./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--fddi--defxx.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f 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_7498af8a-4d1f-4f2c-8334-385b17662a9e/bin/utaipan-Xvt2sAort0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7498af8a-4d1f-4f2c-8334-385b17662a9e/bin/utaipan-Xvt2sAort0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7498af8a-4d1f-4f2c-8334-385b17662a9e/bin/utaipan-Xvt2sAort0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7498af8a-4d1f-4f2c-8334-385b17662a9e/bin/utaipan-Xvt2sAort0/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--fddi--defxx.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7498af8a-4d1f-4f2c-8334-385b17662a9e/bin/utaipan-Xvt2sAort0/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7498af8a-4d1f-4f2c-8334-385b17662a9e/bin/utaipan-Xvt2sAort0 --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 e8e67529e4f1862dffb4b20b34b9723f96164119a4ebff5a58d56eaf6134a8d1 --- 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-e04fb08 [2022-11-16 19:25:02,734 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 19:25:02,736 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 19:25:02,753 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 19:25:02,754 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 19:25:02,755 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 19:25:02,756 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 19:25:02,758 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 19:25:02,759 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 19:25:02,760 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 19:25:02,761 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 19:25:02,762 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 19:25:02,763 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 19:25:02,764 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 19:25:02,765 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 19:25:02,766 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 19:25:02,767 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 19:25:02,768 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 19:25:02,769 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 19:25:02,771 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 19:25:02,772 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 19:25:02,774 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 19:25:02,775 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 19:25:02,776 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 19:25:02,779 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 19:25:02,779 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 19:25:02,780 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 19:25:02,781 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 19:25:02,781 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 19:25:02,782 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 19:25:02,783 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 19:25:02,783 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 19:25:02,784 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 19:25:02,785 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 19:25:02,786 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 19:25:02,786 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 19:25:02,787 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 19:25:02,787 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 19:25:02,788 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 19:25:02,789 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 19:25:02,790 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 19:25:02,790 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7498af8a-4d1f-4f2c-8334-385b17662a9e/bin/utaipan-Xvt2sAort0/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-16 19:25:02,810 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 19:25:02,811 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 19:25:02,811 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 19:25:02,811 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 19:25:02,812 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 19:25:02,812 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 19:25:02,813 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-16 19:25:02,813 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-16 19:25:02,813 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-16 19:25:02,813 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-16 19:25:02,814 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-16 19:25:02,814 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-16 19:25:02,814 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-16 19:25:02,814 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-16 19:25:02,814 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-16 19:25:02,815 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-16 19:25:02,815 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-16 19:25:02,815 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-16 19:25:02,816 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 19:25:02,816 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 19:25:02,816 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 19:25:02,817 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 19:25:02,817 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 19:25:02,817 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 19:25:02,817 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 19:25:02,817 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 19:25:02,818 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 19:25:02,818 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 19:25:02,818 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 19:25:02,818 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 19:25:02,819 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 19:25:02,819 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-16 19:25:02,819 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 19:25:02,819 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 19:25:02,819 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-16 19:25:02,820 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 19:25:02,820 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 19:25:02,820 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-16 19:25:02,820 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_7498af8a-4d1f-4f2c-8334-385b17662a9e/bin/utaipan-Xvt2sAort0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7498af8a-4d1f-4f2c-8334-385b17662a9e/bin/utaipan-Xvt2sAort0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e8e67529e4f1862dffb4b20b34b9723f96164119a4ebff5a58d56eaf6134a8d1 [2022-11-16 19:25:03,103 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 19:25:03,130 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 19:25:03,134 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 19:25:03,136 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 19:25:03,136 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 19:25:03,138 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7498af8a-4d1f-4f2c-8334-385b17662a9e/bin/utaipan-Xvt2sAort0/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--fddi--defxx.ko-entry_point.cil.out.i [2022-11-16 19:25:03,209 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7498af8a-4d1f-4f2c-8334-385b17662a9e/bin/utaipan-Xvt2sAort0/data/d498bb5a8/6b0c1fd4e3a94bbc92b24d3b72d96a0a/FLAG509b4295b [2022-11-16 19:25:04,081 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 19:25:04,082 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7498af8a-4d1f-4f2c-8334-385b17662a9e/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--fddi--defxx.ko-entry_point.cil.out.i [2022-11-16 19:25:04,133 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7498af8a-4d1f-4f2c-8334-385b17662a9e/bin/utaipan-Xvt2sAort0/data/d498bb5a8/6b0c1fd4e3a94bbc92b24d3b72d96a0a/FLAG509b4295b [2022-11-16 19:25:04,568 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7498af8a-4d1f-4f2c-8334-385b17662a9e/bin/utaipan-Xvt2sAort0/data/d498bb5a8/6b0c1fd4e3a94bbc92b24d3b72d96a0a [2022-11-16 19:25:04,571 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 19:25:04,572 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 19:25:04,574 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 19:25:04,574 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 19:25:04,578 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 19:25:04,579 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:25:04" (1/1) ... [2022-11-16 19:25:04,580 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8bb9af3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:25:04, skipping insertion in model container [2022-11-16 19:25:04,580 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:25:04" (1/1) ... [2022-11-16 19:25:04,587 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 19:25:04,730 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 19:25:06,620 WARN L229 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_7498af8a-4d1f-4f2c-8334-385b17662a9e/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--fddi--defxx.ko-entry_point.cil.out.i[283284,283297] [2022-11-16 19:25:06,681 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 19:25:06,722 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 19:25:07,150 WARN L229 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_7498af8a-4d1f-4f2c-8334-385b17662a9e/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--fddi--defxx.ko-entry_point.cil.out.i[283284,283297] [2022-11-16 19:25:07,159 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 19:25:07,288 INFO L208 MainTranslator]: Completed translation [2022-11-16 19:25:07,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:25:07 WrapperNode [2022-11-16 19:25:07,288 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 19:25:07,289 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 19:25:07,290 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 19:25:07,290 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 19:25:07,298 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:25:07" (1/1) ... [2022-11-16 19:25:07,381 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:25:07" (1/1) ... [2022-11-16 19:25:07,564 INFO L138 Inliner]: procedures = 215, calls = 1656, calls flagged for inlining = 108, calls inlined = 105, statements flattened = 3129 [2022-11-16 19:25:07,565 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 19:25:07,566 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 19:25:07,566 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 19:25:07,566 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 19:25:07,577 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:25:07" (1/1) ... [2022-11-16 19:25:07,578 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:25:07" (1/1) ... [2022-11-16 19:25:07,631 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:25:07" (1/1) ... [2022-11-16 19:25:07,632 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:25:07" (1/1) ... [2022-11-16 19:25:07,768 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:25:07" (1/1) ... [2022-11-16 19:25:07,796 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:25:07" (1/1) ... [2022-11-16 19:25:07,828 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:25:07" (1/1) ... [2022-11-16 19:25:07,845 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:25:07" (1/1) ... [2022-11-16 19:25:07,870 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 19:25:07,871 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 19:25:07,871 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 19:25:07,871 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 19:25:07,872 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:25:07" (1/1) ... [2022-11-16 19:25:07,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 19:25:07,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7498af8a-4d1f-4f2c-8334-385b17662a9e/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 19:25:07,905 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7498af8a-4d1f-4f2c-8334-385b17662a9e/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 19:25:07,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7498af8a-4d1f-4f2c-8334-385b17662a9e/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 19:25:07,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-16 19:25:07,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-16 19:25:07,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-16 19:25:07,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-16 19:25:07,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-16 19:25:07,956 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-16 19:25:07,956 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-11-16 19:25:07,956 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-11-16 19:25:07,956 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-16 19:25:07,956 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-16 19:25:07,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-11-16 19:25:07,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-11-16 19:25:07,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-16 19:25:07,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-16 19:25:07,957 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-16 19:25:07,957 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-16 19:25:07,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-16 19:25:07,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-16 19:25:07,958 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-16 19:25:07,958 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-16 19:25:07,958 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-16 19:25:07,958 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-16 19:25:07,958 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-16 19:25:07,959 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-16 19:25:07,959 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-16 19:25:07,959 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-16 19:25:07,959 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-11-16 19:25:07,959 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-11-16 19:25:07,959 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-16 19:25:07,960 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-16 19:25:07,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 19:25:07,960 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_port_read_long [2022-11-16 19:25:07,960 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_port_read_long [2022-11-16 19:25:07,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-16 19:25:07,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-11-16 19:25:07,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-11-16 19:25:07,961 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-16 19:25:07,961 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-16 19:25:07,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 19:25:07,961 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-16 19:25:07,961 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-16 19:25:07,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-16 19:25:07,962 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_adap_init [2022-11-16 19:25:07,962 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_adap_init [2022-11-16 19:25:07,962 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-16 19:25:07,962 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-16 19:25:07,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2022-11-16 19:25:07,963 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2022-11-16 19:25:07,964 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_int_common [2022-11-16 19:25:07,964 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_int_common [2022-11-16 19:25:07,964 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-16 19:25:07,965 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-16 19:25:07,965 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-11-16 19:25:07,965 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-11-16 19:25:07,965 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-16 19:25:07,966 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-16 19:25:07,966 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_rcv_flush [2022-11-16 19:25:07,966 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_rcv_flush [2022-11-16 19:25:07,966 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_ctl_get_stats [2022-11-16 19:25:07,966 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_ctl_get_stats [2022-11-16 19:25:07,967 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-16 19:25:07,967 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-16 19:25:07,967 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_ctl_update_cam [2022-11-16 19:25:07,967 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_ctl_update_cam [2022-11-16 19:25:07,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-16 19:25:07,967 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_hw_dma_cmd_req [2022-11-16 19:25:07,968 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_hw_dma_cmd_req [2022-11-16 19:25:07,968 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_hw_dma_uninit [2022-11-16 19:25:07,968 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_hw_dma_uninit [2022-11-16 19:25:07,968 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-16 19:25:07,968 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-16 19:25:07,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-16 19:25:07,969 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-11-16 19:25:07,969 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-11-16 19:25:07,969 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_cpu [2022-11-16 19:25:07,970 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_cpu [2022-11-16 19:25:07,970 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-11-16 19:25:07,970 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-11-16 19:25:07,970 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 19:25:07,970 INFO L130 BoogieDeclarations]: Found specification of procedure my_skb_align [2022-11-16 19:25:07,971 INFO L138 BoogieDeclarations]: Found implementation of procedure my_skb_align [2022-11-16 19:25:07,971 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-16 19:25:07,971 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-16 19:25:07,971 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-16 19:25:07,972 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-16 19:25:07,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-16 19:25:07,972 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-16 19:25:07,972 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_port_write_long [2022-11-16 19:25:07,973 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_port_write_long [2022-11-16 19:25:07,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-16 19:25:07,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-16 19:25:07,974 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-11-16 19:25:07,974 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-11-16 19:25:07,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 19:25:07,975 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-16 19:25:07,975 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-16 19:25:07,975 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2022-11-16 19:25:07,975 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2022-11-16 19:25:07,975 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2022-11-16 19:25:07,975 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2022-11-16 19:25:07,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-16 19:25:07,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-16 19:25:07,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-16 19:25:07,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-16 19:25:07,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 19:25:07,977 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-11-16 19:25:07,977 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-11-16 19:25:07,977 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_hw_port_ctrl_req [2022-11-16 19:25:07,977 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_hw_port_ctrl_req [2022-11-16 19:25:07,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 19:25:07,979 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_xmt_flush [2022-11-16 19:25:07,981 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_xmt_flush [2022-11-16 19:25:07,981 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-16 19:25:07,982 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-16 19:25:07,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-16 19:25:07,983 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_ctl_update_filters [2022-11-16 19:25:07,983 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_ctl_update_filters [2022-11-16 19:25:07,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-11-16 19:25:07,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-11-16 19:25:07,986 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_ctl_set_mac_address [2022-11-16 19:25:07,990 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_ctl_set_mac_address [2022-11-16 19:25:07,991 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_ctl_set_multicast_list [2022-11-16 19:25:07,991 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_ctl_set_multicast_list [2022-11-16 19:25:07,991 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_hw_adap_state_rd [2022-11-16 19:25:07,991 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_hw_adap_state_rd [2022-11-16 19:25:07,991 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-16 19:25:07,991 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-16 19:25:07,991 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-11-16 19:25:07,992 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-11-16 19:25:07,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 19:25:07,992 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_get_bars [2022-11-16 19:25:07,992 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_get_bars [2022-11-16 19:25:07,992 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2022-11-16 19:25:07,992 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2022-11-16 19:25:07,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 19:25:07,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 19:25:08,766 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 19:25:08,775 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 19:25:09,379 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-16 19:25:24,021 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 19:25:25,068 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 19:25:25,068 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-16 19:25:25,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 07:25:25 BoogieIcfgContainer [2022-11-16 19:25:25,072 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 19:25:25,074 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 19:25:25,075 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 19:25:25,078 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 19:25:25,079 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 07:25:04" (1/3) ... [2022-11-16 19:25:25,079 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18e561b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:25:25, skipping insertion in model container [2022-11-16 19:25:25,079 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:25:07" (2/3) ... [2022-11-16 19:25:25,080 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18e561b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:25:25, skipping insertion in model container [2022-11-16 19:25:25,080 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 07:25:25" (3/3) ... [2022-11-16 19:25:25,081 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--fddi--defxx.ko-entry_point.cil.out.i [2022-11-16 19:25:25,099 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 19:25:25,100 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 19:25:25,167 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 19:25:25,173 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;@3863077e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 19:25:25,173 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 19:25:25,180 INFO L276 IsEmpty]: Start isEmpty. Operand has 860 states, 525 states have (on average 1.3295238095238096) internal successors, (698), 546 states have internal predecessors, (698), 274 states have call successors, (274), 60 states have call predecessors, (274), 59 states have return successors, (268), 268 states have call predecessors, (268), 268 states have call successors, (268) [2022-11-16 19:25:25,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-11-16 19:25:25,207 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:25:25,208 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-16 19:25:25,208 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 19:25:25,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:25:25,213 INFO L85 PathProgramCache]: Analyzing trace with hash 1795025194, now seen corresponding path program 1 times [2022-11-16 19:25:25,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:25:25,223 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623610108] [2022-11-16 19:25:25,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:25:25,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:25:25,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:25:26,295 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-11-16 19:25:26,295 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:25:26,296 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623610108] [2022-11-16 19:25:26,296 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623610108] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:25:26,296 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 19:25:26,297 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 19:25:26,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803682941] [2022-11-16 19:25:26,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:25:26,303 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 19:25:26,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:25:26,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 19:25:26,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 19:25:26,333 INFO L87 Difference]: Start difference. First operand has 860 states, 525 states have (on average 1.3295238095238096) internal successors, (698), 546 states have internal predecessors, (698), 274 states have call successors, (274), 60 states have call predecessors, (274), 59 states have return successors, (268), 268 states have call predecessors, (268), 268 states have call successors, (268) Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-11-16 19:25:31,324 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:25:36,041 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 [] [2022-11-16 19:25:36,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:25:36,629 INFO L93 Difference]: Finished difference Result 2559 states and 3720 transitions. [2022-11-16 19:25:36,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 19:25:36,632 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 118 [2022-11-16 19:25:36,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:25:36,655 INFO L225 Difference]: With dead ends: 2559 [2022-11-16 19:25:36,655 INFO L226 Difference]: Without dead ends: 1682 [2022-11-16 19:25:36,667 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-16 19:25:36,670 INFO L413 NwaCegarLoop]: 1567 mSDtfsCounter, 1206 mSDsluCounter, 4224 mSDsCounter, 0 mSdLazyCounter, 597 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1210 SdHoareTripleChecker+Valid, 5791 SdHoareTripleChecker+Invalid, 600 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 597 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.9s IncrementalHoareTripleChecker+Time [2022-11-16 19:25:36,671 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1210 Valid, 5791 Invalid, 600 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 597 Invalid, 0 Unknown, 0 Unchecked, 9.9s Time] [2022-11-16 19:25:36,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1682 states. [2022-11-16 19:25:36,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1682 to 1672. [2022-11-16 19:25:36,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1672 states, 1029 states have (on average 1.3109815354713314) internal successors, (1349), 1056 states have internal predecessors, (1349), 525 states have call successors, (525), 118 states have call predecessors, (525), 117 states have return successors, (524), 523 states have call predecessors, (524), 524 states have call successors, (524) [2022-11-16 19:25:36,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1672 states to 1672 states and 2398 transitions. [2022-11-16 19:25:36,847 INFO L78 Accepts]: Start accepts. Automaton has 1672 states and 2398 transitions. Word has length 118 [2022-11-16 19:25:36,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:25:36,848 INFO L495 AbstractCegarLoop]: Abstraction has 1672 states and 2398 transitions. [2022-11-16 19:25:36,848 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-11-16 19:25:36,849 INFO L276 IsEmpty]: Start isEmpty. Operand 1672 states and 2398 transitions. [2022-11-16 19:25:36,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-11-16 19:25:36,860 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:25:36,860 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-16 19:25:36,861 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 19:25:36,861 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 19:25:36,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:25:36,863 INFO L85 PathProgramCache]: Analyzing trace with hash -1865286681, now seen corresponding path program 1 times [2022-11-16 19:25:36,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:25:36,863 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197474539] [2022-11-16 19:25:36,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:25:36,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:25:36,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:25:37,462 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-11-16 19:25:37,463 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:25:37,463 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197474539] [2022-11-16 19:25:37,463 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [197474539] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:25:37,463 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 19:25:37,464 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 19:25:37,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335023561] [2022-11-16 19:25:37,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:25:37,465 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 19:25:37,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:25:37,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 19:25:37,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 19:25:37,469 INFO L87 Difference]: Start difference. First operand 1672 states and 2398 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-11-16 19:25:43,055 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:25:45,446 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:25:48,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:25:48,994 INFO L93 Difference]: Finished difference Result 3352 states and 4805 transitions. [2022-11-16 19:25:48,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 19:25:48,994 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 116 [2022-11-16 19:25:48,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:25:49,004 INFO L225 Difference]: With dead ends: 3352 [2022-11-16 19:25:49,005 INFO L226 Difference]: Without dead ends: 1687 [2022-11-16 19:25:49,011 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-16 19:25:49,013 INFO L413 NwaCegarLoop]: 1546 mSDtfsCounter, 1185 mSDsluCounter, 4162 mSDsCounter, 0 mSdLazyCounter, 589 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1189 SdHoareTripleChecker+Valid, 5708 SdHoareTripleChecker+Invalid, 592 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 589 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.3s IncrementalHoareTripleChecker+Time [2022-11-16 19:25:49,013 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1189 Valid, 5708 Invalid, 592 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 589 Invalid, 0 Unknown, 0 Unchecked, 11.3s Time] [2022-11-16 19:25:49,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1687 states. [2022-11-16 19:25:49,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1687 to 1677. [2022-11-16 19:25:49,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1677 states, 1033 states have (on average 1.3097773475314618) internal successors, (1353), 1060 states have internal predecessors, (1353), 525 states have call successors, (525), 119 states have call predecessors, (525), 118 states have return successors, (524), 523 states have call predecessors, (524), 524 states have call successors, (524) [2022-11-16 19:25:49,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1677 states to 1677 states and 2402 transitions. [2022-11-16 19:25:49,104 INFO L78 Accepts]: Start accepts. Automaton has 1677 states and 2402 transitions. Word has length 116 [2022-11-16 19:25:49,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:25:49,104 INFO L495 AbstractCegarLoop]: Abstraction has 1677 states and 2402 transitions. [2022-11-16 19:25:49,105 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-11-16 19:25:49,105 INFO L276 IsEmpty]: Start isEmpty. Operand 1677 states and 2402 transitions. [2022-11-16 19:25:49,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-11-16 19:25:49,111 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:25:49,111 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-16 19:25:49,112 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 19:25:49,112 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 19:25:49,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:25:49,113 INFO L85 PathProgramCache]: Analyzing trace with hash -76000008, now seen corresponding path program 1 times [2022-11-16 19:25:49,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:25:49,113 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411536651] [2022-11-16 