L226 Difference]: Without dead ends: 148 [2023-11-23 21:19:49,832 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 21:19:49,835 INFO L413 NwaCegarLoop]: 182 mSDtfsCounter, 22 mSDsluCounter, 353 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 535 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 21:19:49,837 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 535 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 21:19:49,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2023-11-23 21:19:49,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 146. [2023-11-23 21:19:49,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 105 states have (on average 1.4476190476190476) internal successors, (152), 108 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 21:19:49,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 218 transitions. [2023-11-23 21:19:49,883 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 218 transitions. Word has length 15 [2023-11-23 21:19:49,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:19:49,884 INFO L495 AbstractCegarLoop]: Abstraction has 146 states and 218 transitions. [2023-11-23 21:19:49,885 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 21:19:49,885 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 218 transitions. [2023-11-23 21:19:49,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 21:19:49,889 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:19:49,890 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 21:19:49,890 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 21:19:49,891 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:19:49,896 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:19:49,901 INFO L85 PathProgramCache]: Analyzing trace with hash 1934572490, now seen corresponding path program 1 times [2023-11-23 21:19:49,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:19:49,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368456853] [2023-11-23 21:19:49,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:19:49,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:19:49,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:19:49,981 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 21:19:49,981 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:19:49,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368456853] [2023-11-23 21:19:49,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [368456853] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:19:49,982 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:19:49,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:19:49,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535865194] [2023-11-23 21:19:49,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:19:49,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:19:49,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:19:49,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:19:49,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:19:49,985 INFO L87 Difference]: Start difference. First operand 146 states and 218 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 21:19:50,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:19:50,076 INFO L93 Difference]: Finished difference Result 312 states and 474 transitions. [2023-11-23 21:19:50,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:19:50,078 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 21:19:50,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:19:50,086 INFO L225 Difference]: With dead ends: 312 [2023-11-23 21:19:50,088 INFO L226 Difference]: Without dead ends: 175 [2023-11-23 21:19:50,089 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 21:19:50,092 INFO L413 NwaCegarLoop]: 182 mSDtfsCounter, 22 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 363 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:19:50,097 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 363 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 21:19:50,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2023-11-23 21:19:50,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 148. [2023-11-23 21:19:50,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 107 states have (on average 1.439252336448598) internal successors, (154), 110 states have internal predecessors, (154), 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 21:19:50,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 220 transitions. [2023-11-23 21:19:50,124 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 220 transitions. Word has length 19 [2023-11-23 21:19:50,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:19:50,125 INFO L495 AbstractCegarLoop]: Abstraction has 148 states and 220 transitions. [2023-11-23 21:19:50,125 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 21:19:50,126 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 220 transitions. [2023-11-23 21:19:50,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 21:19:50,127 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:19:50,128 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 21:19:50,128 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-23 21:19:50,128 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:19:50,129 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:19:50,129 INFO L85 PathProgramCache]: Analyzing trace with hash -1678628885, now seen corresponding path program 1 times [2023-11-23 21:19:50,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:19:50,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062687870] [2023-11-23 21:19:50,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:19:50,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:19:50,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:19:50,247 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 21:19:50,248 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:19:50,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062687870] [2023-11-23 21:19:50,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2062687870] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:19:50,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:19:50,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:19:50,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024463693] [2023-11-23 21:19:50,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:19:50,250 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:19:50,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:19:50,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:19:50,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:19:50,252 INFO L87 Difference]: Start difference. First operand 148 states and 220 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 21:19:50,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:19:50,337 INFO L93 Difference]: Finished difference Result 249 states and 371 transitions. [2023-11-23 21:19:50,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:19:50,338 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 