./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-examples/standard_strcpy_ground-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06db9ab4-834c-4c20-9fcd-0946096afe7c/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06db9ab4-834c-4c20-9fcd-0946096afe7c/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06db9ab4-834c-4c20-9fcd-0946096afe7c/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06db9ab4-834c-4c20-9fcd-0946096afe7c/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-examples/standard_strcpy_ground-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06db9ab4-834c-4c20-9fcd-0946096afe7c/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06db9ab4-834c-4c20-9fcd-0946096afe7c/bin/utaipan-Q6hlc19bkW --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 32bit --witnessprinter.graph.data.programhash 9957a8257e625ece47db9a92e288c6545c023c8bdaf68d0d314c8d86ce47979a --- 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-4e7fbc6 [2022-11-23 14:10:36,683 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 14:10:36,685 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 14:10:36,728 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 14:10:36,729 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 14:10:36,732 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 14:10:36,735 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 14:10:36,738 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 14:10:36,740 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 14:10:36,745 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 14:10:36,747 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 14:10:36,749 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 14:10:36,749 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 14:10:36,752 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 14:10:36,754 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 14:10:36,755 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 14:10:36,757 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 14:10:36,758 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 14:10:36,759 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 14:10:36,766 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 14:10:36,767 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 14:10:36,769 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 14:10:36,771 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 14:10:36,772 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 14:10:36,782 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 14:10:36,782 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 14:10:36,783 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 14:10:36,785 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 14:10:36,785 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 14:10:36,786 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 14:10:36,786 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 14:10:36,787 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 14:10:36,789 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 14:10:36,790 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 14:10:36,792 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 14:10:36,792 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 14:10:36,793 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 14:10:36,793 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 14:10:36,793 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 14:10:36,795 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 14:10:36,796 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 14:10:36,796 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06db9ab4-834c-4c20-9fcd-0946096afe7c/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-23 14:10:36,837 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 14:10:36,837 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 14:10:36,838 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 14:10:36,838 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 14:10:36,839 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 14:10:36,839 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 14:10:36,840 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 14:10:36,840 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 14:10:36,840 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 14:10:36,840 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 14:10:36,841 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 14:10:36,841 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 14:10:36,842 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 14:10:36,842 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 14:10:36,842 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 14:10:36,842 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 14:10:36,842 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 14:10:36,843 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 14:10:36,844 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 14:10:36,844 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 14:10:36,844 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 14:10:36,844 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 14:10:36,844 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 14:10:36,845 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 14:10:36,845 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 14:10:36,845 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 14:10:36,845 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 14:10:36,845 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 14:10:36,846 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 14:10:36,846 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 14:10:36,846 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 14:10:36,847 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 14:10:36,847 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:10:36,847 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 14:10:36,847 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 14:10:36,847 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 14:10:36,848 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 14:10:36,848 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 14:10:36,848 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 14:10:36,848 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 14:10:36,848 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 14:10:36,849 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_06db9ab4-834c-4c20-9fcd-0946096afe7c/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06db9ab4-834c-4c20-9fcd-0946096afe7c/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9957a8257e625ece47db9a92e288c6545c023c8bdaf68d0d314c8d86ce47979a [2022-11-23 14:10:37,106 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 14:10:37,140 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 14:10:37,143 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 14:10:37,144 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 14:10:37,145 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 14:10:37,146 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06db9ab4-834c-4c20-9fcd-0946096afe7c/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/array-examples/standard_strcpy_ground-1.i [2022-11-23 14:10:40,186 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 14:10:40,360 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 14:10:40,361 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06db9ab4-834c-4c20-9fcd-0946096afe7c/sv-benchmarks/c/array-examples/standard_strcpy_ground-1.i [2022-11-23 14:10:40,367 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06db9ab4-834c-4c20-9fcd-0946096afe7c/bin/utaipan-Q6hlc19bkW/data/47037aae7/2f0b93bfb46843568ed3bd58104588e0/FLAGe27cd471d [2022-11-23 14:10:40,382 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06db9ab4-834c-4c20-9fcd-0946096afe7c/bin/utaipan-Q6hlc19bkW/data/47037aae7/2f0b93bfb46843568ed3bd58104588e0 [2022-11-23 14:10:40,384 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 14:10:40,386 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 14:10:40,388 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 14:10:40,388 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 14:10:40,392 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 14:10:40,392 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:10:40" (1/1) ... [2022-11-23 14:10:40,394 