19:25:49,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:25:49,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:25:49,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:25:49,477 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-11-16 19:25:49,478 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:25:49,478 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411536651] [2022-11-16 19:25:49,480 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411536651] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:25:49,480 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 19:25:49,480 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 19:25:49,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082622077] [2022-11-16 19:25:49,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:25:49,482 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 19:25:49,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:25:49,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 19:25:49,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 19:25:49,485 INFO L87 Difference]: Start difference. First operand 1677 states and 2402 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-11-16 19:25:56,299 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:25:58,921 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:26:02,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:26:02,312 INFO L93 Difference]: Finished difference Result 3362 states and 4812 transitions. [2022-11-16 19:26:02,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 19:26:02,313 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 119 [2022-11-16 19:26:02,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:26:02,324 INFO L225 Difference]: With dead ends: 3362 [2022-11-16 19:26:02,324 INFO L226 Difference]: Without dead ends: 1692 [2022-11-16 19:26:02,332 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-16 19:26:02,333 INFO L413 NwaCegarLoop]: 1546 mSDtfsCounter, 1183 mSDsluCounter, 4162 mSDsCounter, 0 mSdLazyCounter, 588 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1187 SdHoareTripleChecker+Valid, 5708 SdHoareTripleChecker+Invalid, 593 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 588 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.6s IncrementalHoareTripleChecker+Time [2022-11-16 19:26:02,333 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1187 Valid, 5708 Invalid, 593 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 588 Invalid, 2 Unknown, 0 Unchecked, 12.6s Time] [2022-11-16 19:26:02,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1692 states. [2022-11-16 19:26:02,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1692 to 1682. [2022-11-16 19:26:02,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1682 states, 1037 states have (on average 1.308582449373192) internal successors, (1357), 1064 states have internal predecessors, (1357), 525 states have call successors, (525), 120 states have call predecessors, (525), 119 states have return successors, (524), 523 states have call predecessors, (524), 524 states have call successors, (524) [2022-11-16 19:26:02,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1682 states to 1682 states and 2406 transitions. [2022-11-16 19:26:02,426 INFO L78 Accepts]: Start accepts. Automaton has 1682 states and 2406 transitions. Word has length 119 [2022-11-16 19:26:02,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:26:02,426 INFO L495 AbstractCegarLoop]: Abstraction has 1682 states and 2406 transitions. [2022-11-16 19:26:02,427 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-11-16 19:26:02,427 INFO L276 IsEmpty]: Start isEmpty. Operand 1682 states and 2406 transitions. [2022-11-16 19:26:02,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-11-16 19:26:02,440 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:26:02,444 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-16 19:26:02,445 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 19:26:02,445 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 19:26:02,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:26:02,446 INFO L85 PathProgramCache]: Analyzing trace with hash 521997306, now seen corresponding path program 1 times [2022-11-16 19:26:02,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:26:02,447 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476226134] [2022-11-16 19:26:02,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:26:02,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:26:02,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:26:02,846 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-11-16 19:26:02,846 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:26:02,846 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476226134] [2022-11-16 19:26:02,846 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476226134] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:26:02,847 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 19:26:02,847 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 19:26:02,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609580531] [2022-11-16 19:26:02,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:26:02,848 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 19:26:02,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:26:02,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 19:26:02,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 19:26:02,849 INFO L87 Difference]: Start difference. First operand 1682 states and 2406 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-11-16 19:26:09,254 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:26:13,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:26:13,124 INFO L93 Difference]: Finished difference Result 3984 states and 5672 transitions. [2022-11-16 19:26:13,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 19:26:13,125 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 114 [2022-11-16 19:26:13,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:26:13,140 INFO L225 Difference]: With dead ends: 3984 [2022-11-16 19:26:13,141 INFO L226 Difference]: Without dead ends: 2309 [2022-11-16 19:26:13,149 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-16 19:26:13,150 INFO L413 NwaCegarLoop]: 1366 mSDtfsCounter, 851 mSDsluCounter, 3804 mSDsCounter, 0 mSdLazyCounter, 595 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 855 SdHoareTripleChecker+Valid, 5170 SdHoareTripleChecker+Invalid, 598 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 595 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.0s IncrementalHoareTripleChecker+Time [2022-11-16 19:26:13,151 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [855 Valid, 5170 Invalid, 598 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 595 Invalid, 0 Unknown, 0 Unchecked, 10.0s Time] [2022-11-16 19:26:13,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2309 states. [2022-11-16 19:26:13,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2309 to 2277. [2022-11-16 19:26:13,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2277 states, 1406 states have (on average 1.3079658605974396) internal successors, (1839), 1441 states have internal predecessors, (1839), 701 states have call successors, (701), 170 states have call predecessors, (701), 169 states have return successors, (700), 697 states have call predecessors, (700), 700 states have call successors, (700) [2022-11-16 19:26:13,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2277 states to 2277 states and 3240 transitions. [2022-11-16 19:26:13,290 INFO L78 Accepts]: Start accepts. Automaton has 2277 states and 3240 transitions. Word has length 114 [2022-11-16 19:26:13,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:26:13,290 INFO L495 AbstractCegarLoop]: Abstraction has 2277 states and 3240 transitions. [2022-11-16 19:26:13,290 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-11-16 19:26:13,291 INFO L276 IsEmpty]: Start isEmpty. Operand 2277 states and 3240 transitions. [2022-11-16 19:26:13,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-11-16 19:26:13,300 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:26:13,301 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-16 19:26:13,301 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 19:26:13,301 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 19:26:13,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:26:13,302 INFO L85 PathProgramCache]: Analyzing trace with hash 1468203856, now seen corresponding path program 1 times [2022-11-16 19:26:13,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:26:13,302 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972123938] [2022-11-16 19:26:13,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:26:13,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:26:13,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:26:13,965 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-11-16 19:26:13,966 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:26:13,966 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972123938] [2022-11-16 19:26:13,966 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972123938] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 19:26:13,966 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [463849462] [2022-11-16 19:26:13,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:26:13,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 19:26:13,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7498af8a-4d1f-4f2c-8334-385b17662a9e/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 19:26:13,974 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7498af8a-4d1f-4f2c-8334-385b17662a9e/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 19:26:14,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7498af8a-4d1f-4f2c-8334-385b17662a9e/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-16 19:26:14,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:26:14,904 INFO L263 TraceCheckSpWp]: Trace formula consists of 1991 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-16 19:26:14,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 19:26:14,983 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-11-16 19:26:14,983 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 19:26:14,984 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [463849462] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:26:14,984 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-16 19:26:14,984 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2022-11-16 19:26:14,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91477463] [2022-11-16 19:26:14,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:26:14,985 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 19:26:14,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:26:14,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 19:26:14,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-16 19:26:14,986 INFO L87 Difference]: Start difference. First operand 2277 states and 3240 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-16 19:26:19,177 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:26:20,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:26:20,657 INFO L93 Difference]: Finished difference Result 3944 states and 5626 transitions. [2022-11-16 19:26:20,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 19:26:20,658 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 126 [2022-11-16 19:26:20,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:26:20,671 INFO L225 Difference]: With dead ends: 3944 [2022-11-16 19:26:20,672 INFO L226 Difference]: Without dead ends: 2269 [2022-11-16 19:26:20,680 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-16 19:26:20,681 INFO L413 NwaCegarLoop]: 1084 mSDtfsCounter, 14 mSDsluCounter, 1054 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 2138 SdHoareTripleChecker+Invalid, 248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-11-16 19:26:20,681 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 2138 Invalid, 248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 247 Invalid, 1 Unknown, 0 Unchecked, 5.5s Time] [2022-11-16 19:26:20,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2269 states. [2022-11-16 19:26:20,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2269 to 2265. [2022-11-16 19:26:20,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2265 states, 1402 states have (on average 1.3059914407988589) internal successors, (1831), 1435 states have internal predecessors, (1831), 693 states have call successors, (693), 170 states have call predecessors, (693), 169 states have return successors, (692), 689 states have call predecessors, (692), 692 states have call successors, (692) [2022-11-16 19:26:20,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2265 states to 2265 states and 3216 transitions. [2022-11-16 19:26:20,804 INFO L78 Accepts]: Start accepts. Automaton has 2265 states and 3216 transitions. Word has length 126 [2022-11-16 19:26:20,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:26:20,805 INFO L495 AbstractCegarLoop]: Abstraction has 2265 states and 3216 transitions. [2022-11-16 19:26:20,806 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-16 19:26:20,806 INFO L276 IsEmpty]: Start isEmpty. Operand 2265 states and 3216 transitions. [2022-11-16 19:26:20,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-11-16 19:26:20,816 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:26:20,816 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-16 19:26:20,834 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7498af8a-4d1f-4f2c-8334-385b17662a9e/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-16 19:26:21,033 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7498af8a-4d1f-4f2c-8334-385b17662a9e/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 19:26:21,033 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 19:26:21,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:26:21,034 INFO L85 PathProgramCache]: Analyzing trace with hash -284458664, now seen corresponding path program 1 times [2022-11-16 19:26:21,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:26:21,034 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002998335] [2022-11-16 19:26:21,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:26:21,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:26:21,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:26:21,659 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-11-16 19:26:21,659 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:26:21,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002998335] [2022-11-16 19:26:21,660 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2002998335] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 19:26:21,660 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [501108831] [2022-11-16 19:26:21,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:26:21,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 19:26:21,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7498af8a-4d1f-4f2c-8334-385b17662a9e/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 19:26:21,662 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7498af8a-4d1f-4f2c-8334-385b17662a9e/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 19:26:21,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7498af8a-4d1f-4f2c-8334-385b17662a9e/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-16 19:26:22,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:26:22,611 INFO L263 TraceCheckSpWp]: Trace formula consists of 2015 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-16 19:26:22,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 19:26:22,828 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-11-16 19:26:22,828 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 19:26:22,829 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [501108831] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:26:22,829 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-16 19:26:22,829 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 13 [2022-11-16 19:26:22,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128000914] [2022-11-16 19:26:22,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:26:22,830 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-16 19:26:22,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:26:22,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 19:26:22,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-11-16 19:26:22,831 INFO L87 Difference]: Start difference. First operand 2265 states and 3216 transitions. Second operand has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 5 states have internal predecessors, (66), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-16 19:26:31,610 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:26:33,501 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:26:35,517 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:26:36,703 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:26:40,290 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:26:42,318 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:26:42,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:26:42,371 INFO L93 Difference]: Finished difference Result 5387 states