./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--usb_gigaset.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a 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_a592acfc-c4b2-48ed-b150-f7f9c355f9a3/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a592acfc-c4b2-48ed-b150-f7f9c355f9a3/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a592acfc-c4b2-48ed-b150-f7f9c355f9a3/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a592acfc-c4b2-48ed-b150-f7f9c355f9a3/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--usb_gigaset.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a592acfc-c4b2-48ed-b150-f7f9c355f9a3/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a592acfc-c4b2-48ed-b150-f7f9c355f9a3/bin/utaipan-7li7fVZpFI --witnessprinter.witness.filename witness.graphml --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 64bit --witnessprinter.graph.data.programhash 99f9870c0a11847528222b5446256dd4069d375e1dee3e428847b909838b4c1b --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-03 04:05:17,654 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 04:05:17,658 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 04:05:17,700 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 04:05:17,701 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 04:05:17,702 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 04:05:17,704 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 04:05:17,706 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 04:05:17,708 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 04:05:17,709 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 04:05:17,710 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 04:05:17,712 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 04:05:17,712 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 04:05:17,714 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 04:05:17,715 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 04:05:17,717 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 04:05:17,718 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 04:05:17,719 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 04:05:17,721 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 04:05:17,723 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 04:05:17,725 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 04:05:17,726 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 04:05:17,728 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 04:05:17,729 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 04:05:17,733 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 04:05:17,733 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 04:05:17,734 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 04:05:17,735 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 04:05:17,735 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 04:05:17,737 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 04:05:17,737 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 04:05:17,738 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 04:05:17,740 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 04:05:17,741 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 04:05:17,742 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 04:05:17,743 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 04:05:17,744 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 04:05:17,744 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 04:05:17,744 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 04:05:17,746 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 04:05:17,747 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 04:05:17,748 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a592acfc-c4b2-48ed-b150-f7f9c355f9a3/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 04:05:17,795 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 04:05:17,795 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 04:05:17,796 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 04:05:17,796 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 04:05:17,797 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 04:05:17,797 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 04:05:17,797 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 04:05:17,798 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 04:05:17,803 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 04:05:17,805 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 04:05:17,806 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 04:05:17,807 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 04:05:17,807 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 04:05:17,807 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 04:05:17,807 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 04:05:17,808 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 04:05:17,808 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 04:05:17,808 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 04:05:17,809 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 04:05:17,809 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 04:05:17,809 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 04:05:17,810 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 04:05:17,810 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 04:05:17,819 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 04:05:17,819 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 04:05:17,819 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 04:05:17,820 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 04:05:17,820 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 04:05:17,820 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 04:05:17,820 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 04:05:17,821 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 04:05:17,821 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 04:05:17,821 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 04:05:17,821 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 04:05:17,822 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 04:05:17,822 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 04:05:17,822 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 04:05:17,822 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 04:05:17,822 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_a592acfc-c4b2-48ed-b150-f7f9c355f9a3/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a592acfc-c4b2-48ed-b150-f7f9c355f9a3/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 99f9870c0a11847528222b5446256dd4069d375e1dee3e428847b909838b4c1b [2022-11-03 04:05:18,123 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 04:05:18,159 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 04:05:18,162 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 04:05:18,164 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 04:05:18,166 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 04:05:18,168 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a592acfc-c4b2-48ed-b150-f7f9c355f9a3/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--usb_gigaset.ko-entry_point.cil.out.i [2022-11-03 04:05:18,255 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a592acfc-c4b2-48ed-b150-f7f9c355f9a3/bin/utaipan-7li7fVZpFI/data/bcccf9ffe/12c19a7ee6174609bd1e66c7899640f9/FLAG29b854b4d [2022-11-03 04:05:19,192 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 04:05:19,192 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a592acfc-c4b2-48ed-b150-f7f9c355f9a3/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--usb_gigaset.ko-entry_point.cil.out.i [2022-11-03 04:05:19,237 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a592acfc-c4b2-48ed-b150-f7f9c355f9a3/bin/utaipan-7li7fVZpFI/data/bcccf9ffe/12c19a7ee6174609bd1e66c7899640f9/FLAG29b854b4d [2022-11-03 04:05:19,676 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a592acfc-c4b2-48ed-b150-f7f9c355f9a3/bin/utaipan-7li7fVZpFI/data/bcccf9ffe/12c19a7ee6174609bd1e66c7899640f9 [2022-11-03 04:05:19,680 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 04:05:19,683 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 04:05:19,687 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 04:05:19,688 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 04:05:19,692 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 04:05:19,694 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:05:19" (1/1) ... [2022-11-03 04:05:19,696 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53c70f47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:05:19, skipping insertion in model container [2022-11-03 04:05:19,697 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:05:19" (1/1) ... [2022-11-03 04:05:19,706 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 04:05:19,838 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 04:05:20,837 WARN L230 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_a592acfc-c4b2-48ed-b150-f7f9c355f9a3/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--usb_gigaset.ko-entry_point.cil.out.i[164521,164534] [2022-11-03 04:05:21,345 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 04:05:21,374 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 04:05:21,533 WARN L230 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_a592acfc-c4b2-48ed-b150-f7f9c355f9a3/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--usb_gigaset.ko-entry_point.cil.out.i[164521,164534] [2022-11-03 04:05:21,791 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 04:05:21,846 INFO L208 MainTranslator]: Completed translation [2022-11-03 04:05:21,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:05:21 WrapperNode [2022-11-03 04:05:21,847 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 04:05:21,848 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 04:05:21,849 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 04:05:21,849 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 04:05:21,856 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:05:21" (1/1) ... [2022-11-03 04:05:21,925 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:05:21" (1/1) ... [2022-11-03 04:05:22,030 INFO L138 Inliner]: procedures = 157, calls = 675, calls flagged for inlining = 60, calls inlined = 51, statements flattened = 1529 [2022-11-03 04:05:22,030 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 04:05:22,031 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 04:05:22,032 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 04:05:22,032 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 04:05:22,041 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:05:21" (1/1) ... [2022-11-03 04:05:22,042 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:05:21" (1/1) ... [2022-11-03 04:05:22,066 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:05:21" (1/1) ... [2022-11-03 04:05:22,071 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:05:21" (1/1) ... [2022-11-03 04:05:22,191 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:05:21" (1/1) ... [2022-11-03 04:05:22,214 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:05:21" (1/1) ... [2022-11-03 04:05:22,224 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:05:21" (1/1) ... [2022-11-03 04:05:22,243 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:05:21" (1/1) ... [2022-11-03 04:05:22,268 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 04:05:22,271 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 04:05:22,271 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 04:05:22,271 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 04:05:22,272 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:05:21" (1/1) ... [2022-11-03 04:05:22,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 04:05:22,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a592acfc-c4b2-48ed-b150-f7f9c355f9a3/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 04:05:22,308 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a592acfc-c4b2-48ed-b150-f7f9c355f9a3/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 04:05:22,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a592acfc-c4b2-48ed-b150-f7f9c355f9a3/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 04:05:22,355 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_schedule_event [2022-11-03 04:05:22,355 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_schedule_event [2022-11-03 04:05:22,356 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freebcshw [2022-11-03 04:05:22,356 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freebcshw [2022-11-03 04:05:22,356 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_set_modem_ctrl [2022-11-03 04:05:22,356 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_set_modem_ctrl [2022-11-03 04:05:22,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-03 04:05:22,356 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_2 [2022-11-03 04:05:22,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_2 [2022-11-03 04:05:22,357 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_reinitbcshw [2022-11-03 04:05:22,357 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_reinitbcshw [2022-11-03 04:05:22,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-03 04:05:22,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-03 04:05:22,358 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-03 04:05:22,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-03 04:05:22,358 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 04:05:22,358 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_m10x_send_skb [2022-11-03 04:05:22,358 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_m10x_send_skb [2022-11-03 04:05:22,359 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_brkchars [2022-11-03 04:05:22,359 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_brkchars [2022-11-03 04:05:22,359 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2022-11-03 04:05:22,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2022-11-03 04:05:22,360 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_add_event [2022-11-03 04:05:22,360 