21:19:50,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:19:50,342 INFO L225 Difference]: With dead ends: 249 [2023-11-23 21:19:50,342 INFO L226 Difference]: Without dead ends: 148 [2023-11-23 21:19:50,343 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 21:19:50,355 INFO L413 NwaCegarLoop]: 183 mSDtfsCounter, 0 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 363 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:19:50,357 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 363 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 21:19:50,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2023-11-23 21:19:50,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2023-11-23 21:19:50,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 107 states have (on average 1.411214953271028) internal successors, (151), 110 states have internal predecessors, (151), 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 21:19:50,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 217 transitions. [2023-11-23 21:19:50,397 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 217 transitions. Word has length 27 [2023-11-23 21:19:50,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:19:50,398 INFO L495 AbstractCegarLoop]: Abstraction has 148 states and 217 transitions. [2023-11-23 21:19:50,398 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 21:19:50,398 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 217 transitions. [2023-11-23 21:19:50,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-23 21:19:50,406 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:19:50,406 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 21:19:50,406 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-23 21:19:50,407 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:19:50,408 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:19:50,408 INFO L85 PathProgramCache]: Analyzing trace with hash 748882316, now seen corresponding path program 1 times [2023-11-23 21:19:50,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:19:50,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324541103] [2023-11-23 21:19:50,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:19:50,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:19:50,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:19:50,544 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 21:19:50,544 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:19:50,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324541103] [2023-11-23 21:19:50,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [324541103] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:19:50,545 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:19:50,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 21:19:50,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321405639] [2023-11-23 21:19:50,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:19:50,546 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 21:19:50,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:19:50,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 21:19:50,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:19:50,548 INFO L87 Difference]: Start difference. First operand 148 states and 217 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 21:19:50,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:19:50,671 INFO L93 Difference]: Finished difference Result 288 states and 425 transitions. [2023-11-23 21:19:50,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 21:19:50,672 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 21:19:50,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:19:50,677 INFO L225 Difference]: With dead ends: 288 [2023-11-23 21:19:50,677 INFO L226 Difference]: Without dead ends: 150 [2023-11-23 21:19:50,678 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 21:19:50,682 INFO L413 NwaCegarLoop]: 180 mSDtfsCounter, 0 mSDsluCounter, 535 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 715 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 21:19:50,682 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 715 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 21:19:50,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2023-11-23 21:19:50,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 148. [2023-11-23 21:19:50,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 107 states have (on average 1.4018691588785046) internal successors, (150), 110 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 21:19:50,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 216 transitions. [2023-11-23 21:19:50,706 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 216 transitions. Word has length 30 [2023-11-23 21:19:50,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:19:50,706 INFO L495 AbstractCegarLoop]: Abstraction has 148 states and 216 transitions. [2023-11-23 21:19:50,706 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 21:19:50,707 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 216 transitions. [2023-11-23 21:19:50,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 21:19:50,708 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:19:50,708 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 21:19:50,708 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-23 21:19:50,709 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:19:50,709 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:19:50,709 INFO L85 PathProgramCache]: Analyzing trace with hash 1142058267, now seen corresponding path program 1 times [2023-11-23 21:19:50,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:19:50,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827102582] [2023-11-23 21:19:50,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:19:50,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:19:50,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:19:50,778 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 21:19:50,778 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:19:50,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827102582] [2023-11-23 21:19:50,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [827102582] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 21:19:50,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1986100856] [2023-11-23 21:19:50,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:19:50,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:19:50,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af2f2261-c746-4eac-bf17-e83301d2f49a/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:19:50,781 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af2f2261-c746-4eac-bf17-e83301d2f49a/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:19:50,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af2f2261-c746-4eac-bf17-e83301d2f49a/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 21:19:50,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:19:50,904 INFO L262 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 21:19:50,910 