and 7649 transitions. [2022-11-16 19:26:42,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-16 19:26:42,372 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 5 states have internal predecessors, (66), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 127 [2022-11-16 19:26:42,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:26:42,396 INFO L225 Difference]: With dead ends: 5387 [2022-11-16 19:26:42,397 INFO L226 Difference]: Without dead ends: 3724 [2022-11-16 19:26:42,405 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=68, Invalid=312, Unknown=0, NotChecked=0, Total=380 [2022-11-16 19:26:42,406 INFO L413 NwaCegarLoop]: 1642 mSDtfsCounter, 1198 mSDsluCounter, 7632 mSDsCounter, 0 mSdLazyCounter, 1038 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1202 SdHoareTripleChecker+Valid, 9274 SdHoareTripleChecker+Invalid, 1041 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1038 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.1s IncrementalHoareTripleChecker+Time [2022-11-16 19:26:42,406 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1202 Valid, 9274 Invalid, 1041 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1038 Invalid, 1 Unknown, 0 Unchecked, 19.1s Time] [2022-11-16 19:26:42,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3724 states. [2022-11-16 19:26:42,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3724 to 3691. [2022-11-16 19:26:42,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3691 states, 2288 states have (on average 1.3072552447552448) internal successors, (2991), 2346 states have internal predecessors, (2991), 1122 states have call successors, (1122), 279 states have call predecessors, (1122), 280 states have return successors, (1126), 1113 states have call predecessors, (1126), 1121 states have call successors, (1126) [2022-11-16 19:26:42,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3691 states to 3691 states and 5239 transitions. [2022-11-16 19:26:42,615 INFO L78 Accepts]: Start accepts. Automaton has 3691 states and 5239 transitions. Word has length 127 [2022-11-16 19:26:42,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:26:42,616 INFO L495 AbstractCegarLoop]: Abstraction has 3691 states and 5239 transitions. [2022-11-16 19:26:42,616 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 5 states have internal predecessors, (66), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-16 19:26:42,616 INFO L276 IsEmpty]: Start isEmpty. Operand 3691 states and 5239 transitions. [2022-11-16 19:26:42,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-11-16 19:26:42,631 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:26:42,632 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-16 19:26:42,650 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7498af8a-4d1f-4f2c-8334-385b17662a9e/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-16 19:26:42,843 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7498af8a-4d1f-4f2c-8334-385b17662a9e/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 19:26:42,843 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 19:26:42,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:26:42,844 INFO L85 PathProgramCache]: Analyzing trace with hash -931449108, now seen corresponding path program 1 times [2022-11-16 19:26:42,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:26:42,844 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262175399] [2022-11-16 19:26:42,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:26:42,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:26:42,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:26:43,459 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-11-16 19:26:43,460 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:26:43,460 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262175399] [2022-11-16 19:26:43,460 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [262175399] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 19:26:43,460 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1077535585] [2022-11-16 19:26:43,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:26:43,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 19:26:43,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7498af8a-4d1f-4f2c-8334-385b17662a9e/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 19:26:43,462 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7498af8a-4d1f-4f2c-8334-385b17662a9e/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 19:26:43,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7498af8a-4d1f-4f2c-8334-385b17662a9e/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-16 19:26:44,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:26:44,403 INFO L263 TraceCheckSpWp]: Trace formula consists of 2017 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-16 19:26:44,409 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 19:26:44,601 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-11-16 19:26:44,602 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 19:26:44,602 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1077535585] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:26:44,602 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-16 19:26:44,602 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2022-11-16 19:26:44,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146737223] [2022-11-16 19:26:44,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:26:44,608 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-16 19:26:44,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:26:44,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 19:26:44,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2022-11-16 19:26:44,609 INFO L87 Difference]: Start difference. First operand 3691 states and 5239 transitions. Second operand has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 5 states have internal predecessors, (67), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-16 19:26:55,364 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:26:58,710 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:27:00,273 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:27:01,465 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:27:01,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:27:01,520 INFO L93 Difference]: Finished difference Result 8250 states and 11705 transitions. [2022-11-16 19:27:01,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-16 19:27:01,520 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 5 states have internal predecessors, (67), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 128 [2022-11-16 19:27:01,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:27:01,553 INFO L225 Difference]: With dead ends: 8250 [2022-11-16 19:27:01,553 INFO L226 Difference]: Without dead ends: 5161 [2022-11-16 19:27:01,567 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=70, Invalid=350, Unknown=0, NotChecked=0, Total=420 [2022-11-16 19:27:01,568 INFO L413 NwaCegarLoop]: 1650 mSDtfsCounter, 1198 mSDsluCounter, 7652 mSDsCounter, 0 mSdLazyCounter, 1046 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1202 SdHoareTripleChecker+Valid, 9302 SdHoareTripleChecker+Invalid, 1048 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1046 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.4s IncrementalHoareTripleChecker+Time [2022-11-16 19:27:01,568 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1202 Valid, 9302 Invalid, 1048 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1046 Invalid, 0 Unknown, 0 Unchecked, 16.4s Time] [2022-11-16 19:27:01,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5161 states. [2022-11-16 19:27:01,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5161 to 5122. [2022-11-16 19:27:01,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5122 states, 3177 states have (on average 1.3075228202706957) internal successors, (4154), 3263 states have internal predecessors, (4154), 1551 states have call successors, (1551), 388 states have call predecessors, (1551), 393 states have return successors, (1563), 1536 states have call predecessors, (1563), 1550 states have call successors, (1563) [2022-11-16 19:27:01,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5122 states to 5122 states and 7268 transitions. [2022-11-16 19:27:01,857 INFO L78 Accepts]: Start accepts. Automaton has 5122 states and 7268 transitions. Word has length 128 [2022-11-16 19:27:01,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:27:01,858 INFO L495 AbstractCegarLoop]: Abstraction has 5122 states and 7268 transitions. [2022-11-16 19:27:01,858 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 5 states have internal predecessors, (67), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-16 19:27:01,858 INFO L276 IsEmpty]: Start isEmpty. Operand 5122 states and 7268 transitions. [2022-11-16 19:27:01,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-11-16 19:27:01,879 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:27:01,879 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-16 19:27:01,895 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7498af8a-4d1f-4f2c-8334-385b17662a9e/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-16 19:27:02,090 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7498af8a-4d1f-4f2c-8334-385b17662a9e/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-11-16 19:27:02,090 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 19:27:02,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:27:02,091 INFO L85 PathProgramCache]: Analyzing trace with hash 1678888472, now seen corresponding path program 1 times [2022-11-16 19:27:02,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:27:02,091 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445387308] [2022-11-16 19:27:02,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:27:02,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:27:02,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:27:02,668 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-11-16 19:27:02,668 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:27:02,668 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1445387308] [2022-11-16 19:27:02,668 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1445387308] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 19:27:02,668 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [941405526] [2022-11-16 19:27:02,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:27:02,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 19:27:02,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7498af8a-4d1f-4f2c-8334-385b17662a9e/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 19:27:02,670 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7498af8a-4d1f-4f2c-8334-385b17662a9e/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 19:27:02,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7498af8a-4d1f-4f2c-8334-385b17662a9e/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-16 19:27:03,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:27:03,642 INFO L263 TraceCheckSpWp]: Trace formula consists of 1967 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-16 19:27:03,647 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 19:27:03,692 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-11-16 19:27:03,693 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 19:27:03,694 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [941405526] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:27:03,694 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-16 19:27:03,694 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2022-11-16 19:27:03,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125936495] [2022-11-16 19:27:03,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:27:03,695 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 19:27:03,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:27:03,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 19:27:03,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-11-16 19:27:03,696 INFO L87 Difference]: Start difference. First operand 5122 states and 7268 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-16 19:27:07,419 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:27:08,509 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:27:09,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:27:09,473 INFO L93 Difference]: Finished difference Result 9606 states and 13642 transitions. [2022-11-16 19:27:09,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 19:27:09,473 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 131 [2022-11-16 19:27:09,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:27:09,503 INFO L225 Difference]: With dead ends: 9606 [2022-11-16 19:27:09,503 INFO L226 Difference]: Without dead ends: 5086 [2022-11-16 19:27:09,521 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-11-16 19:27:09,522 INFO L413 NwaCegarLoop]: 1065 mSDtfsCounter, 9 mSDsluCounter, 1047 mSDsCounter, 0 mSdLazyCounter, 246 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 2112 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 246 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2022-11-16 19:27:09,522 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 2112 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 246 Invalid, 1 Unknown, 0 Unchecked, 5.6s Time] [2022-11-16 19:27:09,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5086 states. [2022-11-16 19:27:09,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5086 to 5078. [2022-11-16 19:27:09,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5078 states, 3161 states have (on average 1.3065485605820943) internal successors, (4130), 3243 states have internal predecessors, (4130), 1523 states have call successors, (1523), 388 states have call predecessors, (1523), 393 states have return successors, (1535), 1508 states have call predecessors, (1535), 1522 states have call successors, (1535) [2022-11-16 19:27:09,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5078 states to 5078 states and 7188 transitions. [2022-11-16 19:27:09,782 INFO L78 Accepts]: Start accepts. Automaton has 5078 states and 7188 transitions. Word has length 131 [2022-11-16 19:27:09,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:27:09,783 INFO L495 AbstractCegarLoop]: Abstraction has 5078 states and 7188 transitions. [2022-11-16 19:27:09,784 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-16 19:27:09,785 INFO L276 IsEmpty]: Start isEmpty. Operand 5078 states and 7188 transitions. [2022-11-16 19:27:09,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-11-16 19:27:09,803 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:27:09,804 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-16 19:27:09,814 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7498af8a-4d1f-4f2c-8334-385b17662a9e/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-16 19:27:10,014 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7498af8a-4d1f-4f2c-8334-385b17662a9e/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-11-16 19:27:10,014 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 19:27:10,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:27:10,015 INFO L85 PathProgramCache]: Analyzing trace with hash 583947825, now seen corresponding path program 1 times [2022-11-16 19:27:10,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:27:10,015 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380301163] [2022-11-16 19:27:10,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:27:10,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:27:10,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:27:10,602 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-11-16 19:27:10,602 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:27:10,602 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380301163] [2022-11-16 19:27:10,602 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1380301163] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 19:27:10,602 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1884802958] [2022-11-16 19:27:10,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:27:10,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 19:27:10,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7498af8a-4d1f-4f2c-8334-385b17662a9e/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 19:27:10,604 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7498af8a-4d1f-4f2c-8334-385b17662a9e/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 19:27:10,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7498af8a-4d1f-4f2c-8334-385b17662a9e/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-16 19:27:11,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:27:11,512 INFO L263 TraceCheckSpWp]: Trace formula consists of 2019 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-16 19:27:11,516 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 19:27:11,661 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-11-16 19:27:11,662 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 19:27:11,662 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1884802958] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:27:11,662 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-16 19:27:11,662 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2022-11-16 