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_add_event [2022-11-03 04:05:22,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-03 04:05:22,360 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-03 04:05:22,360 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-11-03 04:05:22,360 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-11-03 04:05:22,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-03 04:05:22,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-03 04:05:22,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2022-11-03 04:05:22,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2022-11-03 04:05:22,361 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_close_bchannel [2022-11-03 04:05:22,361 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_close_bchannel [2022-11-03 04:05:22,362 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_resume [2022-11-03 04:05:22,362 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_resume [2022-11-03 04:05:22,362 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-11-03 04:05:22,362 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-11-03 04:05:22,362 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_baud_rate [2022-11-03 04:05:22,363 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_baud_rate [2022-11-03 04:05:22,363 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_initcshw [2022-11-03 04:05:22,363 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_initcshw [2022-11-03 04:05:22,363 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-03 04:05:22,363 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-03 04:05:22,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 04:05:22,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-03 04:05:22,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-03 04:05:22,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-03 04:05:22,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-03 04:05:22,366 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_initbcshw [2022-11-03 04:05:22,367 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_initbcshw [2022-11-03 04:05:22,367 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_dbg_buffer [2022-11-03 04:05:22,368 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_dbg_buffer [2022-11-03 04:05:22,368 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-03 04:05:22,368 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-03 04:05:22,368 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_set_line_ctrl [2022-11-03 04:05:22,369 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_set_line_ctrl [2022-11-03 04:05:22,369 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 04:05:22,369 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2022-11-03 04:05:22,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2022-11-03 04:05:22,370 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2022-11-03 04:05:22,371 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2022-11-03 04:05:22,371 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-03 04:05:22,371 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-03 04:05:22,371 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freecs [2022-11-03 04:05:22,371 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freecs [2022-11-03 04:05:22,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 04:05:22,372 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_write_room [2022-11-03 04:05:22,372 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_write_room [2022-11-03 04:05:22,372 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_suspend [2022-11-03 04:05:22,372 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_suspend [2022-11-03 04:05:22,372 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-03 04:05:22,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-03 04:05:22,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 04:05:22,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 04:05:22,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_dev [2022-11-03 04:05:22,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_dev [2022-11-03 04:05:22,374 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-03 04:05:22,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-03 04:05:22,375 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_8 [2022-11-03 04:05:22,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_8 [2022-11-03 04:05:22,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 04:05:22,376 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2022-11-03 04:05:22,376 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2022-11-03 04:05:22,376 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-11-03 04:05:22,376 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-11-03 04:05:22,377 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freedriver [2022-11-03 04:05:22,377 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freedriver [2022-11-03 04:05:22,378 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_disconnect [2022-11-03 04:05:22,378 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_disconnect [2022-11-03 04:05:22,378 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_chars_in_buffer [2022-11-03 04:05:22,379 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_chars_in_buffer [2022-11-03 04:05:22,379 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-03 04:05:22,379 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-03 04:05:22,380 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 04:05:22,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 04:05:22,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_17 [2022-11-03 04:05:22,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_17 [2022-11-03 04:05:22,380 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_m10x_input [2022-11-03 04:05:22,380 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_m10x_input [2022-11-03 04:05:22,381 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-03 04:05:22,381 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-03 04:05:22,381 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-03 04:05:22,382 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-03 04:05:22,382 INFO L130 BoogieDeclarations]: Found specification of procedure set_value [2022-11-03 04:05:22,382 INFO L138 BoogieDeclarations]: Found implementation of procedure set_value [2022-11-03 04:05:22,382 INFO L130 BoogieDeclarations]: Found specification of procedure tiocm_to_gigaset [2022-11-03 04:05:22,382 INFO L138 BoogieDeclarations]: Found implementation of procedure tiocm_to_gigaset [2022-11-03 04:05:22,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2022-11-03 04:05:22,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2022-11-03 04:05:22,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 04:05:22,387 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-03 04:05:22,388 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-03 04:05:22,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-03 04:05:22,388 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_init_bchannel [2022-11-03 04:05:22,388 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_init_bchannel [2022-11-03 04:05:22,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 04:05:22,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 04:05:22,390 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_read_int_callback [2022-11-03 04:05:22,391 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_read_int_callback [2022-11-03 04:05:22,397 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freecshw [2022-11-03 04:05:22,398 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freecshw [2022-11-03 04:05:22,993 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 04:05:22,996 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 04:05:23,431 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-03 04:05:24,200 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2022-11-03 04:05:26,303 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 04:05:26,835 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 04:05:26,835 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-03 04:05:26,841 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:05:26 BoogieIcfgContainer [2022-11-03 04:05:26,841 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 04:05:26,844 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 04:05:26,844 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 04:05:26,848 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 04:05:26,848 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 04:05:19" (1/3) ... [2022-11-03 04:05:26,849 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cd9ce9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:05:26, skipping insertion in model container [2022-11-03 04:05:26,849 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:05:21" (2/3) ... [2022-11-03 04:05:26,849 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cd9ce9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:05:26, skipping insertion in model container [2022-11-03 04:05:26,850 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:05:26" (3/3) ... [2022-11-03 04:05:26,853 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--usb_gigaset.ko-entry_point.cil.out.i [2022-11-03 04:05:26,873 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 04:05:26,873 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 04:05:26,967 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 04:05:26,973 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=LoopsAndPotentialCycles, 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;@68abbef3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 04:05:26,973 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 04:05:26,979 INFO L276 IsEmpty]: Start isEmpty. Operand has 565 states, 345 states have (on average 1.3710144927536232) internal successors, (473), 369 states have internal predecessors, (473), 167 states have call successors, (167), 53 states have call predecessors, (167), 51 states have return successors, (161), 156 states have call predecessors, (161), 161 states have call successors, (161) [2022-11-03 04:05:26,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-11-03 04:05:26,993 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:05:26,994 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2022-11-03 04:05:26,994 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:05:26,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:05:26,999 INFO L85 PathProgramCache]: Analyzing trace with hash -1236061573, now seen corresponding path program 1 times [2022-11-03 04:05:27,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:05:27,009 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137810531] [2022-11-03 04:05:27,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:05:27,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:05:27,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:05:27,599 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-03 04:05:27,599 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:05:27,600 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137810531] [2022-11-03 04:05:27,600 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [137810531] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:05:27,600 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:05:27,601 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 04:05:27,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811890841] [2022-11-03 04:05:27,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:05:27,607 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 04:05:27,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:05:27,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 04:05:27,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:05:27,638 INFO L87 Difference]: Start difference. First operand has 565 states, 345 states have (on average 1.3710144927536232) internal successors, (473), 369 states have internal predecessors, (473), 167 states have call successors, (167), 53 states have call predecessors, (167), 51 states have return successors, (161), 156 states have call predecessors, (161), 161 states have call successors, (161) Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 04:05:30,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:05:30,349 INFO L93 Difference]: Finished difference Result 1635 states and 2313 transitions. [2022-11-03 04:05:30,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 04:05:30,352 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 48 [2022-11-03 04:05:30,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:05:30,372 INFO L225 Difference]: With dead ends: 1635 [2022-11-03 04:05:30,372 INFO L226 Difference]: Without dead ends: 1064 [2022-11-03 04:05:30,379 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 [2022-11-03 04:05:30,383 INFO L413 NwaCegarLoop]: 849 mSDtfsCounter, 737 mSDsluCounter, 767 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 737 SdHoareTripleChecker+Valid, 1530 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-03 04:05:30,384 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [737 Valid, 1530 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-11-03 04:05:30,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1064 states. [2022-11-03 04:05:30,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1064 to 1064. [2022-11-03 04:05:30,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1064 states, 657 states have (on average 1.3455098934550989) internal successors, (884), 684 states have internal predecessors, (884), 306 states have call successors, (306), 101 states have call predecessors, (306), 100 states have return successors, (301), 291 states have call predecessors, (301), 301 states have call successors, (301) [2022-11-03 04:05:30,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1064 states to 1064 states and 1491 transitions. [2022-11-03 04:05:30,598 INFO L78 Accepts]: Start accepts. Automaton has 1064 states and 1491 transitions. Word has length 48 [2022-11-03 04:05:30,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:05:30,599 INFO L495 AbstractCegarLoop]: Abstraction has 1064 states and 1491 transitions. [2022-11-03 04:05:30,600 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 04:05:30,600 INFO L276 IsEmpty]: Start isEmpty. Operand 1064 states and 1491 transitions. [2022-11-03 04:05:30,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-11-03 04:05:30,612 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:05:30,612 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 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, 1, 1, 1, 1, 1] [2022-11-03 04:05:30,612 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 04:05:30,613 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:05:30,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:05:30,614 INFO L85 PathProgramCache]: Analyzing trace with hash 893818232, now seen corresponding path program 1 times [2022-11-03 04:05:30,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:05:30,614 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833298915] [2022-11-03 04:05:30,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:05:30,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:05:30,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:05:31,229 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-03 04:05:31,229 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:05:31,230 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833298915] [2022-11-03 04:05:31,230 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833298915] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:05:31,230 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:05:31,231 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 04:05:31,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284528889] [2022-11-03 04:05:31,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:05:31,232 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 04:05:31,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:05:31,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 04:05:31,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:05:31,235 INFO L87 Difference]: Start difference. First operand 1064 states and 1491 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-11-03 04:05:33,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:05:33,412 INFO L93 Difference]: Finished difference Result 2086 states and 2915 transitions. [2022-11-03 04:05:33,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 04:05:33,413 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 55 [2022-11-03 04:05:33,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:05:33,427 INFO L225 Difference]: With dead ends: 2086 [2022-11-03 04:05:33,427 INFO L226 Difference]: Without dead ends: 2083 [2022-11-03 04:05:33,429 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 [2022-11-03 04:05:33,431 INFO L413 NwaCegarLoop]: 835 mSDtfsCounter, 721 mSDsluCounter, 755 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 721 SdHoareTripleChecker+Valid, 1504 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-11-03 04:05:33,432 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [721 Valid, 1504 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-11-03 04:05:33,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2083 states. [2022-11-03 04:05:33,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2083 to 2071. [2022-11-03 04:05:33,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2071 states, 1280 states have (on average 1.34296875) internal successors, (1719), 1330 states have internal predecessors, (1719), 592 states have call successors, (592), 201 states have call predecessors, (592), 198 states have return successors, (587), 563 states have call predecessors, (587), 587 states have call successors, (587) [2022-11-03 04:05:33,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2071 states to 2071 states and 2898 transitions. [2022-11-03 04:05:33,629 INFO L78 Accepts]: Start accepts. Automaton has 2071 states and 2898 transitions. Word has length 55 [2022-11-03 04:05:33,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:05:33,631 INFO L495 AbstractCegarLoop]: Abstraction has 2071 states and 2898 transitions. [2022-11-03 04:05:33,631 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-11-03 04:05:33,631 INFO L276 IsEmpty]: Start isEmpty. Operand 2071 states and 2898 transitions. [2022-11-03 04:05:33,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-11-03 04:05:33,638 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:05:33,638 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 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, 1, 1, 1, 1, 1, 1] [2022-11-03 04:05:33,639 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 04:05:33,640 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:05:33,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:05:33,650 INFO L85 PathProgramCache]: Analyzing trace with hash 1938147081, now seen corresponding path program 1 times [2022-11-03 04:05:33,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:05:33,650 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903583455] [2022-11-03 04:05:33,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:05:33,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:05:33,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:05:34,127 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-03 04:05:34,127 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:05:34,128 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903583455] [2022-11-03 04:05:34,129 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [903583455] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:05:34,130 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:05:34,130 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 04:05:34,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714449226] [2022-11-03 04:05:34,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:05:34,131 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 04:05:34,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:05:34,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 04:05:34,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:05:34,132 INFO L87 Difference]: Start difference. First operand 2071 states and 2898 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-11-03 04:05:36,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:05:36,528 INFO L93 Difference]: Finished difference Result 5090 states and 7112 transitions. [2022-11-03 04:05:36,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 04:05:36,529 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 56 [2022-11-03 04:05:36,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:05:36,548 INFO L225 Difference]: With dead ends: 5090 [2022-11-03 04:05:36,548 INFO L226 Difference]: Without dead ends: 3031 [2022-11-03 04:05:36,557 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 [2022-11-03 04:05:36,559 INFO L413 NwaCegarLoop]: 818 mSDtfsCounter, 675 mSDsluCounter, 754 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 675 SdHoareTripleChecker+Valid, 1487 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-03 04:05:36,559 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [675 Valid, 1487 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-11-03 04:05:36,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3031 states. [2022-11-03 04:05:36,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3031 to 3021. [2022-11-03 04:05:36,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3021 states, 1872 states have (on average 1.3456196581196582) internal successors, (2519), 1945 states have internal predecessors, (2519), 852 states have call successors, (852), 299 states have call predecessors, (852), 296 states have return successors, (847), 811 states have call predecessors, (847), 847 states have call successors, (847) [2022-11-03 04:05:36,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3021 states to 3021 states and 4218 transitions. [2022-11-03 04:05:36,783 INFO L78 Accepts]: Start accepts. Automaton has 3021 states and 4218 transitions. Word has length 56 [2022-11-03 04:05:36,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:05:36,786 INFO L495 AbstractCegarLoop]: Abstraction has 3021 states and 4218 transitions. [2022-11-03 04:05:36,786 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-11-03 04:05:36,786 INFO L276 IsEmpty]: Start isEmpty. Operand 3021 states and 4218 transitions. [2022-11-03 04:05:36,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-11-03 04:05:36,790 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:05:36,790 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:05:36,790 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 04:05:36,793 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:05:36,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:05:36,795 INFO L85 PathProgramCache]: Analyzing trace with hash -47392101, now seen corresponding path program 1 times [2022-11-03 04:05:36,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:05:36,798 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870619906] [2022-11-03 04:05:36,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:05:36,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:05:36,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:05:37,002 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-03 04:05:37,002 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:05:37,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870619906] [2022-11-03 04:05:37,003 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [870619906] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:05:37,003 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:05:37,003 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 04:05:37,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372725874] [2022-11-03 04:05:37,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:05:37,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 04:05:37,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:05:37,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 04:05:37,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:05:37,006 INFO L87 Difference]: Start difference. First operand 3021 states and 4218 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-11-03 04:05:39,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:05:39,249 INFO L93 Difference]: Finished difference Result 3961 states and 5547 transitions. [2022-11-03 04:05:39,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 04:05:39,250 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 57 [2022-11-03 04:05:39,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:05:39,274 INFO L225 Difference]: With dead ends: 3961 [2022-11-03 04:05:39,274 INFO L226 Difference]: Without dead ends: 3958 [2022-11-03 04:05:39,277 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 [2022-11-03 04:05:39,278 INFO L413 NwaCegarLoop]: 818 mSDtfsCounter, 661 mSDsluCounter, 763 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 661 SdHoareTripleChecker+Valid, 1495 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-11-03 04:05:39,279 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [661 Valid, 1495 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-11-03 04:05:39,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3958 states. [2022-11-03 04:05:39,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3958 to 3948. [2022-11-03 04:05:39,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3948 states, 2451 states have (on average 1.3488372093023255) internal successors, (3306), 2551 states have internal predecessors, (3306), 1108 states have call successors, (1108), 393 states have call predecessors, (1108), 388 states have return successors, (1119), 1049 states have call predecessors, (1119), 1103 states have call successors, (1119) [2022-11-03 04:05:39,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3948 states to 3948 states and 5533 transitions. [2022-11-03 04:05:39,574 INFO L78 Accepts]: Start accepts. Automaton has 3948 states and 5533 transitions. Word has length 57 [2022-11-03 04:05:39,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:05:39,575 INFO L495 AbstractCegarLoop]: Abstraction has 3948 states and 5533 transitions. [2022-11-03 04:05:39,575 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-11-03 04:05:39,576 INFO L276 IsEmpty]: Start isEmpty. Operand 3948 states and 5533 transitions. [2022-11-03 04:05:39,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-03 04:05:39,580 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:05:39,580 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:05:39,581 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 04:05:39,583 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:05:39,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:05:39,584 INFO L85 PathProgramCache]: Analyzing trace with hash -1469559732, now seen corresponding path program 1 times [2022-11-03 04:05:39,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:05:39,586 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033290060] [2022-11-03 04:05:39,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:05:39,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:05:39,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:05:39,801 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-03 04:05:39,801 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:05:39,801 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033290060] [2022-11-03 04:05:39,802 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2033290060] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:05:39,802 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:05:39,802 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 04:05:39,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427634913] [2022-11-03 04:05:39,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:05:39,804 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 04:05:39,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:05:39,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 04:05:39,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:05:39,806 INFO L87 Difference]: Start difference. First operand 3948 states and 5533 