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fac7be2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:10:40, skipping insertion in model container [2022-11-23 14:10:40,394 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:10:40" (1/1) ... [2022-11-23 14:10:40,401 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 14:10:40,416 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 14:10:40,559 WARN L237 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_06db9ab4-834c-4c20-9fcd-0946096afe7c/sv-benchmarks/c/array-examples/standard_strcpy_ground-1.i[853,866] [2022-11-23 14:10:40,573 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:10:40,580 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 14:10:40,591 WARN L237 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_06db9ab4-834c-4c20-9fcd-0946096afe7c/sv-benchmarks/c/array-examples/standard_strcpy_ground-1.i[853,866] [2022-11-23 14:10:40,597 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:10:40,611 INFO L208 MainTranslator]: Completed translation [2022-11-23 14:10:40,611 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:10:40 WrapperNode [2022-11-23 14:10:40,612 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 14:10:40,613 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 14:10:40,613 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 14:10:40,613 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 14:10:40,620 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:10:40" (1/1) ... [2022-11-23 14:10:40,627 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:10:40" (1/1) ... [2022-11-23 14:10:40,645 INFO L138 Inliner]: procedures = 16, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 66 [2022-11-23 14:10:40,645 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 14:10:40,646 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 14:10:40,646 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 14:10:40,646 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 14:10:40,653 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:10:40" (1/1) ... [2022-11-23 14:10:40,653 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:10:40" (1/1) ... [2022-11-23 14:10:40,656 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:10:40" (1/1) ... [2022-11-23 14:10:40,656 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:10:40" (1/1) ... [2022-11-23 14:10:40,661 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:10:40" (1/1) ... [2022-11-23 14:10:40,665 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:10:40" (1/1) ... [2022-11-23 14:10:40,671 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:10:40" (1/1) ... [2022-11-23 14:10:40,672 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:10:40" (1/1) ... [2022-11-23 14:10:40,674 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 14:10:40,675 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 14:10:40,675 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 14:10:40,675 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 14:10:40,676 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:10:40" (1/1) ... [2022-11-23 14:10:40,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:10:40,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06db9ab4-834c-4c20-9fcd-0946096afe7c/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:10:40,713 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06db9ab4-834c-4c20-9fcd-0946096afe7c/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 14:10:40,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06db9ab4-834c-4c20-9fcd-0946096afe7c/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 14:10:40,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 14:10:40,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 14:10:40,756 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 14:10:40,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 14:10:40,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 14:10:40,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 14:10:40,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 14:10:40,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 14:10:40,828 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 14:10:40,830 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 14:10:40,959 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 14:10:40,994 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 14:10:40,994 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-23 14:10:40,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:10:40 BoogieIcfgContainer [2022-11-23 14:10:40,997 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 14:10:40,999 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 14:10:41,000 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 14:10:41,003 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 14:10:41,003 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:10:40" (1/3) ... [2022-11-23 14:10:41,004 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74e53fbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:10:41, skipping insertion in model container [2022-11-23 14:10:41,004 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:10:40" (2/3) ... [2022-11-23 14:10:41,005 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74e53fbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:10:41, skipping insertion in model container [2022-11-23 14:10:41,005 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:10:40" (3/3) ... [2022-11-23 14:10:41,006 INFO L112 eAbstractionObserver]: Analyzing ICFG standard_strcpy_ground-1.i [2022-11-23 14:10:41,034 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 14:10:41,034 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-23 14:10:41,082 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 14:10:41,089 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;@346581ad, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 14:10:41,089 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-23 14:10:41,093 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:10:41,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-23 14:10:41,099 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:10:41,100 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:10:41,101 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:10:41,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:10:41,106 INFO L85 PathProgramCache]: Analyzing trace with hash -583452026, now seen corresponding path program 1 times [2022-11-23 14:10:41,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:10:41,115 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334060509] [2022-11-23 14:10:41,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:10:41,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:10:41,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:10:41,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:10:41,276 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:10:41,276 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334060509] [2022-11-23 14:10:41,277 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1334060509] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:10:41,277 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:10:41,277 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 14:10:41,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33826157] [2022-11-23 14:10:41,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:10:41,282 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-23 14:10:41,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:10:41,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-23 14:10:41,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 14:10:41,310 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:10:41,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:10:41,347 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2022-11-23 14:10:41,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 14:10:41,355 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2022-11-23 14:10:41,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:10:41,363 INFO L225 Difference]: With dead ends: 18 [2022-11-23 14:10:41,363 INFO L226 Difference]: Without dead ends: 10 [2022-11-23 14:10:41,366 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 14:10:41,370 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 14:10:41,371 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 8 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 14:10:41,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2022-11-23 