19:27:11,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063048855] [2022-11-16 19:27:11,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:27:11,663 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-16 19:27:11,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:27:11,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 19:27:11,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2022-11-16 19:27:11,664 INFO L87 Difference]: Start difference. First operand 5078 states and 7188 transitions. Second operand has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 5 states have internal predecessors, (68), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-16 19:27:20,486 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:27:22,859 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:27:25,499 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:27:26,563 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:27:28,351 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:27:29,554 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:27:31,086 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:27:31,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:27:31,145 INFO L93 Difference]: Finished difference Result 11011 states and 15579 transitions. [2022-11-16 19:27:31,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-16 19:27:31,146 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 5 states have internal predecessors, (68), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 129 [2022-11-16 19:27:31,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:27:31,188 INFO L225 Difference]: With dead ends: 11011 [2022-11-16 19:27:31,188 INFO L226 Difference]: Without dead ends: 6535 [2022-11-16 19:27:31,208 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=70, Invalid=350, Unknown=0, NotChecked=0, Total=420 [2022-11-16 19:27:31,209 INFO L413 NwaCegarLoop]: 1615 mSDtfsCounter, 1178 mSDsluCounter, 7493 mSDsCounter, 0 mSdLazyCounter, 1028 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1182 SdHoareTripleChecker+Valid, 9108 SdHoareTripleChecker+Invalid, 1032 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1028 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.0s IncrementalHoareTripleChecker+Time [2022-11-16 19:27:31,209 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1182 Valid, 9108 Invalid, 1032 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1028 Invalid, 2 Unknown, 0 Unchecked, 19.0s Time] [2022-11-16 19:27:31,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6535 states. [2022-11-16 19:27:31,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6535 to 5079. [2022-11-16 19:27:31,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5079 states, 3162 states have (on average 1.3064516129032258) internal successors, (4131), 3243 states have internal predecessors, (4131), 1523 states have call successors, (1523), 388 states have call predecessors, (1523), 393 states have return successors, (1535), 1509 states have call predecessors, (1535), 1522 states have call successors, (1535) [2022-11-16 19:27:31,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5079 states to 5079 states and 7189 transitions. [2022-11-16 19:27:31,523 INFO L78 Accepts]: Start accepts. Automaton has 5079 states and 7189 transitions. Word has length 129 [2022-11-16 19:27:31,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:27:31,523 INFO L495 AbstractCegarLoop]: Abstraction has 5079 states and 7189 transitions. [2022-11-16 19:27:31,523 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 5 states have internal predecessors, (68), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-16 19:27:31,524 INFO L276 IsEmpty]: Start isEmpty. Operand 5079 states and 7189 transitions. [2022-11-16 19:27:31,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-11-16 19:27:31,541 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:27:31,541 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-16 19:27:31,557 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7498af8a-4d1f-4f2c-8334-385b17662a9e/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-16 19:27:31,752 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7498af8a-4d1f-4f2c-8334-385b17662a9e/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 19:27:31,753 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 19:27:31,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:27:31,753 INFO L85 PathProgramCache]: Analyzing trace with hash -1433072564, now seen corresponding path program 1 times [2022-11-16 19:27:31,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:27:31,753 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488581409] [2022-11-16 19:27:31,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:27:31,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:27:31,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:27:31,974 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-11-16 19:27:31,974 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:27:31,974 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488581409] [2022-11-16 19:27:31,974 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1488581409] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:27:31,975 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 19:27:31,975 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 19:27:31,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450329960] [2022-11-16 19:27:31,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:27:31,975 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 19:27:31,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:27:31,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 19:27:31,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 19:27:31,976 INFO L87 Difference]: Start difference. First operand 5079 states and 7189 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-16 19:27:36,286 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:27:37,668 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:27:37,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:27:37,702 INFO L93 Difference]: Finished difference Result 13400 states and 18881 transitions. [2022-11-16 19:27:37,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 19:27:37,702 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 130 [2022-11-16 19:27:37,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:27:37,739 INFO L225 Difference]: With dead ends: 13400 [2022-11-16 19:27:37,740 INFO L226 Difference]: Without dead ends: 8328 [2022-11-16 19:27:37,758 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 [2022-11-16 19:27:37,759 INFO L413 NwaCegarLoop]: 1287 mSDtfsCounter, 890 mSDsluCounter, 961 mSDsCounter, 0 mSdLazyCounter, 282 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 890 SdHoareTripleChecker+Valid, 2248 SdHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 282 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2022-11-16 19:27:37,760 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [890 Valid, 2248 Invalid, 290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 282 Invalid, 1 Unknown, 0 Unchecked, 5.4s Time] [2022-11-16 19:27:37,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8328 states. [2022-11-16 19:27:38,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8328 to 8311. [2022-11-16 19:27:38,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8311 states, 5229 states have (on average 1.307707018550392) internal successors, (6838), 5375 states have internal predecessors, (6838), 2408 states have call successors, (2408), 662 states have call predecessors, (2408), 673 states have return successors, (2433), 2373 states have call predecessors, (2433), 2407 states have call successors, (2433) [2022-11-16 19:27:38,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8311 states to 8311 states and 11679 transitions. [2022-11-16 19:27:38,220 INFO L78 Accepts]: Start accepts. Automaton has 8311 states and 11679 transitions. Word has length 130 [2022-11-16 19:27:38,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:27:38,221 INFO L495 AbstractCegarLoop]: Abstraction has 8311 states and 11679 transitions. [2022-11-16 19:27:38,221 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-16 19:27:38,221 INFO L276 IsEmpty]: Start isEmpty. Operand 8311 states and 11679 transitions. [2022-11-16 19:27:38,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-11-16 19:27:38,226 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:27:38,226 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-16 19:27:38,226 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-16 19:27:38,227 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 19:27:38,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:27:38,228 INFO L85 PathProgramCache]: Analyzing trace with hash 413876709, now seen corresponding path program 1 times [2022-11-16 19:27:38,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:27:38,228 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217800496] [2022-11-16 19:27:38,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:27:38,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:27:38,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:27:38,913 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-11-16 19:27:38,913 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:27:38,913 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217800496] [2022-11-16 19:27:38,914 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1217800496] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 19:27:38,914 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [228563386] [2022-11-16 19:27:38,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:27:38,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 19:27:38,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7498af8a-4d1f-4f2c-8334-385b17662a9e/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 19:27:38,915 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7498af8a-4d1f-4f2c-8334-385b17662a9e/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 19:27:38,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7498af8a-4d1f-4f2c-8334-385b17662a9e/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-16 19:27:39,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:27:39,917 INFO L263 TraceCheckSpWp]: Trace formula consists of 2021 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-16 19:27:39,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 19:27:40,094 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-11-16 19:27:40,094 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 19:27:40,095 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [228563386] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:27:40,095 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-16 19:27:40,095 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2022-11-16 19:27:40,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350879715] [2022-11-16 19:27:40,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:27:40,096 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-16 19:27:40,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:27:40,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 19:27:40,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2022-11-16 19:27:40,098 INFO L87 Difference]: Start difference. First operand 8311 states and 11679 transitions. Second operand has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 5 states have internal predecessors, (69), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-16 19:27:48,349 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:27:53,305 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:27:53,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:27:53,360 INFO L93 Difference]: Finished difference Result 18130 states and 25465 transitions. [2022-11-16 19:27:53,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-16 19:27:53,361 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 5 states have internal predecessors, (69), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 130 [2022-11-16 19:27:53,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:27:53,415 INFO L225 Difference]: With dead ends: 18130 [2022-11-16 19:27:53,415 INFO L226 Difference]: Without dead ends: 10688 [2022-11-16 19:27:53,439 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=70, Invalid=350, Unknown=0, NotChecked=0, Total=420 [2022-11-16 19:27:53,439 INFO L413 NwaCegarLoop]: 1605 mSDtfsCounter, 1177 mSDsluCounter, 7453 mSDsCounter, 0 mSdLazyCounter, 1064 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1184 SdHoareTripleChecker+Valid, 9058 SdHoareTripleChecker+Invalid, 1067 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1064 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.7s IncrementalHoareTripleChecker+Time [2022-11-16 19:27:53,440 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1184 Valid, 9058 Invalid, 1067 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1064 Invalid, 1 Unknown, 0 Unchecked, 12.7s Time] [2022-11-16 19:27:53,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10688 states. [2022-11-16 19:27:53,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10688 to 10554. [2022-11-16 19:27:53,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10554 states, 6634 states have (on average 1.3088634308109737) internal successors, (8683), 6821 states have internal predecessors, (8683), 3065 states have call successors, (3065), 841 states have call predecessors, (3065), 854 states have return successors, (3102), 3018 states have call predecessors, (3102), 3064 states have call successors, (3102) [2022-11-16 19:27:54,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10554 states to 10554 states and 14850 transitions. [2022-11-16 19:27:54,047 INFO L78 Accepts]: Start accepts. Automaton has 10554 states and 14850 transitions. Word has length 130 [2022-11-16 19:27:54,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:27:54,047 INFO L495 AbstractCegarLoop]: Abstraction has 10554 states and 14850 transitions. [2022-11-16 19:27:54,048 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 5 states have internal predecessors, (69), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-16 19:27:54,048 INFO L276 IsEmpty]: Start isEmpty. Operand 10554 states and 14850 transitions. [2022-11-16 19:27:54,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2022-11-16 19:27:54,060 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:27:54,060 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-16 19:27:54,081 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7498af8a-4d1f-4f2c-8334-385b17662a9e/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-16 19:27:54,272 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7498af8a-4d1f-4f2c-8334-385b17662a9e/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 19:27:54,273 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 19:27:54,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:27:54,273 INFO L85 PathProgramCache]: Analyzing trace with hash 483961350, now seen corresponding path program 1 times [2022-11-16 19:27:54,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:27:54,273 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717734418] [2022-11-16 19:27:54,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:27:54,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:27:54,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:27:54,969 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 16 proven. 7 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-11-16 19:27:54,970 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:27:54,970 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717734418] [2022-11-16 19:27:54,970 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [717734418] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 19:27:54,970 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [953026113] [2022-11-16 19:27:54,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:27:54,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 19:27:54,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7498af8a-4d1f-4f2c-8334-385b17662a9e/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 19:27:54,972 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7498af8a-4d1f-4f2c-8334-385b17662a9e/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 19:27:54,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7498af8a-4d1f-4f2c-8334-385b17662a9e/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-16 19:27:56,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:27:56,216 INFO L263 TraceCheckSpWp]: Trace formula consists of 2086 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-16 19:27:56,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 19:27:56,572 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 12 proven. 7 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-16 19:27:56,572 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 19:27:57,243 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 15 proven. 