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-11-03 04:05:41,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:05:41,598 INFO L93 Difference]: Finished difference Result 3950 states and 5534 transitions. [2022-11-03 04:05:41,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 04:05:41,599 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 58 [2022-11-03 04:05:41,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:05:41,622 INFO L225 Difference]: With dead ends: 3950 [2022-11-03 04:05:41,622 INFO L226 Difference]: Without dead ends: 3947 [2022-11-03 04:05:41,626 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 [2022-11-03 04:05:41,627 INFO L413 NwaCegarLoop]: 684 mSDtfsCounter, 746 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 746 SdHoareTripleChecker+Valid, 684 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-03 04:05:41,628 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [746 Valid, 684 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-03 04:05:41,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3947 states. [2022-11-03 04:05:41,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3947 to 3947. [2022-11-03 04:05:41,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3947 states, 2451 states have (on average 1.3484292125662996) internal successors, (3305), 2550 states have internal predecessors, (3305), 1107 states have call successors, (1107), 393 states have call predecessors, (1107), 388 states have return successors, (1119), 1049 states have call predecessors, (1119), 1103 states have call successors, (1119) [2022-11-03 04:05:41,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3947 states to 3947 states and 5531 transitions. [2022-11-03 04:05:41,984 INFO L78 Accepts]: Start accepts. Automaton has 3947 states and 5531 transitions. Word has length 58 [2022-11-03 04:05:41,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:05:41,985 INFO L495 AbstractCegarLoop]: Abstraction has 3947 states and 5531 transitions. [2022-11-03 04:05:41,985 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-11-03 04:05:41,985 INFO L276 IsEmpty]: Start isEmpty. Operand 3947 states and 5531 transitions. [2022-11-03 04:05:41,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-11-03 04:05:41,988 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:05:41,988 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:05:41,989 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-03 04:05:41,989 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:05:41,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:05:41,990 INFO L85 PathProgramCache]: Analyzing trace with hash 1687888830, now seen corresponding path program 1 times [2022-11-03 04:05:41,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:05:41,990 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767463464] [2022-11-03 04:05:41,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:05:41,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:05:42,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:05:42,261 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-03 04:05:42,262 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:05:42,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767463464] [2022-11-03 04:05:42,262 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [767463464] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:05:42,262 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:05:42,263 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 04:05:42,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470970579] [2022-11-03 04:05:42,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:05:42,264 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 04:05:42,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:05:42,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 04:05:42,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:05:42,265 INFO L87 Difference]: Start difference. First operand 3947 states and 5531 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-11-03 04:05:44,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:05:44,109 INFO L93 Difference]: Finished difference Result 3949 states and 5532 transitions. [2022-11-03 04:05:44,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 04:05:44,110 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 59 [2022-11-03 04:05:44,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:05:44,138 INFO L225 Difference]: With dead ends: 3949 [2022-11-03 04:05:44,138 INFO L226 Difference]: Without dead ends: 3934 [2022-11-03 04:05:44,142 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 [2022-11-03 04:05:44,145 INFO L413 NwaCegarLoop]: 683 mSDtfsCounter, 743 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 743 SdHoareTripleChecker+Valid, 683 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-03 04:05:44,145 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [743 Valid, 683 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-03 04:05:44,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3934 states. [2022-11-03 04:05:44,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3934 to 3934. [2022-11-03 04:05:44,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3934 states, 2441 states have (on average 1.3478082752970095) internal successors, (3290), 2539 states have internal predecessors, (3290), 1105 states have call successors, (1105), 392 states have call predecessors, (1105), 387 states have return successors, (1118), 1048 states have call predecessors, (1118), 1102 states have call successors, (1118) [2022-11-03 04:05:44,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3934 states to 3934 states and 5513 transitions. [2022-11-03 04:05:44,515 INFO L78 Accepts]: Start accepts. Automaton has 3934 states and 5513 transitions. Word has length 59 [2022-11-03 04:05:44,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:05:44,515 INFO L495 AbstractCegarLoop]: Abstraction has 3934 states and 5513 transitions. [2022-11-03 04:05:44,516 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-11-03 04:05:44,516 INFO L276 IsEmpty]: Start isEmpty. Operand 3934 states and 5513 transitions. [2022-11-03 04:05:44,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-11-03 04:05:44,523 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:05:44,523 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:05:44,524 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-03 04:05:44,524 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:05:44,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:05:44,525 INFO L85 PathProgramCache]: Analyzing trace with hash 271849217, now seen corresponding path program 1 times [2022-11-03 04:05:44,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:05:44,525 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551782027] [2022-11-03 04:05:44,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:05:44,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:05:44,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:05:44,732 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-11-03 04:05:44,732 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:05:44,733 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551782027] [2022-11-03 04:05:44,733 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1551782027] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:05:44,733 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:05:44,733 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 04:05:44,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276054724] [2022-11-03 04:05:44,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:05:44,735 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 04:05:44,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:05:44,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 04:05:44,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:05:44,736 INFO L87 Difference]: Start difference. First operand 3934 states and 5513 transitions. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-03 04:05:47,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:05:47,465 INFO L93 Difference]: Finished difference Result 10204 states and 14213 transitions. [2022-11-03 04:05:47,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 04:05:47,466 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 114 [2022-11-03 04:05:47,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:05:47,506 INFO L225 Difference]: With dead ends: 10204 [2022-11-03 04:05:47,506 INFO L226 Difference]: Without dead ends: 6282 [2022-11-03 04:05:47,521 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 [2022-11-03 04:05:47,522 INFO L413 NwaCegarLoop]: 767 mSDtfsCounter, 438 mSDsluCounter, 730 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 438 SdHoareTripleChecker+Valid, 1415 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-03 04:05:47,523 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [438 Valid, 1415 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-03 04:05:47,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6282 states. [2022-11-03 04:05:47,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6282 to 6262. [2022-11-03 04:05:47,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6262 states, 3909 states have (on average 1.352519826042466) internal successors, (5287), 4027 states have internal predecessors, (5287), 1693 states have call successors, (1693), 664 states have call predecessors, (1693), 659 states have return successors, (1706), 1636 states have call predecessors, (1706), 1690 states have call successors, (1706) [2022-11-03 04:05:48,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6262 states to 6262 states and 8686 transitions. [2022-11-03 04:05:48,030 INFO L78 Accepts]: Start accepts. Automaton has 6262 states and 8686 transitions. Word has length 114 [2022-11-03 04:05:48,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:05:48,031 INFO L495 AbstractCegarLoop]: Abstraction has 6262 states and 8686 transitions. [2022-11-03 04:05:48,032 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-03 04:05:48,032 INFO L276 IsEmpty]: Start isEmpty. Operand 6262 states and 8686 transitions. [2022-11-03 04:05:48,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-11-03 04:05:48,051 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:05:48,051 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:05:48,051 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-03 04:05:48,052 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:05:48,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:05:48,052 INFO L85 PathProgramCache]: Analyzing trace with hash -263580973, now seen corresponding path program 1 times [2022-11-03 04:05:48,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:05:48,053 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944719145] [2022-11-03 04:05:48,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:05:48,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:05:48,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:05:48,347 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2022-11-03 04:05:48,347 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:05:48,348 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944719145] [2022-11-03 04:05:48,348 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [944719145] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:05:48,348 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:05:48,348 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 04:05:48,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258136577] [2022-11-03 04:05:48,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:05:48,349 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 04:05:48,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:05:48,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 04:05:48,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 04:05:48,351 INFO L87 Difference]: Start difference. First operand 6262 states and 8686 transitions. Second operand has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-03 04:05:52,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:05:52,068 INFO L93 Difference]: Finished difference Result 13941 states and 19731 transitions. [2022-11-03 04:05:52,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 04:05:52,069 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 138 [2022-11-03 04:05:52,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:05:52,110 INFO L225 Difference]: With dead ends: 13941 [2022-11-03 04:05:52,110 INFO L226 Difference]: Without dead ends: 7691 [2022-11-03 04:05:52,136 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 04:05:52,138 INFO L413 NwaCegarLoop]: 974 mSDtfsCounter, 1105 mSDsluCounter, 855 mSDsCounter, 0 mSdLazyCounter, 285 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1105 SdHoareTripleChecker+Valid, 1737 SdHoareTripleChecker+Invalid, 363 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-11-03 04:05:52,138 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1105 Valid, 1737 Invalid, 363 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 285 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-11-03 04:05:52,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7691 states. [2022-11-03 04:05:52,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7691 to 6270. [2022-11-03 04:05:52,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6270 states, 3917 states have (on average 1.350268062292571) internal successors, (5289), 4035 states have internal predecessors, (5289), 1693 states have call successors, (1693), 664 states have call predecessors, (1693), 659 states have return successors, (1706), 1636 states have call predecessors, (1706), 1690 states have call successors, (1706) [2022-11-03 04:05:52,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6270 states to 6270 states and 8688 transitions. [2022-11-03 04:05:52,666 INFO L78 Accepts]: Start accepts. Automaton has 6270 states and 8688 transitions. Word has length 138 [2022-11-03 04:05:52,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:05:52,667 INFO L495 AbstractCegarLoop]: Abstraction has 6270 states and 8688 transitions. [2022-11-03 04:05:52,667 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-03 