14:10:41,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2022-11-23 14:10:41,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:10:41,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 12 transitions. [2022-11-23 14:10:41,402 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 12 transitions. Word has length 7 [2022-11-23 14:10:41,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:10:41,403 INFO L495 AbstractCegarLoop]: Abstraction has 10 states and 12 transitions. [2022-11-23 14:10:41,403 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:10:41,403 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2022-11-23 14:10:41,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-23 14:10:41,404 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:10:41,404 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:10:41,405 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 14:10:41,405 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:10:41,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:10:41,406 INFO L85 PathProgramCache]: Analyzing trace with hash 117723461, now seen corresponding path program 1 times [2022-11-23 14:10:41,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:10:41,407 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747902720] [2022-11-23 14:10:41,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:10:41,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:10:41,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:10:41,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:10:41,495 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:10:41,495 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747902720] [2022-11-23 14:10:41,495 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [747902720] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:10:41,495 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:10:41,496 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 14:10:41,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124842645] [2022-11-23 14:10:41,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:10:41,497 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 14:10:41,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:10:41,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 14:10:41,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:10:41,498 INFO L87 Difference]: Start difference. First operand 10 states and 12 transitions. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:10:41,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:10:41,517 INFO L93 Difference]: Finished difference Result 19 states and 23 transitions. [2022-11-23 14:10:41,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 14:10:41,518 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-11-23 14:10:41,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:10:41,518 INFO L225 Difference]: With dead ends: 19 [2022-11-23 14:10:41,518 INFO L226 Difference]: Without dead ends: 11 [2022-11-23 14:10:41,519 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:10:41,521 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 0 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 14:10:41,522 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 14 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 14:10:41,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2022-11-23 14:10:41,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2022-11-23 14:10:41,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:10:41,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 13 transitions. [2022-11-23 14:10:41,526 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 13 transitions. Word has length 8 [2022-11-23 14:10:41,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:10:41,527 INFO L495 AbstractCegarLoop]: Abstraction has 11 states and 13 transitions. [2022-11-23 14:10:41,527 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:10:41,527 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2022-11-23 14:10:41,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-23 14:10:41,527 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:10:41,528 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:10:41,528 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 14:10:41,528 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:10:41,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:10:41,529 INFO L85 PathProgramCache]: Analyzing trace with hash -903641258, now seen corresponding path program 1 times [2022-11-23 14:10:41,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:10:41,529 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321672938] [2022-11-23 14:10:41,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:10:41,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:10:41,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:10:41,679 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:10:41,679 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:10:41,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321672938] [2022-11-23 14:10:41,680 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1321672938] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 14:10:41,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1930319323] [2022-11-23 14:10:41,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:10:41,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:10:41,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06db9ab4-834c-4c20-9fcd-0946096afe7c/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:10:41,684 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06db9ab4-834c-4c20-9fcd-0946096afe7c/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:10:41,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06db9ab4-834c-4c20-9fcd-0946096afe7c/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-23 14:10:41,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:10:41,802 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 14:10:41,806 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:10:41,865 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:10:41,866 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:10:41,906 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:10:41,907 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1930319323] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 14:10:41,912 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1897970092] [2022-11-23 14:10:41,937 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2022-11-23 14:10:41,937 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 14:10:41,940 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 14:10:41,951 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 14:10:41,951 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 14:10:42,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:42,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:42,149 INFO L321 Elim1Store]: treesize reduction 37, result has 32.7 percent of original size [2022-11-23 14:10:42,151 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 34 [2022-11-23 14:10:42,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:42,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:42,226 INFO L321 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2022-11-23 14:10:42,227 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 39 treesize of output 53 [2022-11-23 14:10:42,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:42,275 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 33 [2022-11-23 14:10:42,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:42,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:42,453 INFO L321 Elim1Store]: treesize reduction 49, result has 12.5 percent of original size [2022-11-23 14:10:42,454 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 258 treesize of output 246 [2022-11-23 14:10:42,562 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 16 treesize of output 12 [2022-11-23 14:10:42,620 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 14:10:42,849 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1897970092] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:10:42,849 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-23 14:10:42,849 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [3, 3, 3] total 11 [2022-11-23 14:10:42,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537777896] [2022-11-23 14:10:42,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:10:42,851 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-23 