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:19:51,006 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 21:19:51,006 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:19:51,069 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 21:19:51,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1986100856] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:19:51,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1707229037] [2023-11-23 21:19:51,096 INFO L159 IcfgInterpreter]: Started Sifa with 27 locations of interest [2023-11-23 21:19:51,096 INFO L166 IcfgInterpreter]: Building call graph [2023-11-23 21:19:51,101 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-23 21:19:51,107 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-23 21:19:51,108 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-11-23 21:19:52,520 INFO L197 IcfgInterpreter]: Interpreting procedure add_history_type with input of size 93 for LOIs [2023-11-23 21:19:55,903 INFO L197 IcfgInterpreter]: Interpreting procedure read_history_bool with input of size 108 for LOIs [2023-11-23 21:19:56,575 INFO L180 IcfgInterpreter]: Interpretation finished [2023-11-23 21:20:00,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1707229037] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:20:00,416 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2023-11-23 21:20:00,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [4, 4, 4] total 21 [2023-11-23 21:20:00,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527978020] [2023-11-23 21:20:00,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:20:00,418 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-11-23 21:20:00,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:20:00,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-11-23 21:20:00,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=362, Unknown=0, NotChecked=0, Total=420 [2023-11-23 21:20:00,419 INFO L87 Difference]: Start difference. First operand 148 states and 216 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 21:20:05,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:20:05,307 INFO L93 Difference]: Finished difference Result 342 states and 501 transitions. [2023-11-23 21:20:05,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-11-23 21:20:05,311 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 21:20:05,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:20:05,313 INFO L225 Difference]: With dead ends: 342 [2023-11-23 21:20:05,313 INFO L226 Difference]: Without dead ends: 183 [2023-11-23 21:20:05,315 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 79 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 295 ImplicationChecksByTransitivity, 7.4s TimeCoverageRelationStatistics Valid=161, Invalid=1029, Unknown=0, NotChecked=0, Total=1190 [2023-11-23 21:20:05,316 INFO L413 NwaCegarLoop]: 170 mSDtfsCounter, 124 mSDsluCounter, 1296 mSDsCounter, 0 mSdLazyCounter, 630 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 1466 SdHoareTripleChecker+Invalid, 672 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 630 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-11-23 21:20:05,316 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 1466 Invalid, 672 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 630 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-11-23 21:20:05,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2023-11-23 21:20:05,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 170. [2023-11-23 21:20:05,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 124 states have (on average 1.3790322580645162) internal successors, (171), 127 states have internal predecessors, (171), 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 21:20:05,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 241 transitions. [2023-11-23 21:20:05,353 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 241 transitions. Word has length 32 [2023-11-23 21:20:05,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:20:05,354 INFO L495 AbstractCegarLoop]: Abstraction has 170 states and 241 transitions. [2023-11-23 21:20:05,354 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 21:20:05,354 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 241 transitions. [2023-11-23 21:20:05,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 21:20:05,356 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:20:05,356 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 21:20:05,378 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af2f2261-c746-4eac-bf17-e83301d2f49a/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-23 21:20:05,571 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af2f2261-c746-4eac-bf17-e83301d2f49a/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:20:05,571 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:20:05,572 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:20:05,572 INFO L85 PathProgramCache]: Analyzing trace with hash 996814698, now seen corresponding path program 1 times [2023-11-23 21:20:05,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:20:05,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218861599] [2023-11-23 21:20:05,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:20:05,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:20:05,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:20:05,685 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 21:20:05,685 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:20:05,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218861599] [2023-11-23 21:20:05,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1218861599] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 21:20:05,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [458776952] [2023-11-23 21:20:05,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:20:05,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:20:05,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af2f2261-c746-4eac-bf17-e83301d2f49a/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:20:05,687 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af2f2261-c746-4eac-bf17-e83301d2f49a/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:20:05,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af2f2261-c746-4eac-bf17-e83301d2f49a/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-23 21:20:05,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:20:05,778 INFO L262 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 21:20:05,781 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:20:05,798 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 21:20:05,798 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:20:05,830 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 21:20:05,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [458776952] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:20:05,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1310530051] [2023-11-23 21:20:05,836 INFO L159 IcfgInterpreter]: Started Sifa with 29 locations of interest [2023-11-23 