04:05:52,667 INFO L276 IsEmpty]: Start isEmpty. Operand 6270 states and 8688 transitions. [2022-11-03 04:05:52,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-11-03 04:05:52,677 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:05:52,677 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:05:52,678 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-03 04:05:52,678 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:05:52,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:05:52,678 INFO L85 PathProgramCache]: Analyzing trace with hash -1006628845, now seen corresponding path program 1 times [2022-11-03 04:05:52,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:05:52,679 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833085780] [2022-11-03 04:05:52,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:05:52,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:05:52,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:05:52,883 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2022-11-03 04:05:52,884 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:05:52,884 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833085780] [2022-11-03 04:05:52,884 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833085780] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:05:52,884 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:05:52,884 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 04:05:52,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160354887] [2022-11-03 04:05:52,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:05:52,886 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 04:05:52,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:05:52,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 04:05:52,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:05:52,887 INFO L87 Difference]: Start difference. First operand 6270 states and 8688 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-03 04:05:56,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:05:56,977 INFO L93 Difference]: Finished difference Result 15685 states and 21720 transitions. [2022-11-03 04:05:56,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 04:05:56,978 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 140 [2022-11-03 04:05:56,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:05:57,023 INFO L225 Difference]: With dead ends: 15685 [2022-11-03 04:05:57,024 INFO L226 Difference]: Without dead ends: 9427 [2022-11-03 04:05:57,052 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 [2022-11-03 04:05:57,054 INFO L413 NwaCegarLoop]: 1318 mSDtfsCounter, 733 mSDsluCounter, 754 mSDsCounter, 0 mSdLazyCounter, 273 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 733 SdHoareTripleChecker+Valid, 1987 SdHoareTripleChecker+Invalid, 274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 273 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-11-03 04:05:57,055 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [733 Valid, 1987 Invalid, 274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 273 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-11-03 04:05:57,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9427 states. [2022-11-03 04:05:58,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9427 to 9393. [2022-11-03 04:05:58,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9393 states, 5857 states have (on average 1.3508622161516135) internal successors, (7912), 6037 states have internal predecessors, (7912), 2538 states have call successors, (2538), 1004 states have call predecessors, (2538), 997 states have return successors, (2559), 2446 states have call predecessors, (2559), 2535 states have call successors, (2559) [2022-11-03 04:05:58,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9393 states to 9393 states and 13009 transitions. [2022-11-03 04:05:58,157 INFO L78 Accepts]: Start accepts. Automaton has 9393 states and 13009 transitions. Word has length 140 [2022-11-03 04:05:58,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:05:58,158 INFO L495 AbstractCegarLoop]: Abstraction has 9393 states and 13009 transitions. [2022-11-03 04:05:58,158 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-03 04:05:58,158 INFO L276 IsEmpty]: Start isEmpty. Operand 9393 states and 13009 transitions. [2022-11-03 04:05:58,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2022-11-03 04:05:58,175 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:05:58,175 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 2, 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, 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, 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] [2022-11-03 04:05:58,176 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-03 04:05:58,176 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:05:58,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:05:58,177 INFO L85 PathProgramCache]: Analyzing trace with hash 1734606881, now seen corresponding path program 1 times [2022-11-03 04:05:58,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:05:58,177 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179850868] [2022-11-03 04:05:58,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:05:58,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:05:58,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:05:58,478 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2022-11-03 04:05:58,479 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:05:58,479 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179850868] [2022-11-03 04:05:58,479 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1179850868] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:05:58,480 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:05:58,480 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 04:05:58,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853656333] [2022-11-03 04:05:58,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:05:58,481 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 04:05:58,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:05:58,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 04:05:58,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:05:58,482 INFO L87 Difference]: Start difference. First operand 9393 states and 13009 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-11-03 04:06:03,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:06:03,192 INFO L93 Difference]: Finished difference Result 22812 states and 31545 transitions. [2022-11-03 04:06:03,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 04:06:03,193 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 143 [2022-11-03 04:06:03,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:06:03,256 INFO L225 Difference]: With dead ends: 22812 [2022-11-03 04:06:03,256 INFO L226 Difference]: Without dead ends: 13431 [2022-11-03 04:06:03,289 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 [2022-11-03 04:06:03,290 INFO L413 NwaCegarLoop]: 1174 mSDtfsCounter, 679 mSDsluCounter, 644 mSDsCounter, 0 mSdLazyCounter, 249 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 679 SdHoareTripleChecker+Valid, 1749 SdHoareTripleChecker+Invalid, 258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 249 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-11-03 04:06:03,292 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [679 Valid, 1749 Invalid, 258 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 249 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-11-03 04:06:03,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13431 states. [2022-11-03 04:06:04,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13431 to 13399. [2022-11-03 04:06:04,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13399 states, 8409 states have (on average 1.3517659650374598) internal successors, (11367), 8642 states have internal predecessors, (11367), 3523 states have call successors, (3523), 1473 states have call predecessors, (3523), 1466 states have return successors, (3544), 3415 states have call predecessors, (3544), 3520 states have call successors, (3544) [2022-11-03 04:06:04,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13399 states to 13399 states and 18434 transitions. [2022-11-03 04:06:04,611 INFO L78 Accepts]: Start accepts. Automaton has 13399 states and 18434 transitions. Word has length 143 [2022-11-03 04:06:04,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:06:04,612 INFO L495 AbstractCegarLoop]: Abstraction has 13399 states and 18434 transitions. [2022-11-03 04:06:04,612 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-11-03 04:06:04,613 INFO L276 IsEmpty]: Start isEmpty. Operand 13399 states and 18434 transitions. [2022-11-03 04:06:04,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-11-03 04:06:04,638 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:06:04,639 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 2, 2, 2, 2, 2, 2, 2, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:06:04,639 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-03 04:06:04,639 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:06:04,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:06:04,640 INFO L85 PathProgramCache]: Analyzing trace with hash -991630879, now seen corresponding path program 1 times [2022-11-03 04:06:04,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:06:04,641 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375845487] [2022-11-03 04:06:04,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:06:04,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:06:04,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:06:05,975 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2022-11-03 04:06:05,976 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:06:05,976 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375845487] [2022-11-03 04:06:05,976 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375845487] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 04:06:05,977 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [13048750] [2022-11-03 04:06:05,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:06:05,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 04:06:05,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a592acfc-c4b2-48ed-b150-f7f9c355f9a3/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 04:06:05,980 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a592acfc-c4b2-48ed-b150-f7f9c355f9a3/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 04:06:06,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a592acfc-c4b2-48ed-b150-f7f9c355f9a3/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-03 04:06:06,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:06:06,877 INFO L263 TraceCheckSpWp]: Trace formula consists of 1873 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-03 04:06:06,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:06:07,281 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 81 proven. 1 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2022-11-03 04:06:07,282 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 04:06:07,601 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2022-11-03 04:06:07,601 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [13048750] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-03 04:06:07,601 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 04:06:07,602 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7, 5] total 11 [2022-11-03 04:06:07,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650490989] [2022-11-03 04:06:07,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:06:07,603 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 04:06:07,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:06:07,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 04:06:07,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2022-11-03 04:06:07,604 INFO L87 Difference]: Start difference. First operand 13399 states and 18434 transitions. Second operand has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 6 states have internal predecessors, (88), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-11-03 04:06:15,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:06:15,914 INFO L93 Difference]: Finished difference Result 36559 states and 51904 transitions. [2022-11-03 04:06:15,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 04:06:15,914 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 6 states have internal predecessors, (88), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 166 [2022-11-03 04:06:15,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:06:16,015 INFO L225 Difference]: With dead ends: 36559 [2022-11-03 04:06:16,015 INFO L226 Difference]: Without dead ends: 23172 [2022-11-03 04:06:16,061 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 339 GetRequests, 329 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2022-11-03 04:06:16,061 INFO L413 NwaCegarLoop]: 1010 mSDtfsCounter, 1153 mSDsluCounter, 1517 mSDsCounter, 0 mSdLazyCounter, 1123 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1244 SdHoareTripleChecker+Valid, 2284 SdHoareTripleChecker+Invalid, 1168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 1123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2022-11-03 04:06:16,062 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1244 Valid, 2284 Invalid, 1168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 1123 Invalid, 0 Unknown, 0 Unchecked, 6.7s Time] [2022-11-03 04:06:16,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23172 states. [2022-11-03 04:06:17,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23172 to 17435. [2022-11-03 04:06:17,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17435 states, 10952 states have (on average 1.3530861943024106) internal successors, (14819), 11217 states have internal predecessors, (14819), 4529 states have call successors, (4529), 1963 states have call predecessors, (4529), 1953 states have return successors, (4550), 4414 states have call predecessors, (4550), 4526 states have call successors, (4550) [2022-11-03 04:06:17,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17435 