14:10:42,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:10:42,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-23 14:10:42,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2022-11-23 14:10:42,852 INFO L87 Difference]: Start difference. First operand 11 states and 13 transitions. Second operand has 7 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:10:42,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:10:42,892 INFO L93 Difference]: Finished difference Result 20 states and 23 transitions. [2022-11-23 14:10:42,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 14:10:42,893 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-11-23 14:10:42,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:10:42,893 INFO L225 Difference]: With dead ends: 20 [2022-11-23 14:10:42,893 INFO L226 Difference]: Without dead ends: 13 [2022-11-23 14:10:42,894 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2022-11-23 14:10:42,895 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 7 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 14:10:42,896 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 11 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 14:10:42,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2022-11-23 14:10:42,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2022-11-23 14:10:42,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:10:42,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 15 transitions. [2022-11-23 14:10:42,901 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 15 transitions. Word has length 9 [2022-11-23 14:10:42,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:10:42,901 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 15 transitions. [2022-11-23 14:10:42,902 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:10:42,902 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2022-11-23 14:10:42,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-23 14:10:42,902 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:10:42,903 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:10:42,917 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06db9ab4-834c-4c20-9fcd-0946096afe7c/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-23 14:10:43,117 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06db9ab4-834c-4c20-9fcd-0946096afe7c/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:10:43,117 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:10:43,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:10:43,118 INFO L85 PathProgramCache]: Analyzing trace with hash 1919282960, now seen corresponding path program 1 times [2022-11-23 14:10:43,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:10:43,118 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990144771] [2022-11-23 14:10:43,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:10:43,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:10:43,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:10:43,260 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-23 14:10:43,261 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:10:43,261 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990144771] [2022-11-23 14:10:43,264 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1990144771] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 14:10:43,264 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1262587987] [2022-11-23 14:10:43,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:10:43,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:10:43,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06db9ab4-834c-4c20-9fcd-0946096afe7c/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:10:43,268 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06db9ab4-834c-4c20-9fcd-0946096afe7c/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:10:43,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06db9ab4-834c-4c20-9fcd-0946096afe7c/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-23 14:10:43,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:10:43,343 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 14:10:43,346 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:10:43,357 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-23 14:10:43,358 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:10:43,381 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-23 14:10:43,382 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1262587987] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 14:10:43,382 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1729753887] [2022-11-23 14:10:43,385 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2022-11-23 14:10:43,386 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 14:10:43,386 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 14:10:43,386 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 14:10:43,387 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 14:10:43,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:43,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:43,470 INFO L321 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2022-11-23 14:10:43,474 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 39 treesize of output 53 [2022-11-23 14:10:43,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:43,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:43,500 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 27 [2022-11-23 14:10:43,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:43,548 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-11-23 14:10:43,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:43,654 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:10:43,686 INFO L321 Elim1Store]: treesize reduction 54, result has 28.0 percent of original size [2022-11-23 14:10:43,692 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 248 treesize of output 247 [2022-11-23 14:10:43,827 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 16 treesize of output 12 [2022-11-23 14:10:43,864 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:10:43,875 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-23 14:10:43,876 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 29 [2022-11-23 14:10:43,913 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:10:43,926 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-23 14:10:43,926 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 25 [2022-11-23 14:10:43,989 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:10:44,001 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-23 14:10:44,002 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 25 [2022-11-23 14:10:44,039 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 14:10:44,468 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '266#(and (= |ULTIMATE.start_main_~#dst~0#1.offset| 0) (< |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~i~0#1|) (<= 0 |ULTIMATE.start_main_~#src~0#1.base|) (= |ULTIMATE.start_main_~#src~0#1.offset| 0) (= |ULTIMATE.start_main_#t~mem6#1| (select (select |#memory_int| |ULTIMATE.start_main_~#dst~0#1.base|) (+ |ULTIMATE.start_main_~#dst~0#1.offset| (* |ULTIMATE.start_main_~x~0#1| 4)))) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (= |ULTIMATE.start_main_#t~mem7#1| (select (select |#memory_int| |ULTIMATE.start_main_~#src~0#1.base|) (+ |ULTIMATE.start_main_~#src~0#1.offset| (* |ULTIMATE.start_main_~x~0#1| 4)))) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| (ite (= |ULTIMATE.start_main_#t~mem7#1| |ULTIMATE.start_main_#t~mem6#1|) 1 0)) (<= 0 |ULTIMATE.start_main_~#dst~0#1.base|) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= 100000 |ULTIMATE.start_main_~j~0#1|) (= |#NULL.offset| 0) (= |ULTIMATE.start_main_~x~0#1| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-11-23 14:10:44,468 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-23 14:10:44,469 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 14:10:44,469 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2022-11-23 14:10:44,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718121057] [2022-11-23 14:10:44,469 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 14:10:44,470 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-23 14:10:44,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:10:44,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-23 14:10:44,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2022-11-23 14:10:44,471 INFO L87 Difference]: Start difference. First operand 13 states and 15 transitions. Second operand