21:20:05,837 INFO L166 IcfgInterpreter]: Building call graph [2023-11-23 21:20:05,837 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-23 21:20:05,837 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-23 21:20:05,838 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-11-23 21:20:06,328 INFO L197 IcfgInterpreter]: Interpreting procedure add_history_type with input of size 88 for LOIs [2023-11-23 21:20:08,679 INFO L197 IcfgInterpreter]: Interpreting procedure read_history_bool with input of size 105 for LOIs [2023-11-23 21:20:09,008 INFO L180 IcfgInterpreter]: Interpretation finished [2023-11-23 21:20:12,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1310530051] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:20:12,422 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2023-11-23 21:20:12,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [4, 4, 4] total 21 [2023-11-23 21:20:12,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673637941] [2023-11-23 21:20:12,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:20:12,423 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-11-23 21:20:12,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:20:12,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-11-23 21:20:12,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=354, Unknown=0, NotChecked=0, Total=420 [2023-11-23 21:20:12,425 INFO L87 Difference]: Start difference. First operand 170 states and 241 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 21:20:15,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:20:15,539 INFO L93 Difference]: Finished difference Result 316 states and 452 transitions. [2023-11-23 21:20:15,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-23 21:20:15,539 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 21:20:15,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:20:15,541 INFO L225 Difference]: With dead ends: 316 [2023-11-23 21:20:15,542 INFO L226 Difference]: Without dead ends: 167 [2023-11-23 21:20:15,543 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 21:20:15,544 INFO L413 NwaCegarLoop]: 165 mSDtfsCounter, 54 mSDsluCounter, 633 mSDsCounter, 0 mSdLazyCounter, 461 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 798 SdHoareTripleChecker+Invalid, 477 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 461 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-23 21:20:15,544 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 798 Invalid, 477 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 461 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-23 21:20:15,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2023-11-23 21:20:15,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 162. [2023-11-23 21:20:15,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 118 states have (on average 1.3559322033898304) internal successors, (160), 121 states have internal predecessors, (160), 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 21:20:15,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 226 transitions. [2023-11-23 21:20:15,573 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 226 transitions. Word has length 32 [2023-11-23 21:20:15,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:20:15,575 INFO L495 AbstractCegarLoop]: Abstraction has 162 states and 226 transitions. [2023-11-23 21:20:15,575 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 21:20:15,575 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 226 transitions. [2023-11-23 21:20:15,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-23 21:20:15,578 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:20:15,578 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 21:20:15,604 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af2f2261-c746-4eac-bf17-e83301d2f49a/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-23 21:20:15,794 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af2f2261-c746-4eac-bf17-e83301d2f49a/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:20:15,794 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:20:15,795 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:20:15,795 INFO L85 PathProgramCache]: Analyzing trace with hash -23838386, now seen corresponding path program 1 times [2023-11-23 21:20:15,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:20:15,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111362995] [2023-11-23 21:20:15,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:20:15,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:20:15,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:20:15,861 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 21:20:15,862 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:20:15,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111362995] [2023-11-23 21:20:15,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1111362995] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 21:20:15,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1021181453] [2023-11-23 21:20:15,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:20:15,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:20:15,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af2f2261-c746-4eac-bf17-e83301d2f49a/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:20:15,864 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af2f2261-c746-4eac-bf17-e83301d2f49a/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:20:15,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af2f2261-c746-4eac-bf17-e83301d2f49a/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-23 21:20:15,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:20:15,952 INFO L262 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 21:20:15,956 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:20:15,978 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 21:20:15,979 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:20:16,027 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 21:20:16,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1021181453] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:20:16,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [149982028] [2023-11-23 21:20:16,033 INFO L159 IcfgInterpreter]: Started Sifa with 36 locations of interest [2023-11-23 21:20:16,034 INFO L166 IcfgInterpreter]: Building call graph [2023-11-23 21:20:16,034 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-23 21:20:16,034 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-23 21:20:16,035 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-11-23 21:20:16,717 INFO L197 IcfgInterpreter]: Interpreting procedure add_history_type with input of size 88 for LOIs [2023-11-23 21:20:18,252 INFO L197 IcfgInterpreter]: Interpreting procedure read_history_bool with input of size 111 for LOIs [2023-11-23 21:20:19,126 INFO L180 IcfgInterpreter]: Interpretation finished [2023-11-23 21:20:24,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [149982028] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:20:24,212 