states to 17435 states and 23898 transitions. [2022-11-03 04:06:17,624 INFO L78 Accepts]: Start accepts. Automaton has 17435 states and 23898 transitions. Word has length 166 [2022-11-03 04:06:17,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:06:17,625 INFO L495 AbstractCegarLoop]: Abstraction has 17435 states and 23898 transitions. [2022-11-03 04:06:17,625 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 6 states have internal predecessors, (88), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-11-03 04:06:17,625 INFO L276 IsEmpty]: Start isEmpty. Operand 17435 states and 23898 transitions. [2022-11-03 04:06:17,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-11-03 04:06:17,654 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:06:17,654 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 2, 2, 2, 2, 2, 2, 2, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:06:17,696 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a592acfc-c4b2-48ed-b150-f7f9c355f9a3/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-03 04:06:17,870 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a592acfc-c4b2-48ed-b150-f7f9c355f9a3/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-11-03 04:06:17,871 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:06:17,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:06:17,871 INFO L85 PathProgramCache]: Analyzing trace with hash 338541419, now seen corresponding path program 1 times [2022-11-03 04:06:17,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:06:17,872 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465440742] [2022-11-03 04:06:17,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:06:17,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:06:18,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:06:18,978 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2022-11-03 04:06:18,979 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:06:18,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465440742] [2022-11-03 04:06:18,979 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1465440742] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 04:06:18,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [915343100] [2022-11-03 04:06:18,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:06:18,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 04:06:18,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a592acfc-c4b2-48ed-b150-f7f9c355f9a3/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 04:06:18,983 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a592acfc-c4b2-48ed-b150-f7f9c355f9a3/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 04:06:19,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a592acfc-c4b2-48ed-b150-f7f9c355f9a3/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-03 04:06:19,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:06:19,690 INFO L263 TraceCheckSpWp]: Trace formula consists of 1873 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-03 04:06:19,696 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:06:20,018 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 60 proven. 13 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-11-03 04:06:20,018 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 04:06:20,499 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 4 proven. 11 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2022-11-03 04:06:20,500 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [915343100] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 04:06:20,500 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [966467865] [2022-11-03 04:06:20,530 INFO L159 IcfgInterpreter]: Started Sifa with 115 locations of interest [2022-11-03 04:06:20,531 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 04:06:20,535 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 04:06:20,541 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 04:06:20,541 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 04:06:21,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:21,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:21,271 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 120 [2022-11-03 04:06:21,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:21,759 INFO L244 Elim1Store]: Index analysis took 306 ms [2022-11-03 04:06:27,954 WARN L234 SmtUtils]: Spent 6.18s on a formula simplification. DAG size of input: 742 DAG size of output: 405 (called from [L 353] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-03 04:06:28,028 INFO L356 Elim1Store]: treesize reduction 1206, result has 33.4 percent of original size [2022-11-03 04:06:28,030 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 70 select indices, 70 select index equivalence classes, 2348 disjoint index pairs (out of 2415 index pairs), introduced 70 new quantified variables, introduced 134 case distinctions, treesize of input 357 treesize of output 829 [2022-11-03 04:06:29,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:29,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:29,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:29,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:29,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:29,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:29,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:29,420 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 28 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 62 [2022-11-03 04:06:29,542 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 9 [2022-11-03 04:06:29,673 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-03 04:06:29,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:29,863 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 68 select indices, 68 select index equivalence classes, 2347 disjoint index pairs (out of 2278 index pairs), introduced 68 new quantified variables, introduced 0 case distinctions, treesize of input 347 treesize of output 550 [2022-11-03 04:06:31,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:31,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:31,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:31,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:31,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:31,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:31,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:31,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:31,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:31,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:31,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:31,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:31,132 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 78 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 107 [2022-11-03 04:06:33,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:33,661 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 70 select indices, 70 select index equivalence classes, 2415 disjoint index pairs (out of 2415 index pairs), introduced 70 new quantified variables, introduced 0 case distinctions, treesize of input 351 treesize of output 211 [2022-11-03 04:06:33,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:33,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:33,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:33,860 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 225 treesize of output 185 [2022-11-03 04:06:33,926 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 55 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 34 [2022-11-03 04:06:34,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:34,107 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 69 select indices, 69 select index equivalence classes, 2347 disjoint index pairs (out of 2346 index pairs), introduced 69 new quantified variables, introduced 0 case distinctions, treesize of input 346 treesize of output 208 [2022-11-03 04:06:35,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:35,889 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 70 select indices, 70 select index equivalence classes, 2415 disjoint index pairs (out of 2415 index pairs), introduced 70 new quantified variables, introduced 0 case distinctions, treesize of input 351 treesize of output 211 [2022-11-03 04:06:36,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:36,108 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 69 select indices, 69 select index equivalence classes, 2347 disjoint index pairs (out of 2346 index pairs), introduced 69 new quantified variables, introduced 0 case distinctions, treesize of input 346 treesize of output 208 [2022-11-03 04:06:36,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:36,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:36,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:36,273 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 225 treesize of output 185 [2022-11-03 04:06:36,329 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 55 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 34 [2022-11-03 04:06:48,028 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_zalloc with input of size 1147 for LOIs [2022-11-03 04:06:55,653 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 04:07:15,310 WARN L234 SmtUtils]: Spent 18.64s on a formula simplification. DAG size of input: 1012 DAG size of output: 876 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 04:09:52,758 WARN L234 SmtUtils]: Spent 2.59m on a formula simplification. DAG size of input: 1147 DAG size of output: 1088 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 04:12:15,274 WARN L234 SmtUtils]: Spent 2.33m on a formula simplification. DAG size of input: 1155 DAG size of output: 1096 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 04:14:44,996 WARN L234 SmtUtils]: Spent 2.46m on a formula simplification. DAG size of input: 1161 DAG size of output: 1102 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 04:14:51,448 WARN L234 SmtUtils]: Spent 5.81s on a formula simplification. DAG size of input: 640 DAG size of output: 637 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 04:14:58,177 WARN L234 SmtUtils]: Spent 6.06s on a formula simplification. DAG size of input: 644 DAG size of output: 641 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 04:15:05,177 WARN L234 SmtUtils]: Spent 6.35s on a formula simplification. DAG size of input: 652 DAG size of output: 645 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 04:15:12,577 WARN L234 SmtUtils]: Spent 6.72s on a formula simplification. DAG size of input: 662 DAG size of output: 655 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 04:15:20,393 WARN L234 SmtUtils]: Spent 7.08s on a formula simplification. DAG size of input: 670 DAG size of output: 660 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 04:15:28,642 WARN L234 SmtUtils]: Spent 7.48s on a formula simplification. DAG size of input: 680 DAG size of output: 670 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 04:15:37,296 WARN L234 SmtUtils]: Spent 7.87s on a formula simplification. DAG size of input: 688 DAG size of output: 675 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 04:15:46,368 WARN L234 SmtUtils]: Spent 8.22s on a formula simplification. DAG size of input: 692 DAG size of output: 679 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 04:15:55,971 WARN L234 SmtUtils]: Spent 8.76s on a formula simplification. DAG size of input: 700 DAG size of output: 684 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 04:16:06,077 WARN L234 SmtUtils]: Spent 9.26s on a formula simplification. DAG size of input: 714 DAG size of output: 698 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 04:16:06,108 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [966467865] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:16:06,108 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-03 04:16:06,109 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [5, 6, 7] total 28 [2022-11-03 04:16:06,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556317456] [2022-11-03 04:16:06,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:16:06,110 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-11-03 04:16:06,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:16:06,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-03 04:16:06,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=168, Invalid=588, Unknown=0, NotChecked=0, Total=756 [2022-11-03 04:16:06,111 INFO L87 Difference]: Start difference. First operand 17435 states and 23898 transitions. Second operand has 16 states, 11 states have (on average 7.181818181818182) internal successors, (79), 9 states have internal predecessors, (79), 6 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 6 states have call predecessors, (24), 6 states have call successors, (24) [2022-11-03 04:16:16,258 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:16:29,555 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:16:39,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:16:39,083 INFO L93 Difference]: Finished difference Result 34873 states and 47804 transitions. [2022-11-03 04:16:39,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-03 04:16:39,087 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 11 states have (on average 7.181818181818182) internal successors, (79), 9 states have internal predecessors, (79), 6 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 6 states have call predecessors, (24), 6 states have call successors, (24) Word has length 166 [2022-11-03 04:16:39,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:16:39,150 INFO L225 Difference]: With dead ends: 34873 [2022-11-03 04:16:39,150 INFO L226 Difference]: Without dead ends: 17450 [2022-11-03 04:16:39,188 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 502 GetRequests, 476 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 550.5s TimeCoverageRelationStatistics Valid=168, Invalid=588, Unknown=0, NotChecked=0, Total=756 [2022-11-03 04:16:39,188 INFO L413 NwaCegarLoop]: 680 mSDtfsCounter, 1 mSDsluCounter, 1993 mSDsCounter, 0 mSdLazyCounter, 988 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 