has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:10:44,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:10:44,504 INFO L93 Difference]: Finished difference Result 26 states and 32 transitions. [2022-11-23 14:10:44,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 14:10:44,504 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-23 14:10:44,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:10:44,505 INFO L225 Difference]: With dead ends: 26 [2022-11-23 14:10:44,505 INFO L226 Difference]: Without dead ends: 16 [2022-11-23 14:10:44,506 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2022-11-23 14:10:44,507 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 0 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 14:10:44,507 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 21 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 14:10:44,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2022-11-23 14:10:44,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2022-11-23 14:10:44,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 15 states have (on average 1.2) internal successors, (18), 15 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:10:44,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 18 transitions. [2022-11-23 14:10:44,513 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 18 transitions. Word has length 11 [2022-11-23 14:10:44,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:10:44,514 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 18 transitions. [2022-11-23 14:10:44,514 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:10:44,514 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2022-11-23 14:10:44,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-23 14:10:44,515 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:10:44,515 INFO L195 NwaCegarLoop]: trace histogram [4, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:10:44,526 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06db9ab4-834c-4c20-9fcd-0946096afe7c/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-23 14:10:44,715 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06db9ab4-834c-4c20-9fcd-0946096afe7c/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:10:44,716 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:10:44,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:10:44,717 INFO L85 PathProgramCache]: Analyzing trace with hash -1343003265, now seen corresponding path program 2 times [2022-11-23 14:10:44,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:10:44,717 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690054426] [2022-11-23 14:10:44,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:10:44,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:10:44,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:10:44,927 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-23 14:10:44,927 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:10:44,928 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690054426] [2022-11-23 14:10:44,928 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [690054426] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 14:10:44,928 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1847441304] [2022-11-23 14:10:44,928 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-23 14:10:44,928 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:10:44,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06db9ab4-834c-4c20-9fcd-0946096afe7c/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:10:44,930 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06db9ab4-834c-4c20-9fcd-0946096afe7c/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:10:44,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06db9ab4-834c-4c20-9fcd-0946096afe7c/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-23 14:10:44,997 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-11-23 14:10:44,997 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-23 14:10:44,998 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 22 conjunts are in the unsatisfiable core [2022-11-23 14:10:45,000 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:10:45,070 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-23 14:10:45,071 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15 [2022-11-23 14:10:45,150 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-23 14:10:45,151 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:10:45,221 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 14:10:45,222 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 82 treesize of output 78 [2022-11-23 14:10:45,241 INFO L321 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-11-23 14:10:45,241 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 18 [2022-11-23 14:10:45,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:45,271 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-23 14:10:45,271 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1847441304] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 14:10:45,272 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [33659763] [2022-11-23 14:10:45,278 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2022-11-23 14:10:45,278 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 14:10:45,279 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 14:10:45,280 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 14:10:45,280 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 14:10:45,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:45,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:45,336 INFO L321 Elim1Store]: treesize reduction 37, result has 32.7 percent of original size [2022-11-23 14:10:45,336 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 34 [2022-11-23 14:10:45,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:45,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:45,396 INFO L321 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2022-11-23 14:10:45,396 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 39 treesize of output 53 [2022-11-23 14:10:45,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:45,428 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-11-23 14:10:45,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:45,528 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:10:45,553 INFO L321 Elim1Store]: treesize reduction 54, result has 28.0 percent of original size [2022-11-23 14:10:45,554 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 248 treesize of output 247 [2022-11-23 14:10:45,672 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 16 treesize of output 12 [2022-11-23 14:10:45,701 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:10:45,711 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-23 14:10:45,711 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 29 [2022-11-23 14:10:45,751 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:10:45,767 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-23 14:10:45,767 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 25 [2022-11-23 14:10:45,825 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:10:45,834 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-23 14:10:45,835 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 25 [2022-11-23 14:10:45,843 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 14:10:46,289 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '426#(and (= |ULTIMATE.start_main_~#dst~0#1.offset| 0) (< |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~i~0#1|) (<= 0 |ULTIMATE.start_main_~#src~0#1.base|) (= |ULTIMATE.start_main_~#src~0#1.offset| 0) (= |ULTIMATE.start_main_#t~mem6#1| (select (select |#memory_int| |ULTIMATE.start_main_~#dst~0#1.base|) (+ |ULTIMATE.start_main_~#dst~0#1.offset| (* |ULTIMATE.start_main_~x~0#1| 4)))) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (= |ULTIMATE.start_main_#t~mem7#1| (select (select |#memory_int| |ULTIMATE.start_main_~#src~0#1.base|) (+ |ULTIMATE.start_main_~#src~0#1.offset| (* |ULTIMATE.start_main_~x~0#1| 4)))) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| (ite (= |ULTIMATE.start_main_#t~mem7#1| |ULTIMATE.start_main_#t~mem6#1|) 1 0)) (<= 0 |ULTIMATE.start_main_~#dst~0#1.base|) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= 100000 |ULTIMATE.start_main_~j~0#1|) (= |#NULL.offset| 0) (= |ULTIMATE.start_main_~x~0#1| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-11-23 14:10:46,290 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-23 14:10:46,290 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 14:10:46,290 