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2023-11-23 21:20:24,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [4, 4, 4] total 24 [2023-11-23 21:20:24,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136411014] [2023-11-23 21:20:24,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:20:24,213 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-23 21:20:24,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:20:24,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-23 21:20:24,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=474, Unknown=0, NotChecked=0, Total=552 [2023-11-23 21:20:24,215 INFO L87 Difference]: Start difference. First operand 162 states and 226 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 21:20:27,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:20:27,679 INFO L93 Difference]: Finished difference Result 172 states and 236 transitions. [2023-11-23 21:20:27,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-11-23 21:20:27,683 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 21:20:27,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:20:27,683 INFO L225 Difference]: With dead ends: 172 [2023-11-23 21:20:27,684 INFO L226 Difference]: Without dead ends: 0 [2023-11-23 21:20:27,685 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 124 SyntacticMatches, 3 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 353 ImplicationChecksByTransitivity, 8.0s TimeCoverageRelationStatistics Valid=186, Invalid=1074, Unknown=0, NotChecked=0, Total=1260 [2023-11-23 21:20:27,686 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 39 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 288 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 297 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-23 21:20:27,687 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 57 Invalid, 297 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 288 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-23 21:20:27,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-23 21:20:27,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-23 21:20:27,688 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 21:20:27,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-23 21:20:27,689 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 49 [2023-11-23 21:20:27,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:20:27,689 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-23 21:20:27,689 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 21:20:27,690 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-23 21:20:27,690 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-23 21:20:27,693 INFO L805 garLoopResultBuilder]: Registering result SAFE for location assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:20:27,723 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af2f2261-c746-4eac-bf17-e83301d2f49a/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-23 21:20:27,918 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af2f2261-c746-4eac-bf17-e83301d2f49a/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:20:27,922 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-23 21:20:34,480 INFO L902 garLoopResultBuilder]: At program point L116(line 116) the Hoare annotation is: true [2023-11-23 21:20:34,481 INFO L899 garLoopResultBuilder]: For program point read_history_int8FINAL(lines 101 120) no Hoare annotation was computed. [2023-11-23 21:20:34,481 INFO L899 garLoopResultBuilder]: For program point L116-1(line 116) no Hoare annotation was computed. [2023-11-23 21:20:34,481 INFO L899 garLoopResultBuilder]: For program point L106(lines 106 117) no Hoare annotation was computed. [2023-11-23 21:20:34,481 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 101 120) the Hoare annotation is: true [2023-11-23 21:20:34,481 INFO L899 garLoopResultBuilder]: For program point read_history_int8EXIT(lines 101 120) no Hoare annotation was computed. [2023-11-23 21:20:34,482 INFO L899 garLoopResultBuilder]: For program point L126(lines 126 157) no Hoare annotation was computed. [2023-11-23 21:20:34,482 INFO L899 garLoopResultBuilder]: For program point read_history_boolFINAL(lines 121 160) no Hoare annotation was computed. [2023-11-23 21:20:34,482 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 121 160) the Hoare annotation is: true [2023-11-23 21:20:34,482 INFO L899 garLoopResultBuilder]: For program point read_history_boolEXIT(lines 121 160) no Hoare annotation was computed. [2023-11-23 21:20:34,482 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 21:20:34,483 INFO L899 garLoopResultBuilder]: For program point L156-1(line 156) no Hoare annotation was computed. [2023-11-23 21:20:34,483 INFO L899 garLoopResultBuilder]: For program point L146(lines 146 157) no Hoare annotation was computed. [2023-11-23 21:20:34,483 INFO L899 garLoopResultBuilder]: For program point L136(lines 136 157) no Hoare annotation was computed. [2023-11-23 21:20:34,483 INFO L899 garLoopResultBuilder]: For program point assertEXIT(lines 528 539) no Hoare annotation was computed. [2023-11-23 21:20:34,483 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 528 539) the Hoare annotation is: true [2023-11-23 21:20:34,483 INFO L899 garLoopResultBuilder]: For program point L535(line 535) no Hoare annotation was computed. [2023-11-23 21:20:34,484 INFO L899 garLoopResultBuilder]: For program point L533(lines 533 537) no Hoare annotation was computed. [2023-11-23 21:20:34,484 INFO L899 garLoopResultBuilder]: For program point assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 535) no Hoare annotation was computed. [2023-11-23 21:20:34,484 INFO L899 garLoopResultBuilder]: For program point L533-2(lines 528 539) no Hoare annotation was computed. [2023-11-23 21:20:34,484 INFO L899 garLoopResultBuilder]: For program point L283(lines 283 285) no Hoare annotation was computed. [2023-11-23 21:20:34,484 INFO L895 garLoopResultBuilder]: At program point L217(line 217) the Hoare annotation is: false [2023-11-23 21:20:34,484 INFO L899 garLoopResultBuilder]: For program point L217-1(line 217) no Hoare annotation was computed. [2023-11-23 21:20:34,485 INFO L899 garLoopResultBuilder]: For program point L465(lines 465 469) no Hoare annotation was computed. [2023-11-23 21:20:34,485 INFO L899 garLoopResultBuilder]: For program point L300(line 300) no Hoare annotation was computed. [2023-11-23 21:20:34,485 INFO L899 garLoopResultBuilder]: For program point L218(lines 218 220) no Hoare annotation was computed. [2023-11-23 21:20:34,485 INFO L899 garLoopResultBuilder]: For program point L301(lines 301 319) no Hoare annotation was computed. [2023-11-23 21:20:34,485 INFO L895 garLoopResultBuilder]: At program point L268(line 268) the Hoare annotation is: false [2023-11-23 21:20:34,485 INFO L895 garLoopResultBuilder]: At program point L301-1(lines 301 319) the Hoare annotation is: false [2023-11-23 21:20:34,486 INFO L899 garLoopResultBuilder]: For program point L268-1(line 268) no Hoare annotation was computed. [2023-11-23 21:20:34,486 INFO L895 garLoopResultBuilder]: At