3 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2022-11-16 19:27:57,244 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [953026113] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 19:27:57,244 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1669188305] [2022-11-16 19:27:57,272 INFO L159 IcfgInterpreter]: Started Sifa with 100 locations of interest [2022-11-16 19:27:57,272 INFO L166 IcfgInterpreter]: Building call graph [2022-11-16 19:27:57,277 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-16 19:27:57,284 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-16 19:27:57,284 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-16 19:27:58,566 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 9 treesize of output 11 [2022-11-16 19:27:58,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:27:58,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:27:58,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:27:58,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:27:58,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:27:58,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:27:59,007 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 21 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 53 [2022-11-16 19:27:59,094 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 316 treesize of output 254 [2022-11-16 19:27:59,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:27:59,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:27:59,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:27:59,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:27:59,475 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 35 [2022-11-16 19:27:59,590 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 19:27:59,662 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 316 treesize of output 254 [2022-11-16 19:27:59,932 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 9 treesize of output 11 [2022-11-16 19:28:00,040 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 9 treesize of output 11 [2022-11-16 19:28:00,111 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 9 treesize of output 11 [2022-11-16 19:28:00,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:00,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:00,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:00,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:00,305 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 106 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 973 treesize of output 808 [2022-11-16 19:28:00,696 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 9 treesize of output 11 [2022-11-16 19:28:00,780 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 9 treesize of output 11 [2022-11-16 19:28:00,892 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 9 treesize of output 11 [2022-11-16 19:28:01,952 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 12 treesize of output 9 [2022-11-16 19:28:01,958 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2022-11-16 19:28:01,970 INFO L350 Elim1Store]: Elim1 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 7 treesize of output 6 [2022-11-16 19:28:03,218 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 15 select indices, 15 select index equivalence classes, 105 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 976 treesize of output 742 [2022-11-16 19:28:03,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:03,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:03,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:03,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:03,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:03,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:03,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:03,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:03,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:03,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:03,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:03,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:03,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:03,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:03,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:03,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:03,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:03,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:03,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:03,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:03,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:03,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:03,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:03,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:03,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:03,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:03,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:03,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:03,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:03,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:03,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:03,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:03,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:03,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:03,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:03,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:03,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:03,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:03,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:03,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:03,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:03,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:03,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:03,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:03,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:03,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:03,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:03,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:03,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:03,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:03,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:03,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:03,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:03,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:03,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:03,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:03,439 INFO L217 Elim1Store]: Index analysis took 130 ms [2022-11-16 19:28:03,447 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 57 select indices, 57 select index equivalence classes, 1596 disjoint index pairs (out of 1596 index pairs), introduced 57 new quantified variables, introduced 0 case distinctions, treesize of input 398 treesize of output 172 [2022-11-16 19:28:03,592 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 22 [2022-11-16 19:28:05,703 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 15 select indices, 15 select index equivalence classes, 105 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 976 treesize of output 742 [2022-11-16 19:28:05,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:05,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:05,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:05,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:05,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:05,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:05,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:05,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:05,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:05,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:05,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:05,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:05,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:05,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:05,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:05,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:05,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:05,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:05,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:05,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:05,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:05,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:05,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:05,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:05,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:05,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:05,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:05,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:05,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:05,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:05,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:05,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:05,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:05,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:05,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:05,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:05,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:05,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:05,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:05,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:05,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:05,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:05,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:05,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:05,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:05,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:05,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:05,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:05,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:05,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:05,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:05,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:05,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:05,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:05,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:05,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:05,956 INFO L217 Elim1Store]: Index analysis took 129 ms [2022-11-16 19:28:05,964 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 57 select indices, 57 select index equivalence classes, 1596 disjoint index pairs (out of 1596 index pairs), introduced 57 new quantified variables, introduced 0 case distinctions, treesize of input 398 treesize of output 172 [2022-11-16 19:28:06,097 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 22 [2022-11-16 19:28:07,874 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-16 19:28:07,930 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-16 19:28:08,088 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 6 treesize of output 4 [2022-11-16 19:28:09,172 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 6 treesize of output 4 [2022-11-16 19:28:09,215 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-16 19:28:09,382 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-16 19:28:17,685 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-16 19:28:17,762 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 6 treesize of output 4 [2022-11-16 19:28:17,839 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-16 19:28:18,221 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-16 19:28:18,226 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-16 19:28:18,231 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-16 19:28:24,586 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-16 19:28:24,686 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-16 19:28:24,858 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 6 treesize of output 4 [2022-11-16 19:28:25,148 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-16 19:28:25,156 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-16 19:28:25,179 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-16 19:28:46,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:46,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:46,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:46,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:46,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:46,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:46,084 INFO L350 Elim1Store]: Elim1 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 4225 treesize of output 3817 [2022-11-16 19:28:46,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:46,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:46,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:46,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:46,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:46,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:46,222 INFO L350 Elim1Store]: Elim1 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 3817 treesize of output 3409 [2022-11-16 19:28:46,433 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 34 select indices, 34 select index equivalence classes, 561 disjoint index pairs (out of 561 index pairs), introduced 34 new quantified variables, introduced 0 case distinctions, treesize of input 3409 treesize of output 3141 [2022-11-16 19:28:46,641 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 34 select indices, 34 select index equivalence classes, 561 disjoint index pairs (out of 561 index pairs), introduced 34 new quantified variables, introduced 0 case distinctions, treesize of input 3141 treesize of output 2873 [2022-11-16 19:28:46,858 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 66 select indices, 66 select index equivalence classes, 2145 disjoint index pairs (out of 2145 index pairs), introduced 66 new quantified variables, introduced 0 case distinctions, treesize of input 2873 treesize of output 2349 [2022-11-16 19:28:47,092 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 66 select indices, 66 select index equivalence classes, 2145 disjoint index pairs (out of 2145 index pairs), introduced 66 new quantified variables, introduced 0 case distinctions, treesize of input 2349 treesize of output 1825 [2022-11-16 19:28:47,268 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1825 treesize of output 1821 [2022-11-16 19:28:47,495 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1821 treesize of output 1817 [2022-11-16 19:28:47,695 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1817 treesize of output 1813 [2022-11-16 19:28:58,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:58,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:58,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:58,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:58,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:58,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:58,370 INFO L350 Elim1Store]: Elim1 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 4225 treesize of output 3817 [2022-11-16 19:28:58,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:58,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:58,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:58,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:58,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:58,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:28:58,506 INFO L350 Elim1Store]: Elim1 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 3817 treesize of output 3409 [2022-11-16 19:28:58,678 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 34 select indices, 34 select index equivalence classes, 561 disjoint index pairs (out of 561 index pairs), introduced 34 new quantified variables, introduced 0 case distinctions, treesize of input 3409 treesize of output 3141 [2022-11-16 19:28:58,828 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 34 select indices, 34 select index equivalence classes, 561 disjoint index pairs (out of 561 index pairs), introduced 34 new quantified variables, introduced 0 case distinctions, treesize of input 3141 treesize of output 2873 [2022-11-16 19:28:58,984 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 66 select indices, 66 select index equivalence classes, 2145 disjoint index pairs (out of 2145 index pairs), introduced 66 new quantified variables, introduced 0 case distinctions, treesize of input 2873 treesize of output 2349 [2022-11-16 19:28:59,147 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 66 select indices, 66 select index equivalence classes, 2145 disjoint index pairs (out of 2145 index pairs), introduced 66 new quantified variables, introduced 0 case distinctions, treesize of input 2349 treesize of output 1825 [2022-11-16 19:28:59,293 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1825 treesize of output 1821 [2022-11-16 19:28:59,482 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1821 treesize of output 1817 [2022-11-16 19:28:59,671 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1817 treesize of output 1813 [2022-11-16 19:29:19,417 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_irq_1 with input of size 230 for LOIs [2022-11-16 19:29:19,788 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_init_zalloc with input of size 107 for LOIs [2022-11-16 19:29:19,820 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 12 treesize of output 9 [2022-11-16 19:29:19,834 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2022-11-16 