2507 SdHoareTripleChecker+Invalid, 2201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 988 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1202 IncrementalHoareTripleChecker+Unchecked, 32.1s IncrementalHoareTripleChecker+Time [2022-11-03 04:16:39,189 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 2507 Invalid, 2201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 988 Invalid, 0 Unknown, 1202 Unchecked, 32.1s Time] [2022-11-03 04:16:39,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17450 states. [2022-11-03 04:16:40,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17450 to 17449. [2022-11-03 04:16:40,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17449 states, 10961 states have (on average 1.3528875102636622) internal successors, (14829), 11225 states have internal predecessors, (14829), 4533 states have call successors, (4533), 1964 states have call predecessors, (4533), 1954 states have return successors, (4559), 4419 states have call predecessors, (4559), 4530 states have call successors, (4559) [2022-11-03 04:16:40,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17449 states to 17449 states and 23921 transitions. [2022-11-03 04:16:40,480 INFO L78 Accepts]: Start accepts. Automaton has 17449 states and 23921 transitions. Word has length 166 [2022-11-03 04:16:40,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:16:40,480 INFO L495 AbstractCegarLoop]: Abstraction has 17449 states and 23921 transitions. [2022-11-03 04:16:40,481 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 11 states have (on average 7.181818181818182) internal successors, (79), 9 states have internal predecessors, (79), 6 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 6 states have call predecessors, (24), 6 states have call successors, (24) [2022-11-03 04:16:40,481 INFO L276 IsEmpty]: Start isEmpty. Operand 17449 states and 23921 transitions. [2022-11-03 04:16:40,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2022-11-03 04:16:40,500 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:16:40,500 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 2, 2, 2, 2, 2, 2, 2, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:16:40,541 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a592acfc-c4b2-48ed-b150-f7f9c355f9a3/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-03 04:16:40,726 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a592acfc-c4b2-48ed-b150-f7f9c355f9a3/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 04:16:40,726 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:16:40,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:16:40,727 INFO L85 PathProgramCache]: Analyzing trace with hash -1118586903, now seen corresponding path program 1 times [2022-11-03 04:16:40,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:16:40,727 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104168510] [2022-11-03 04:16:40,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:16:40,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:16:40,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:16:41,496 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2022-11-03 04:16:41,497 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:16:41,497 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104168510] [2022-11-03 04:16:41,497 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1104168510] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 04:16:41,497 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1229483641] [2022-11-03 04:16:41,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:16:41,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 04:16:41,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a592acfc-c4b2-48ed-b150-f7f9c355f9a3/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 04:16:41,499 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a592acfc-c4b2-48ed-b150-f7f9c355f9a3/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 04:16:41,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a592acfc-c4b2-48ed-b150-f7f9c355f9a3/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-03 04:16:42,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:16:42,223 INFO L263 TraceCheckSpWp]: Trace formula consists of 1888 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-03 04:16:42,231 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:16:42,507 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 60 proven. 13 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2022-11-03 04:16:42,508 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 04:16:42,785 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 4 proven. 11 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2022-11-03 04:16:42,785 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1229483641] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 04:16:42,785 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [788276479] [2022-11-03 04:16:42,789 INFO L159 IcfgInterpreter]: Started Sifa with 115 locations of interest [2022-11-03 04:16:42,789 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 04:16:42,790 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 04:16:42,790 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 04:16:42,790 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 04:16:43,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:16:43,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:16:43,337 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 120 [2022-11-03 04:16:43,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:16:43,682 INFO L244 Elim1Store]: Index analysis took 237 ms [2022-11-03 04:16:49,360 WARN L234 SmtUtils]: Spent 5.67s on a formula simplification. DAG size of input: 742 DAG size of output: 405 (called from [L 353] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-03 04:16:49,363 INFO L356 Elim1Store]: treesize reduction 1206, result has 33.4 percent of original size [2022-11-03 04:16:49,365 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 70 select indices, 70 select index equivalence classes, 2348 disjoint index pairs (out of 2415 index pairs), introduced 70 new quantified variables, introduced 134 case distinctions, treesize of input 357 treesize of output 829 [2022-11-03 04:16:50,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:16:50,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:16:50,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:16:50,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:16:50,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:16:50,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:16:50,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:16:50,307 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 28 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 62 [2022-11-03 04:16:50,397 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 9 [2022-11-03 04:16:50,492 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-03 04:16:50,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:16:50,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:16:50,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:16:50,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:16:50,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:16:51,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:16:51,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:16:51,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:16:51,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:16:51,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:16:51,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:16:51,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:16:51,074 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 78 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 107 [2022-11-03 04:16:51,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:16:51,238 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 68 select indices, 68 select index equivalence classes, 2347 disjoint index pairs (out of 2278 index pairs), introduced 68 new quantified variables, introduced 0 case distinctions, treesize of input 347 treesize of output 550 [2022-11-03 04:16:53,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:16:53,150 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 70 select indices, 70 select index equivalence classes, 2415 disjoint index pairs (out of 2415 index pairs), introduced 70 new quantified variables, introduced 0 case distinctions, treesize of input 351 treesize of output 211 [2022-11-03 04:16:53,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:16:53,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:16:53,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:16:53,253 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 225 treesize of output 185 [2022-11-03 04:16:53,298 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 55 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 34 [2022-11-03 04:16:53,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:16:53,454 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 69 select indices, 69 select index equivalence classes, 2347 disjoint index pairs (out of 2346 index pairs), introduced 69 new quantified variables, introduced 0 case distinctions, treesize of input 346 treesize of output 208 [2022-11-03 04:16:54,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:16:54,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:16:54,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:16:54,974 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 225 treesize of output 185 [2022-11-03 04:16:55,024 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 55 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 34 [2022-11-03 04:16:55,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:16:55,147 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 69 select indices, 69 select index equivalence classes, 2347 disjoint index pairs (out of 2346 index pairs), introduced 69 new quantified variables, introduced 0 case distinctions, treesize of input 346 treesize of output 208 [2022-11-03 04:16:55,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:16:55,481 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 70 select indices, 70 select index equivalence classes, 2415 disjoint index pairs (out of 2415 index pairs), introduced 70 new quantified variables, introduced 0 case distinctions, treesize of input 351 treesize of output 211 [2022-11-03 04:17:02,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:02,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:02,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:02,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:02,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:02,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:02,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:02,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:02,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:02,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:02,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:02,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:02,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:02,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:02,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:02,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:02,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:02,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:02,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:02,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:02,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:02,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:02,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:02,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:02,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:02,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:02,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:02,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:02,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:02,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:02,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:02,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:02,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:02,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:02,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:02,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:02,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:02,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:02,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:02,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:02,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:02,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:02,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:02,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:02,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:02,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:02,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:02,758 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 47 select indices, 47 select index equivalence classes, 588 disjoint index pairs (out of 1081 index pairs), introduced 47 new quantified variables, introduced 0 case distinctions, treesize of input 436 treesize of output 573 [2022-11-03 