program point L302(line 302) the Hoare annotation is: false [2023-11-23 21:20:34,486 INFO L899 garLoopResultBuilder]: For program point L302-1(line 302) no Hoare annotation was computed. [2023-11-23 21:20:34,486 INFO L895 garLoopResultBuilder]: At program point L269-2(lines 269 271) the Hoare annotation is: false [2023-11-23 21:20:34,486 INFO L899 garLoopResultBuilder]: For program point L451(lines 451 469) no Hoare annotation was computed. [2023-11-23 21:20:34,486 INFO L895 garLoopResultBuilder]: At program point L468(line 468) the Hoare annotation is: false [2023-11-23 21:20:34,487 INFO L899 garLoopResultBuilder]: For program point L468-1(lines 441 469) no Hoare annotation was computed. [2023-11-23 21:20:34,487 INFO L899 garLoopResultBuilder]: For program point L303(lines 303 318) no Hoare annotation was computed. [2023-11-23 21:20:34,487 INFO L895 garLoopResultBuilder]: At program point L171(line 171) the Hoare annotation is: false [2023-11-23 21:20:34,487 INFO L899 garLoopResultBuilder]: For program point L171-1(lines 161 175) no Hoare annotation was computed. [2023-11-23 21:20:34,487 INFO L899 garLoopResultBuilder]: For program point L320(line 320) no Hoare annotation was computed. [2023-11-23 21:20:34,487 INFO L895 garLoopResultBuilder]: At program point L221(line 221) the Hoare annotation is: false [2023-11-23 21:20:34,487 INFO L899 garLoopResultBuilder]: For program point L221-1(line 221) no Hoare annotation was computed. [2023-11-23 21:20:34,487 INFO L895 garLoopResultBuilder]: At program point L304(line 304) the Hoare annotation is: false [2023-11-23 21:20:34,488 INFO L899 garLoopResultBuilder]: For program point L304-1(line 304) no Hoare annotation was computed. [2023-11-23 21:20:34,488 INFO L899 garLoopResultBuilder]: For program point L321(lines 321 332) no Hoare annotation was computed. [2023-11-23 21:20:34,488 INFO L899 garLoopResultBuilder]: For program point L321-1(lines 321 332) no Hoare annotation was computed. [2023-11-23 21:20:34,488 INFO L899 garLoopResultBuilder]: For program point L305(lines 305 317) no Hoare annotation was computed. [2023-11-23 21:20:34,488 INFO L899 garLoopResultBuilder]: For program point L272(line 272) no Hoare annotation was computed. [2023-11-23 21:20:34,488 INFO L895 garLoopResultBuilder]: At program point L322(line 322) the Hoare annotation is: false [2023-11-23 21:20:34,488 INFO L899 garLoopResultBuilder]: For program point L322-1(line 322) no Hoare annotation was computed. [2023-11-23 21:20:34,488 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-23 21:20:34,488 INFO L895 garLoopResultBuilder]: At program point L306(line 306) the Hoare annotation is: false [2023-11-23 21:20:34,488 INFO L899 garLoopResultBuilder]: For program point L306-1(line 306) no Hoare annotation was computed. [2023-11-23 21:20:34,488 INFO L895 garLoopResultBuilder]: At program point L273-2(lines 273 275) the Hoare annotation is: false [2023-11-23 21:20:34,489 INFO L895 garLoopResultBuilder]: At program point L521(line 521) the Hoare annotation is: false [2023-11-23 21:20:34,489 INFO L899 garLoopResultBuilder]: For program point L521-1(line 521) no Hoare annotation was computed. [2023-11-23 21:20:34,489 INFO L899 garLoopResultBuilder]: For program point L323(lines 323 331) no Hoare annotation was computed. [2023-11-23 21:20:34,489 INFO L895 garLoopResultBuilder]: At program point L406(line 406) the Hoare annotation is: false [2023-11-23 21:20:34,489 INFO L899 garLoopResultBuilder]: For program point L406-1(lines 404 427) no Hoare annotation was computed. [2023-11-23 21:20:34,489 INFO L899 garLoopResultBuilder]: For program point L307(lines 307 314) no Hoare annotation was computed. [2023-11-23 21:20:34,489 INFO L895 garLoopResultBuilder]: At program point L324(line 324) the Hoare annotation is: false [2023-11-23 21:20:34,489 INFO L899 garLoopResultBuilder]: For program point L324-1(line 324) no Hoare annotation was computed. [2023-11-23 21:20:34,490 INFO L895 garLoopResultBuilder]: At program point L308(line 308) the Hoare annotation is: false [2023-11-23 21:20:34,490 INFO L899 garLoopResultBuilder]: For program point L308-1(line 308) no Hoare annotation was computed. [2023-11-23 21:20:34,490 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 21:20:34,490 INFO L899 garLoopResultBuilder]: For program point L209-1(line 209) no Hoare annotation was computed. [2023-11-23 21:20:34,490 INFO L899 garLoopResultBuilder]: For program point L325(lines 325 330) no Hoare annotation was computed. [2023-11-23 21:20:34,491 INFO L899 garLoopResultBuilder]: For program point L441(lines 441 469) no Hoare annotation was computed. [2023-11-23 21:20:34,491 INFO L895 garLoopResultBuilder]: At program point L375(line 375) the Hoare annotation is: false [2023-11-23 21:20:34,491 INFO L899 garLoopResultBuilder]: For program point L375-1(lines 373 396) no Hoare annotation was computed. [2023-11-23 21:20:34,491 INFO L899 garLoopResultBuilder]: For program point L309(lines 309 311) no Hoare annotation was computed. [2023-11-23 21:20:34,491 INFO L899 garLoopResultBuilder]: For program point L276(line 276) no Hoare annotation was computed. [2023-11-23 21:20:34,491 INFO L899 garLoopResultBuilder]: For program point L210(lines 210 212) no Hoare annotation was computed. [2023-11-23 21:20:34,492 INFO L895 garLoopResultBuilder]: At program point L326(line 326) the Hoare annotation is: false [2023-11-23 21:20:34,492 INFO L899 garLoopResultBuilder]: For program point L326-1(line 326) no Hoare annotation was computed. [2023-11-23 21:20:34,492 INFO L895 garLoopResultBuilder]: At program point L260-1(line 260) the Hoare annotation is: false [2023-11-23 21:20:34,492 INFO L895 garLoopResultBuilder]: At program point L508-2(lines 508 524) the Hoare annotation is: false [2023-11-23 21:20:34,492 INFO L899 garLoopResultBuilder]: For program point L277-2(lines 266 297) no Hoare annotation was computed. [2023-11-23 21:20:34,492 INFO L899 garLoopResultBuilder]: For program point L459(lines 459 469) no Hoare annotation was computed. [2023-11-23 21:20:34,492 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-23 21:20:34,493 INFO L899 garLoopResultBuilder]: For program point L327(lines 327 329) no Hoare annotation was computed. [2023-11-23 21:20:34,493 INFO L899 garLoopResultBuilder]: For program point L261(line 261) no Hoare annotation was computed. [2023-11-23 21:20:34,493 INFO L895 garLoopResultBuilder]: At program point L344(line 344) the Hoare annotation is: false [2023-11-23 21:20:34,493 INFO L899 garLoopResultBuilder]: For program point L344-1(lines 342 365) no Hoare annotation was computed. [2023-11-23 21:20:34,493 INFO L899 garLoopResultBuilder]: For program point L262(lines 262 299) no Hoare annotation was computed. [2023-11-23 21:20:34,493 INFO L895 garLoopResultBuilder]: At program point L262-1(lines 262 299) the Hoare annotation is: false [2023-11-23 21:20:34,493 INFO L899 garLoopResultBuilder]: For program point L444(lines 444 469) no Hoare annotation was computed. [2023-11-23 21:20:34,494 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 21:20:34,494 INFO L899 