19:29:20,155 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.meminit with input of size 126 for LOIs [2022-11-16 19:29:20,168 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 128 for LOIs [2022-11-16 19:29:20,207 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-16 19:29:37,109 WARN L233 SmtUtils]: Spent 15.59s on a formula simplification that was a NOOP. DAG size: 1421 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 19:29:52,313 WARN L233 SmtUtils]: Spent 9.62s on a formula simplification. DAG size of input: 772 DAG size of output: 770 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 19:30:02,435 WARN L233 SmtUtils]: Spent 9.52s on a formula simplification. DAG size of input: 776 DAG size of output: 774 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 19:30:19,148 WARN L233 SmtUtils]: Spent 15.97s on a formula simplification. DAG size of input: 897 DAG size of output: 788 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 19:30:35,712 WARN L233 SmtUtils]: Spent 15.65s on a formula simplification. DAG size of input: 901 DAG size of output: 793 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 19:30:54,775 WARN L233 SmtUtils]: Spent 18.25s on a formula simplification. DAG size of input: 918 DAG size of output: 819 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 19:31:12,845 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1669188305] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:31:12,845 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-16 19:31:12,845 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [8, 10, 10] total 47 [2022-11-16 19:31:12,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585443717] [2022-11-16 19:31:12,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:31:12,846 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-11-16 19:31:12,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:31:12,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-11-16 19:31:12,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=256, Invalid=1906, Unknown=0, NotChecked=0, Total=2162 [2022-11-16 19:31:12,849 INFO L87 Difference]: Start difference. First operand 10554 states and 14850 transitions. Second operand has 31 states, 21 states have (on average 3.0952380952380953) internal successors, (65), 19 states have internal predecessors, (65), 8 states have call successors, (23), 5 states have call predecessors, (23), 5 states have return successors, (19), 8 states have call predecessors, (19), 8 states have call successors, (19) [2022-11-16 19:31:46,933 WARN L233 SmtUtils]: Spent 30.60s on a formula simplification. DAG size of input: 1425 DAG size of output: 1424 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 19:32:19,822 WARN L233 SmtUtils]: Spent 31.63s on a formula simplification. DAG size of input: 1437 DAG size of output: 1434 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 19:32:52,846 WARN L233 SmtUtils]: Spent 32.15s on a formula simplification. DAG size of input: 1441 DAG size of output: 1438 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 19:33:52,138 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:33:53,817 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:33:55,833 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:33:57,981 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:34:00,273 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:34:01,295 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:34:16,810 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:34:18,822 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:34:20,834 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:34:22,849 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:34:24,858 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:34:26,864 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:34:28,873 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:34:30,886 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:34:32,899 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:34:37,508 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:34:38,548 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:34:39,746 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:34:40,766 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:34:42,263 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:34:43,883 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:34:45,536 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:34:47,008 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:34:48,819 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:34:50,446 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:34:51,759 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:34:52,762 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:34:54,351 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:34:55,517 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:34:56,964 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:35:02,486 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:35:04,297 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:35:06,348 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:35:08,011 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:35:10,028 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:35:12,050 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:35:13,487 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:35:15,498 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:35:17,510 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:35:19,525 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:35:21,546 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:35:27,390 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:35:29,645 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:35:31,653 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:35:33,664 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:35:35,679 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:35:37,687 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:35:39,693 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:35:41,705 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:35:43,718 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:35:45,730 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:35:49,633 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:35:52,977 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:35:54,925 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:35:56,351 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:35:58,871 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:36:03,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:36:03,201 INFO L93 Difference]: Finished difference Result 21222 states and 29857 transitions. [2022-11-16 19:36:03,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-11-16 19:36:03,202 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 21 states have (on average 3.0952380952380953) internal successors, (65), 19 states have internal predecessors, (65), 8 states have call successors, (23), 5 states have call predecessors, (23), 5 states have return successors, (19), 8 states have call predecessors, (19), 8 states have call successors, (19) Word has length 142 [2022-11-16 19:36:03,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:36:03,248 INFO L225 Difference]: With dead ends: 21222 [2022-11-16 19:36:03,248 INFO L226 Difference]: Without dead ends: 10669 [2022-11-16 19:36:03,281 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 443 GetRequests, 378 SyntacticMatches, 10 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 567 ImplicationChecksByTransitivity, 220.1s TimeCoverageRelationStatistics Valid=377, Invalid=2815, Unknown=0, NotChecked=0, Total=3192 [2022-11-16 19:36:03,282 INFO L413 NwaCegarLoop]: 1052 mSDtfsCounter, 89 mSDsluCounter, 12240 mSDsCounter, 0 mSdLazyCounter, 5763 mSolverCounterSat, 44 mSolverCounterUnsat, 30 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 178.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 13292 SdHoareTripleChecker+Invalid, 6196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 5763 IncrementalHoareTripleChecker+Invalid, 30 IncrementalHoareTripleChecker+Unknown, 359 IncrementalHoareTripleChecker+Unchecked, 182.6s IncrementalHoareTripleChecker+Time [2022-11-16 19:36:03,282 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 13292 Invalid, 6196 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [44 Valid, 5763 Invalid, 30 Unknown, 359 Unchecked, 182.6s Time] [2022-11-16 19:36:03,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10669 states. [2022-11-16 19:36:03,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10669 to 10627. [2022-11-16 19:36:03,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10627 states, 6698 states have (on average 1.3085995819647656) internal successors, (8765), 6885 states have internal predecessors, (8765), 3069 states have call successors, (3069), 846 states have call predecessors, (3069), 859 states have return successors, (3106), 3022 states have call predecessors, (3106), 3068 states have call successors, (3106) [2022-11-16 19:36:03,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10627 states to 10627 states and 14940 transitions. [2022-11-16 19:36:03,954 INFO L78 Accepts]: Start accepts. Automaton has 10627 states and 14940 transitions. Word has length 142 [2022-11-16 19:36:03,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:36:03,955 INFO L495 AbstractCegarLoop]: Abstraction has 10627 states and 14940 transitions. [2022-11-16 19:36:03,955 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 21 states have (on average 3.0952380952380953) internal successors, (65), 19 states have internal predecessors, (65), 8 states have call successors, (23), 5 states have call predecessors, (23), 5 states have return successors, (19), 8 states have call predecessors, (19), 8 states have call successors, (19) [2022-11-16 19:36:03,955 INFO L276 IsEmpty]: Start isEmpty. Operand 10627 states and 14940 transitions. [2022-11-16 19:36:03,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2022-11-16 19:36:03,960 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:36:03,961 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-16 19:36:03,978 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7498af8a-4d1f-4f2c-8334-385b17662a9e/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-16 19:36:04,172 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7498af8a-4d1f-4f2c-8334-385b17662a9e/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 19:36:04,172 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 19:36:04,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:36:04,173 INFO L85 PathProgramCache]: Analyzing trace with hash 871181451, now seen corresponding path program 1 times [2022-11-16 19:36:04,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:36:04,173 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173980005] [2022-11-16 19:36:04,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:36:04,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:36:04,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:36:04,845 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 16 proven. 7 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-11-16 19:36:04,845 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:36:04,845 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173980005] [2022-11-16 19:36:04,845 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1173980005] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 19:36:04,845 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [572842910] [2022-11-16 19:36:04,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:36:04,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 19:36:04,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7498af8a-4d1f-4f2c-8334-385b17662a9e/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 19:36:04,851 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7498af8a-4d1f-4f2c-8334-385b17662a9e/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 19:36:04,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7498af8a-4d1f-4f2c-8334-385b17662a9e/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-16 19:36:05,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:36:05,893 INFO L263 TraceCheckSpWp]: Trace formula consists of 2088 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-16 19:36:05,897 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 19:36:06,264 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 12 proven. 7 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-16 19:36:06,264 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 19:36:06,814 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 15 proven. 3 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2022-11-16 19:36:06,814 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [572842910] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 19:36:06,814 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1129141503] [2022-11-16 19:36:06,821 INFO L159 IcfgInterpreter]: Started Sifa with 101 locations of interest [2022-11-16 19:36:06,821 INFO L166 IcfgInterpreter]: Building call graph [2022-11-16 19:36:06,822 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-16 19:36:06,822 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-16 19:36:06,822 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-16 19:36:07,727 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 9 treesize of output 11 [2022-11-16 19:36:07,799 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 9 treesize of output 11 [2022-11-16 19:36:07,856 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 9 treesize of output 11 [2022-11-16 19:36:07,901 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 9 treesize of output 11 [2022-11-16 19:36:07,959 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 9 treesize of output 11 [2022-11-16 19:36:08,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:08,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:08,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:08,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:08,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:08,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:08,391 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 21 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 53 [2022-11-16 19:36:08,475 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 316 treesize of output 254 [2022-11-16 19:36:08,716 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 9 treesize of output 11 [2022-11-16 19:36:08,790 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 9 treesize of output 11 [2022-11-16 19:36:08,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:08,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:08,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:08,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:08,940 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 106 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 973 treesize of output 808 [2022-11-16 19:36:09,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:09,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:09,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:09,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:09,577 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 35 [2022-11-16 19:36:09,727 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 19:36:09,807 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 316 treesize of output 254 [2022-11-16 19:36:10,938 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2022-11-16 19:36:10,944 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 12 treesize of output 9 [2022-11-16 19:36:10,953 INFO L350 Elim1Store]: Elim1 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 7 treesize of output 6 [2022-11-16 19:36:12,038 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 15 select indices, 15 select index equivalence classes, 105 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 976 treesize of output 742 [2022-11-16 19:36:12,130 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 22 [2022-11-16 