04:17:03,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:03,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:03,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:03,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:03,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:03,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:03,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:03,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:03,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:03,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:03,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:03,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:03,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:03,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:03,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:03,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:03,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:03,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:03,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:03,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:03,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:03,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:03,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:03,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:03,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:03,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:03,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:03,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:03,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:03,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:03,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:03,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:03,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:03,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:03,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:03,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:03,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:03,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:03,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:03,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:03,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:03,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:03,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:03,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:03,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:03,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:03,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:03,099 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 47 select indices, 47 select index equivalence classes, 588 disjoint index pairs (out of 1081 index pairs), introduced 47 new quantified variables, introduced 0 case distinctions, treesize of input 434 treesize of output 571 [2022-11-03 04:17:03,298 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-03 04:17:05,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:05,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:05,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:05,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:05,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:05,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:05,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:05,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:05,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:05,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:05,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:05,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:05,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:05,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:05,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:05,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:05,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:05,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:05,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:05,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:05,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:05,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:05,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:05,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:05,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:05,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:05,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:05,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:05,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:05,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:05,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:05,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:05,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:05,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:05,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:05,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:05,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:05,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:05,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:05,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:05,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:05,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:05,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:05,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:05,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:05,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:05,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:05,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:05,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:05,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:05,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:05,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:05,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:05,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:05,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:05,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:05,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:05,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:05,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:05,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:05,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:05,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:05,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:05,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:05,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:05,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:05,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:05,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:05,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:05,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:05,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:05,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:05,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:05,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:05,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:05,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:05,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:05,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:05,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:05,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:05,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:05,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:05,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:05,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:05,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:05,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:05,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:05,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:05,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:05,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:05,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:05,818 INFO L356 Elim1Store]: treesize reduction 100, result has 13.0 percent of original size [2022-11-03 04:17:05,820 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 48 select indices, 48 select index equivalence classes, 677 disjoint index pairs (out of 1128 index pairs), introduced 48 new quantified variables, introduced 49 case distinctions, treesize of input 2815 treesize of output 2677 [2022-11-03 04:17:06,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:06,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:06,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:06,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:06,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:06,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:06,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:06,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:06,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:06,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:06,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:06,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:06,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:06,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:06,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:06,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:06,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:06,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:06,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:06,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:06,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:06,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:06,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:06,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:06,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:06,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:06,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:06,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:06,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:06,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:06,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:06,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:06,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:06,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:06,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:06,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:06,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:06,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:06,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:06,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:06,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:06,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:06,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:06,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:06,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:06,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:06,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:06,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:06,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:06,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:06,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:06,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:06,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:06,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:06,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:06,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:06,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:06,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:06,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:06,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:06,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:06,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:06,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:06,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:06,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:06,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:06,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:06,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:06,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:06,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:06,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:06,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:06,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:06,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:06,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:06,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:06,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:06,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:06,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:06,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:06,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:06,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:06,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:06,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:06,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:06,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:06,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:06,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:06,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:06,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:06,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:17:06,604 INFO L356 Elim1Store]: treesize reduction 96, result has 13.5 percent of original size [2022-11-03 04:17:06,606 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 48 select indices, 48 select index equivalence classes, 677 disjoint index pairs (out of 1128 index pairs), introduced 48 new quantified variables, introduced 49 case distinctions, treesize of input 2813 treesize of output 2675 [2022-11-03 04:17:06,985 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 2813 treesize of output 2812 [2022-11-03 04:17:08,814 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-03 04:17:09,063 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-03 04:17:09,113 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-03 04:17:30,824 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_zalloc with input of size 1147 for LOIs [2022-11-03 04:17:36,546 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_malloc with input of size 131 for LOIs [2022-11-03 04:17:36,574 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 04:17:56,140 WARN L234 SmtUtils]: Spent 18.70s on a formula simplification. DAG size of input: 1012 DAG size of output: 876 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)