garLoopResultBuilder]: For program point L213-1(line 213) no Hoare annotation was computed. [2023-11-23 21:20:34,494 INFO L895 garLoopResultBuilder]: At program point L263(line 263) the Hoare annotation is: false [2023-11-23 21:20:34,494 INFO L899 garLoopResultBuilder]: For program point L263-1(line 263) no Hoare annotation was computed. [2023-11-23 21:20:34,495 INFO L899 garLoopResultBuilder]: For program point L214(lines 214 216) no Hoare annotation was computed. [2023-11-23 21:20:34,495 INFO L899 garLoopResultBuilder]: For program point L462(lines 462 469) no Hoare annotation was computed. [2023-11-23 21:20:34,495 INFO L899 garLoopResultBuilder]: For program point L264(lines 264 298) no Hoare annotation was computed. [2023-11-23 21:20:34,495 INFO L899 garLoopResultBuilder]: For program point L281(lines 281 291) no Hoare annotation was computed. [2023-11-23 21:20:34,495 INFO L899 garLoopResultBuilder]: For program point check_returnLabel#1(lines 228 335) no Hoare annotation was computed. [2023-11-23 21:20:34,495 INFO L895 garLoopResultBuilder]: At program point L265(line 265) the Hoare annotation is: false [2023-11-23 21:20:34,496 INFO L899 garLoopResultBuilder]: For program point L265-1(line 265) no Hoare annotation was computed. [2023-11-23 21:20:34,496 INFO L899 garLoopResultBuilder]: For program point L166(lines 166 172) no Hoare annotation was computed. [2023-11-23 21:20:34,496 INFO L899 garLoopResultBuilder]: For program point L282(lines 282 288) no Hoare annotation was computed. [2023-11-23 21:20:34,496 INFO L899 garLoopResultBuilder]: For program point init_returnLabel#1(lines 201 227) no Hoare annotation was computed. [2023-11-23 21:20:34,496 INFO L899 garLoopResultBuilder]: For program point L266(lines 266 297) no Hoare annotation was computed. [2023-11-23 21:20:34,496 INFO L899 garLoopResultBuilder]: For program point $Ultimate##126(lines 294 296) no Hoare annotation was computed. [2023-11-23 21:20:34,497 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 21:20:34,497 INFO L899 garLoopResultBuilder]: For program point L85-1(line 85) no Hoare annotation was computed. [2023-11-23 21:20:34,497 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 21:20:34,498 INFO L899 garLoopResultBuilder]: For program point L73-1(line 73) no Hoare annotation was computed. [2023-11-23 21:20:34,498 INFO L899 garLoopResultBuilder]: For program point L90(lines 90 95) no Hoare annotation was computed. [2023-11-23 21:20:34,498 INFO L899 garLoopResultBuilder]: For program point L90-2(lines 72 95) no Hoare annotation was computed. [2023-11-23 21:20:34,498 INFO L899 garLoopResultBuilder]: For program point L86(lines 86 88) no Hoare annotation was computed. [2023-11-23 21:20:34,498 INFO L899 garLoopResultBuilder]: For program point L78(lines 78 95) no Hoare annotation was computed. [2023-11-23 21:20:34,498 INFO L899 garLoopResultBuilder]: For program point L74(lines 74 76) no Hoare annotation was computed. [2023-11-23 21:20:34,499 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 21:20:34,499 INFO L899 garLoopResultBuilder]: For program point L91-1(line 91) no Hoare annotation was computed. [2023-11-23 21:20:34,499 INFO L899 garLoopResultBuilder]: For program point add_history_typeEXIT(lines 57 100) no Hoare annotation was computed. [2023-11-23 21:20:34,499 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 21:20:34,500 INFO L899 garLoopResultBuilder]: For program point L79-1(line 79) no Hoare annotation was computed. [2023-11-23 21:20:34,500 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 57 100) the Hoare annotation is: true [2023-11-23 21:20:34,500 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 21:20:34,500 INFO L899 garLoopResultBuilder]: For program point L92(lines 92 94) no Hoare annotation was computed. [2023-11-23 21:20:34,501 INFO L899 garLoopResultBuilder]: For program point L84(lines 84 95) no Hoare annotation was computed. [2023-11-23 21:20:34,501 INFO L899 garLoopResultBuilder]: For program point L80(lines 80 82) no Hoare annotation was computed. [2023-11-23 21:20:34,501 INFO L899 garLoopResultBuilder]: For program point L72(lines 72 95) no Hoare annotation was computed. [2023-11-23 21:20:34,501 INFO L899 garLoopResultBuilder]: For program point add_history_typeFINAL(lines 57 100) no Hoare annotation was computed. [2023-11-23 21:20:34,501 INFO L899 garLoopResultBuilder]: For program point L191(lines 191 197) no Hoare annotation was computed. [2023-11-23 21:20:34,501 INFO L899 garLoopResultBuilder]: For program point L186(lines 186 197) no Hoare annotation was computed. [2023-11-23 21:20:34,501 INFO L899 garLoopResultBuilder]: For program point write_history_boolEXIT(lines 176 200) no Hoare annotation was computed. [2023-11-23 21:20:34,502 INFO L899 garLoopResultBuilder]: For program point L181(lines 181 197) no Hoare annotation was computed. [2023-11-23 21:20:34,502 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 176 200) the Hoare annotation is: true [2023-11-23 21:20:34,502 INFO L902 garLoopResultBuilder]: At program point L196(line 196) the Hoare annotation is: true [2023-11-23 21:20:34,502 INFO L899 garLoopResultBuilder]: For program point L196-1(lines 176 200) no Hoare annotation was computed. [2023-11-23 21:20:34,505 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:20:34,508 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:20:34,533 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][0] could not be translated [2023-11-23 21:20:34,534 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[1] could not be translated [2023-11-23 21:20:34,534 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[3] could not be translated [2023-11-23 21:20:34,538 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[3] could not be translated [2023-11-23 21:20:34,538 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[0] could not be translated [2023-11-23 21:20:34,539 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][1] could not be translated [2023-11-23 21:20:34,539 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[1] could not be translated [2023-11-23 21:20:34,540 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[2] could not be translated [2023-11-23 21:20:34,540 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[2] could not be translated [2023-11-23 21:20:34,540 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][0] could not be translated [2023-11-23 21:20:34,540 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[1] could not be translated [2023-11-23 21:20:34,541 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[3] could not be translated [2023-11-23 21:20:34,549 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[3] could not be translated [2023-11-23 21:20:34,549 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[0] could not be translated [2023-11-23 21:20:34,550 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][1] could not be translated [2023-11-23 21:20:34,556 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[1] could not be translated [2023-11-23 21:20:34,556 