19:36:12,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:12,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:12,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:12,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:12,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:12,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:12,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:12,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:12,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:12,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:12,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:12,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:12,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:12,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:12,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:12,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:12,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:12,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:12,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:12,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:12,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:12,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:12,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:12,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:12,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:12,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:12,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:12,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:12,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:12,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:12,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:12,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:12,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:12,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:12,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:12,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:12,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:12,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:12,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:12,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:12,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:12,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:12,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:12,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:12,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:12,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:12,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:12,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:12,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:12,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:12,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:12,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:12,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:12,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:12,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:12,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:12,373 INFO L217 Elim1Store]: Index analysis took 132 ms [2022-11-16 19:36:12,379 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 57 select indices, 57 select index equivalence classes, 1596 disjoint index pairs (out of 1596 index pairs), introduced 57 new quantified variables, introduced 0 case distinctions, treesize of input 398 treesize of output 172 [2022-11-16 19:36:14,169 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 15 select indices, 15 select index equivalence classes, 105 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 976 treesize of output 742 [2022-11-16 19:36:14,308 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 22 [2022-11-16 19:36:14,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:14,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:14,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:14,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:14,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:14,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:14,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:14,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:14,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:14,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:14,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:14,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:14,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:14,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:14,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:14,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:14,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:14,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:14,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:14,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:14,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:14,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:14,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:14,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:14,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:14,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:14,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:14,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:14,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:14,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:14,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:14,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:14,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:14,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:14,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:14,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:14,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:14,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:14,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:14,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:14,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:14,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:14,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:14,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:14,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:14,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:14,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:14,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:14,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:14,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:14,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:14,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:14,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:14,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:14,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:14,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:14,550 INFO L217 Elim1Store]: Index analysis took 133 ms [2022-11-16 19:36:14,556 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 57 select indices, 57 select index equivalence classes, 1596 disjoint index pairs (out of 1596 index pairs), introduced 57 new quantified variables, introduced 0 case distinctions, treesize of input 398 treesize of output 172 [2022-11-16 19:36:21,541 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 6 treesize of output 4 [2022-11-16 19:36:21,658 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-16 19:36:21,783 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-16 19:36:22,036 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-16 19:36:22,047 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-16 19:36:22,060 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-16 19:36:27,174 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 6 treesize of output 4 [2022-11-16 19:36:27,286 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-16 19:36:27,339 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-16 19:36:27,666 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-16 19:36:27,676 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-16 19:36:27,679 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-16 19:36:37,087 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-16 19:36:37,214 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 6 treesize of output 4 [2022-11-16 19:36:37,296 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-16 19:36:37,605 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-16 19:36:37,617 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-16 19:36:37,623 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-16 19:36:45,077 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-16 19:36:45,167 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 6 treesize of output 4 [2022-11-16 19:36:45,293 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-16 19:36:45,608 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-16 19:36:45,616 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-16 19:36:45,628 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-16 19:36:48,330 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-16 19:36:48,374 INFO L350 Elim1Store]: Elim1 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 909 treesize of output 705 [2022-11-16 19:36:48,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,572 INFO L217 Elim1Store]: Index analysis took 144 ms [2022-11-16 19:36:48,578 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 66 select indices, 66 select index equivalence classes, 2145 disjoint index pairs (out of 2145 index pairs), introduced 66 new quantified variables, introduced 0 case distinctions, treesize of input 461 treesize of output 199 [2022-11-16 19:36:48,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,717 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 34 select indices, 34 select index equivalence classes, 561 disjoint index pairs (out of 561 index pairs), introduced 34 new quantified variables, introduced 0 case distinctions, treesize of input 237 treesize of output 103 [2022-11-16 19:36:48,755 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-16 19:36:48,800 INFO L350 Elim1Store]: Elim1 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 909 treesize of output 705 [2022-11-16 19:36:48,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,936 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 34 select indices, 34 select index equivalence classes, 561 disjoint index pairs (out of 561 index pairs), introduced 34 new quantified variables, introduced 0 case distinctions, treesize of input 237 treesize of output 103 [2022-11-16 19:36:48,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:48,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:49,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:49,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:49,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:49,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:49,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:49,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:49,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:49,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:49,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:49,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:49,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:49,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:49,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:49,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:49,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:49,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:49,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:49,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:49,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:49,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:49,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:49,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:49,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:49,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:49,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:49,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:49,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:49,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:49,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:49,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:49,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:49,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:49,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:49,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:49,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:49,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:49,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:49,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:49,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:49,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:49,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:49,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:49,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:49,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:49,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:49,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:49,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:49,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:49,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:49,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:49,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:49,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:49,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:49,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:49,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:49,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:49,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:49,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:49,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:49,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:49,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:49,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:49,139 INFO L217 Elim1Store]: Index analysis took 145 ms [2022-11-16 19:36:49,145 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 66 select indices, 66 select index equivalence classes, 2145 disjoint index pairs (out of 2145 index pairs), introduced 66 new quantified variables, introduced 0 case distinctions, treesize of input 461 treesize of output 199 [2022-11-16 19:36:49,202 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 6 treesize of output 4 [2022-11-16 19:36:50,138 INFO L350 Elim1Store]: Elim1 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 909 treesize of output 705 [2022-11-16 19:36:50,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,239 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 34 select indices, 34 select index equivalence classes, 561 disjoint index pairs (out of 561 index pairs), introduced 34 new quantified variables, introduced 0 case distinctions, treesize of input 237 treesize of output 103 [2022-11-16 19:36:50,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,412 INFO L217 Elim1Store]: Index analysis took 114 ms [2022-11-16 19:36:50,419 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 66 select indices, 66 select index equivalence classes, 2145 disjoint index pairs (out of 2145 index pairs), introduced 66 new quantified variables, introduced 0 case distinctions, treesize of input 461 treesize of output 199 [2022-11-16 19:36:50,484 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 6 treesize of output 4 [2022-11-16 19:36:50,558 INFO L350 Elim1Store]: Elim1 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 909 treesize of output 705 [2022-11-16 19:36:50,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,716 INFO L217 Elim1Store]: Index analysis took 113 ms [2022-11-16 19:36:50,719 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 66 select indices, 66 select index equivalence classes, 2145 disjoint index pairs (out of 2145 index pairs), introduced 66 new quantified variables, introduced 0 case distinctions, treesize of input 461 treesize of output 199 [2022-11-16 19:36:50,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:50,827 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 34 select indices, 34 select index equivalence classes, 561 disjoint index pairs (out of 561 index pairs), introduced 34 new quantified variables, introduced 0 case distinctions, treesize of input 237 treesize of output 103 [2022-11-16 19:36:50,868 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-16 19:36:50,894 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-16 19:37:15,849 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_irq_1 with input of size 206 for LOIs [2022-11-16 19:37:16,148 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_init_zalloc with input of size 107 for LOIs [2022-11-16 19:37:16,179 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2022-11-16 19:37:16,199 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 12 treesize of output 9 [2022-11-16 19:37:16,517 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.meminit with input of size 126 for LOIs [2022-11-16 19:37:16,528 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 128 for LOIs [2022-11-16 19:37:16,560 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-16 19:37:33,749 WARN L233 SmtUtils]: Spent 15.72s on a formula simplification that was a NOOP. DAG size: 1421 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 19:37:56,397 WARN L233 SmtUtils]: Spent 16.87s on a formula simplification. DAG size of input: 876 DAG size of output: 797 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 19:38:13,502 WARN L233 SmtUtils]: Spent 16.28s on a formula simplification. DAG size of input: 880 DAG size of output: 790 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 19:38:30,058 WARN L233 SmtUtils]: Spent 15.79s on a formula simplification. DAG size of input: 903 DAG size of output: 789 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 19:38:49,747 WARN L233 SmtUtils]: Spent 18.87s on a formula simplification. DAG size of input: 907 DAG size of output: 835 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)