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[2] could not be translated [2023-11-23 21:20:34,556 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[2] could not be translated [2023-11-23 21:20:34,557 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:20:34 BoogieIcfgContainer [2023-11-23 21:20:34,557 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:20:34,558 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:20:34,558 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:20:34,558 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:20:34,559 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:19:48" (3/4) ... [2023-11-23 21:20:34,561 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-23 21:20:34,564 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure read_history_int8 [2023-11-23 21:20:34,566 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure read_history_bool [2023-11-23 21:20:34,566 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assert [2023-11-23 21:20:34,567 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure add_history_type [2023-11-23 21:20:34,567 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure write_history_bool [2023-11-23 21:20:34,587 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 52 nodes and edges [2023-11-23 21:20:34,597 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2023-11-23 21:20:34,598 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-23 21:20:34,600 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 21:20:34,792 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af2f2261-c746-4eac-bf17-e83301d2f49a/bin/utaipan-verify-mE87zJ7Ire/witness.graphml [2023-11-23 21:20:34,793 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af2f2261-c746-4eac-bf17-e83301d2f49a/bin/utaipan-verify-mE87zJ7Ire/witness.yml [2023-11-23 21:20:34,793 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:20:34,794 INFO L158 Benchmark]: Toolchain (without parser) took 47874.72ms. Allocated memory was 151.0MB in the beginning and 616.6MB in the end (delta: 465.6MB). Free memory was 119.4MB in the beginning and 343.5MB in the end (delta: -224.0MB). Peak memory consumption was 243.3MB. Max. memory is 16.1GB. [2023-11-23 21:20:34,795 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 109.1MB. Free memory is still 63.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:20:34,795 INFO L158 Benchmark]: CACSL2BoogieTranslator took 466.41ms. Allocated memory is still 151.0MB. Free memory was 119.1MB in the beginning and 102.8MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-23 21:20:34,796 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.12ms. Allocated memory is still 151.0MB. Free memory was 102.8MB in the beginning and 99.8MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 21:20:34,796 INFO L158 Benchmark]: Boogie Preprocessor took 90.15ms. Allocated memory is still 151.0MB. Free memory was 99.8MB in the beginning and 97.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:20:34,797 INFO L158 Benchmark]: RCFGBuilder took 1185.26ms. Allocated memory is still 151.0MB. Free memory was 97.3MB in the beginning and 95.1MB in the end (delta: 2.2MB). Peak memory consumption was 37.9MB. Max. memory is 16.1GB. [2023-11-23 21:20:34,798 INFO L158 Benchmark]: TraceAbstraction took 45830.91ms. Allocated memory was 151.0MB in the beginning and 616.6MB in the end (delta: 465.6MB). Free memory was 94.4MB in the beginning and 355.0MB in the end (delta: -260.6MB). Peak memory consumption was 350.5MB. Max. memory is 16.1GB. [2023-11-23 21:20:34,799 INFO L158 Benchmark]: Witness Printer took 235.33ms. Allocated memory is still 616.6MB. Free memory was 355.0MB in the beginning and 343.5MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-23 21:20:34,801 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 109.1MB. Free memory is still 63.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 466.41ms. Allocated memory is still 151.0MB. Free memory was 119.1MB in the beginning and 102.8MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.12ms. Allocated memory is still 151.0MB. Free memory was 102.8MB in the beginning and 99.8MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 90.15ms. Allocated memory is still 151.0MB. Free memory was 99.8MB in the beginning and 97.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1185.26ms. Allocated memory is still 151.0MB. Free memory was 97.3MB in the beginning and 95.1MB in the end (delta: 2.2MB). Peak memory consumption was 37.9MB. Max. memory is 16.1GB. * TraceAbstraction took 45830.91ms. Allocated memory was 151.0MB in the beginning and 616.6MB in the end (delta: 465.6MB). Free memory was 94.4MB in the beginning and 355.0MB in the end (delta: -260.6MB). Peak memory consumption was 350.5MB. Max. memory is 16.1GB. * Witness Printer took 235.33ms. Allocated memory is still 616.6MB. Free memory was 355.0MB in the beginning and 343.5MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #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: 535]: 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, 131 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 45.7s, OverallIterations: 8, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 12.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 288 SdHoareTripleChecker+Valid, 2.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 267 mSDsluCounter, 4822 SdHoareTripleChecker+Invalid, 2.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3569 mSDsCounter, 78 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1668 IncrementalHoareTripleChecker+Invalid, 1746 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 78 mSolverCounterUnsat, 1253 mSDtfsCounter, 1668 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, 21.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=170occurred 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, 6.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s 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: 11.7s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 9, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 104, DAG_INTERPRETER_EARLY_EXITS: 4, TOOLS_POST_APPLICATIONS: 193, TOOLS_POST_TIME: 5.9s, TOOLS_POST_CALL_APPLICATIONS: 75, TOOLS_POST_CALL_TIME: 1.7s, TOOLS_POST_RETURN_APPLICATIONS: 64, TOOLS_POST_RETURN_TIME: 1.7s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 332, TOOLS_QUANTIFIERELIM_TIME: 9.2s, 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: 5.1s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 5.1s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 18, CALL_SUMMARIZER_APPLICATIONS: 64, CALL_SUMMARIZER_CACHE_MISSES: 6, CALL_SUMMARIZER_OVERALL_TIME: 1.4s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 1.4s, 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: 71]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 508]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2023-11-23 21:20:34,831 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af2f2261-c746-4eac-bf17-e83301d2f49a/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