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 14 [2022-11-23 14:10:46,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690263302] [2022-11-23 14:10:46,290 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 14:10:46,291 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-11-23 14:10:46,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:10:46,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-11-23 14:10:46,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=356, Unknown=0, NotChecked=0, Total=420 [2022-11-23 14:10:46,292 INFO L87 Difference]: Start difference. First operand 16 states and 18 transitions. Second operand has 15 states, 15 states have (on average 2.2) internal successors, (33), 14 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:10:46,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:10:46,522 INFO L93 Difference]: Finished difference Result 31 states and 36 transitions. [2022-11-23 14:10:46,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-23 14:10:46,523 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.2) internal successors, (33), 14 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-11-23 14:10:46,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:10:46,523 INFO L225 Difference]: With dead ends: 31 [2022-11-23 14:10:46,523 INFO L226 Difference]: Without dead ends: 21 [2022-11-23 14:10:46,524 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=131, Invalid=681, Unknown=0, NotChecked=0, Total=812 [2022-11-23 14:10:46,525 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 29 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 14:10:46,525 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 27 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 14:10:46,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2022-11-23 14:10:46,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 19. [2022-11-23 14:10:46,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 18 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:10:46,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 21 transitions. [2022-11-23 14:10:46,531 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 21 transitions. Word has length 14 [2022-11-23 14:10:46,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:10:46,531 INFO L495 AbstractCegarLoop]: Abstraction has 19 states and 21 transitions. [2022-11-23 14:10:46,531 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.2) internal successors, (33), 14 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:10:46,531 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2022-11-23 14:10:46,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-23 14:10:46,532 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:10:46,532 INFO L195 NwaCegarLoop]: trace histogram [5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:10:46,542 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06db9ab4-834c-4c20-9fcd-0946096afe7c/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-23 14:10:46,732 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06db9ab4-834c-4c20-9fcd-0946096afe7c/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:10:46,733 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:10:46,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:10:46,733 INFO L85 PathProgramCache]: Analyzing trace with hash -1675846128, now seen corresponding path program 1 times [2022-11-23 14:10:46,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:10:46,734 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722142342] [2022-11-23 14:10:46,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:10:46,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:10:46,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:10:46,919 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-23 14:10:46,919 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:10:46,919 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722142342] [2022-11-23 14:10:46,919 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1722142342] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 14:10:46,919 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1272661303] [2022-11-23 14:10:46,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:10:46,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:10:46,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06db9ab4-834c-4c20-9fcd-0946096afe7c/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:10:46,921 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06db9ab4-834c-4c20-9fcd-0946096afe7c/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:10:46,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06db9ab4-834c-4c20-9fcd-0946096afe7c/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-23 14:10:46,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:10:46,996 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-23 14:10:46,997 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:10:47,014 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-23 14:10:47,014 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:10:47,090 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-23 14:10:47,090 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1272661303] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 14:10:47,090 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1252651237] [2022-11-23 14:10:47,092 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2022-11-23 14:10:47,092 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 14:10:47,092 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 14:10:47,093 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 14:10:47,093 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 14:10:47,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:47,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:47,146 INFO L321 Elim1Store]: treesize reduction 37, result has 32.7 percent of original size [2022-11-23 14:10:47,146 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 34 [2022-11-23 14:10:47,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:47,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:47,202 INFO L321 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2022-11-23 14:10:47,203 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 39 treesize of output 53 [2022-11-23 14:10:47,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:47,232 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 33 [2022-11-23 14:10:47,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:47,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:47,312 INFO L321 Elim1Store]: treesize reduction 49, result has 12.5 percent of original size [2022-11-23 14:10:47,312 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 258 treesize of output 246 [2022-11-23 14:10:47,371 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 16 treesize of output 12 [2022-11-23 14:10:47,407 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:10:47,416 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-23 14:10:47,417 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 29 [2022-11-23 14:10:47,449 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:10:47,459 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-23 14:10:47,459 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 25 [2022-11-23 14:10:47,683 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:10:47,692 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-23 14:10:47,693 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 25 [2022-11-23 14:10:47,699 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 14:10:48,493 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '639#(and (< |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~i~0#1|) (= |ULTIMATE.start_main_#t~mem6#1| (select (select |#memory_int| |ULTIMATE.start_main_~#dst~0#1.base|) (+ |ULTIMATE.start_main_~#dst~0#1.offset| (* |ULTIMATE.start_main_~x~0#1| 4)))) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (= |ULTIMATE.start_main_#t~mem7#1| (select (select |#memory_int| |ULTIMATE.start_main_~#src~0#1.base|) (+ |ULTIMATE.start_main_~#src~0#1.offset| (* |ULTIMATE.start_main_~x~0#1| 4)))) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| (ite (= |ULTIMATE.start_main_#t~mem7#1| |ULTIMATE.start_main_#t~mem6#1|) 1 0)) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (or (and (= |ULTIMATE.start_main_~#dst~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#src~0#1.base|) (= |ULTIMATE.start_main_~#src~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#dst~0#1.base|) (<= 100000 |ULTIMATE.start_main_~j~0#1|) (= |#NULL.offset| 0) (= |ULTIMATE.start_main_~x~0#1| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0)) (and (= |ULTIMATE.start_main_~#dst~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#src~0#1.base|) (= |ULTIMATE.start_main_~#src~0#1.offset| 0) (<= 1 |ULTIMATE.start_main_~x~0#1|) (<= 0 |ULTIMATE.start_main_~#dst~0#1.base|) (<= 100000 |ULTIMATE.start_main_~j~0#1|) (= |#NULL.offset| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))))' at error location [2022-11-23 14:10:48,493 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-23 14:10:48,493 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 14:10:48,493 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 14 [2022-11-23 14:10:48,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413991331] [2022-11-23 14:10:48,494 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 14:10:48,494 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-11-23 14:10:48,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:10:48,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-11-23 14:10:48,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=130, Invalid=332, Unknown=0, NotChecked=0, Total=462 [2022-11-23 14:10:48,495 INFO L87 Difference]: Start difference. First operand 19 states and 21 transitions. Second operand has 15 states, 15 states have (on average 1.6666666666666667) internal successors, (25), 14 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:10:48,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:10:48,543 INFO L93 Difference]: Finished difference Result 38 states and 48 transitions. [2022-11-23 14:10:48,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-23 14:10:48,544 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 1.6666666666666667) internal successors, (25), 14 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-11-23 14:10:48,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:10:48,544 INFO L225 Difference]: With dead ends: 38 [2022-11-23 14:10:48,545 INFO L226 Difference]: Without dead ends: 26 [2022-11-23 14:10:48,545 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=130, Invalid=332, Unknown=0, NotChecked=0, Total=462 [2022-11-23 14:10:48,546 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 0 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 14:10:48,546 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 42 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 14:10:48,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2022-11-23 14:10:48,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2022-11-23 14:10:48,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 25 states have (on average 1.12) internal successors, (28), 25 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:10:48,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 28 transitions. [2022-11-23 14:10:48,557 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 28 transitions. Word has length 18 [2022-11-23 14:10:48,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:10:48,557 INFO L495 AbstractCegarLoop]: Abstraction has 26 states and 28 transitions. [2022-11-23 14:10:48,558 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 1.6666666666666667) internal successors, (25), 14 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:10:48,558 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 28 transitions. [2022-11-23 14:10:48,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-23 14:10:48,558 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:10:48,558 INFO L195 NwaCegarLoop]: trace histogram [12, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:10:48,567 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06db9ab4-834c-4c20-9fcd-0946096afe7c/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-11-23 14:10:48,764 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06db9ab4-834c-4c20-9fcd-0946096afe7c/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:10:48,764 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:10:48,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:10:48,764 INFO L85 PathProgramCache]: Analyzing trace with hash -1957214079, now seen corresponding path program 2 times [2022-11-23 14:10:48,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:10:48,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684956012] [2022-11-23 14:10:48,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:10:48,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:10:48,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:10:49,068 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-23 14:10:49,068 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:10:49,068 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684956012] [2022-11-23 14:10:49,068 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [684956012] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 14:10:49,069 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [310191011] [2022-11-23 14:10:49,069 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-23 14:10:49,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:10:49,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06db9ab4-834c-4c20-9fcd-0946096afe7c/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:10:49,070 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06db9ab4-834c-4c20-9fcd-0946096afe7c/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:10:49,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06db9ab4-834c-4c20-9fcd-0946096afe7c/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-23 14:10:49,163 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-11-23 14:10:49,163 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-23 14:10:49,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-23 14:10:49,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:10:49,255 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2022-11-23 14:10:49,255 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:10:49,332 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2022-11-23 14:10:49,333 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [310191011] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 14:10:49,333 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1502022447] [2022-11-23 14:10:49,335 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2022-11-23 14:10:49,335 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 14:10:49,335 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 14:10:49,335 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 14:10:49,335 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 14:10:49,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:49,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:49,380 INFO L321 Elim1Store]: treesize reduction 37, result has 32.7 percent of original size [2022-11-23 14:10:49,380 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 34 [2022-11-23 14:10:49,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:49,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:49,432 INFO L321 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2022-11-23 14:10:49,432 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 39 treesize of output 53 [2022-11-23 14:10:49,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:49,458 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-11-23 14:10:49,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:49,515 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:10:49,540 INFO L321 Elim1Store]: treesize reduction 54, result has 28.0 percent of original size [2022-11-23 14:10:49,540 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 248 treesize of output 247 [2022-11-23 14:10:49,637 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 16 treesize of output 12 [2022-11-23 14:10:49,670 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-23 14:10:49,671 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 19 [2022-11-23 14:10:49,700 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:10:49,711 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-23 14:10:49,712 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 25 [2022-11-23 14:10:49,927 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:10:49,937 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-23 14:10:49,937 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 25 [2022-11-23 14:10:49,943 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 14:10:50,726 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '913#(and (< |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~i~0#1|) (= |ULTIMATE.start_main_#t~mem6#1| (select (select |#memory_int| |ULTIMATE.start_main_~#dst~0#1.base|) (+ |ULTIMATE.start_main_~#dst~0#1.offset| (* |ULTIMATE.start_main_~x~0#1| 4)))) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (= |ULTIMATE.start_main_#t~mem7#1| (select (select |#memory_int| |ULTIMATE.start_main_~#src~0#1.base|) (+ |ULTIMATE.start_main_~#src~0#1.offset| (* |ULTIMATE.start_main_~x~0#1| 4)))) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| (ite (= |ULTIMATE.start_main_#t~mem7#1| |ULTIMATE.start_main_#t~mem6#1|) 1 0)) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (or (and (= |ULTIMATE.start_main_~#dst~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#src~0#1.base|) (= |ULTIMATE.start_main_~#src~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#dst~0#1.base|) (<= 100000 |ULTIMATE.start_main_~j~0#1|) (= |#NULL.offset| 0) (= |ULTIMATE.start_main_~x~0#1| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0)) (and (= |ULTIMATE.start_main_~#dst~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#src~0#1.base|) (= |ULTIMATE.start_main_~#src~0#1.offset| 0) (<= 1 |ULTIMATE.start_main_~x~0#1|) (<= 0 |ULTIMATE.start_main_~#dst~0#1.base|) (<= 100000 |ULTIMATE.start_main_~j~0#1|) (= |#NULL.offset| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))))' at error location [2022-11-23 14:10:50,726 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-23 14:10:50,726 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 14:10:50,726 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 5, 5] total 20 [2022-11-23 14:10:50,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035990610] [2022-11-23 14:10:50,726 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 14:10:50,727 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-11-23 14:10:50,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:10:50,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-11-23 14:10:50,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=152, Invalid=604, Unknown=0, NotChecked=0, Total=756 [2022-11-23 14:10:50,728 INFO L87 Difference]: Start difference. First operand 26 states and 28 transitions. Second operand has 21 states, 21 states have (on average 1.9047619047619047) internal successors, (40), 20 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:10:51,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:10:51,024 INFO L93 Difference]: Finished difference Result 46 states and 51 transitions. [2022-11-23 14:10:51,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-23 14:10:51,025 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 1.9047619047619047) internal successors, (40), 20 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2022-11-23 14:10:51,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:10:51,026 INFO L225 Difference]: With dead ends: 46 [2022-11-23 14:10:51,026 INFO L226 Difference]: Without dead ends: 29 [2022-11-23 14:10:51,027 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 59 SyntacticMatches, 2 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 365 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=373, Invalid=1267, Unknown=0, NotChecked=0, Total=1640 [2022-11-23 14:10:51,028 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 18 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 14:10:51,028 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 51 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 14:10:51,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2022-11-23 14:10:51,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2022-11-23 14:10:51,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 28 states have (on average 1.1071428571428572) internal successors, (31), 28 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:10:51,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 31 transitions. [2022-11-23 14:10:51,035 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 31 transitions. Word has length 25 [2022-11-23 14:10:51,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:10:51,036 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 31 transitions. [2022-11-23 14:10:51,036 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 1.9047619047619047) internal successors, (40), 20 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:10:51,036 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 31 transitions. [2022-11-23 14:10:51,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-23 14:10:51,036 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:10:51,036 INFO L195 NwaCegarLoop]: trace histogram [13, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:10:51,051 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06db9ab4-834c-4c20-9fcd-0946096afe7c/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-23 14:10:51,251 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06db9ab4-834c-4c20-9fcd-0946096afe7c/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:10:51,252 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:10:51,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:10:51,252 INFO L85 PathProgramCache]: Analyzing trace with hash 1673003798, now seen corresponding path program 3 times [2022-11-23 14:10:51,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:10:51,253 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456751268] [2022-11-23 14:10:51,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:10:51,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:10:51,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:10:51,552 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-23 14:10:51,552 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:10:51,552 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456751268] [2022-11-23 14:10:51,552 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456751268] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 14:10:51,552 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1991677667] [2022-11-23 14:10:51,553 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-23 14:10:51,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:10:51,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06db9ab4-834c-4c20-9fcd-0946096afe7c/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:10:51,554 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06db9ab4-834c-4c20-9fcd-0946096afe7c/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:10:51,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06db9ab4-834c-4c20-9fcd-0946096afe7c/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-23 14:10:51,662 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-23 14:10:51,662 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-23 14:10:51,664 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 15 conjunts are in the unsatisfiable core [2022-11-23 14:10:51,665 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:10:51,703 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-23 14:10:51,703 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:10:52,029 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-23 14:10:52,029 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1991677667] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 14:10:52,029 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1391493447] [2022-11-23 14:10:52,031 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2022-11-23 14:10:52,031 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 14:10:52,032 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 14:10:52,032 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 14:10:52,032 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 14:10:52,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:52,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:52,078 INFO L321 Elim1Store]: treesize reduction 37, result has 32.7 percent of original size [2022-11-23 14:10:52,079 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 34 [2022-11-23 14:10:52,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:52,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:52,128 INFO L321 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2022-11-23 14:10:52,129 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 39 treesize of output 53 [2022-11-23 14:10:52,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:52,154 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 33 [2022-11-23 14:10:52,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:52,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:52,244 INFO L321 Elim1Store]: treesize reduction 49, result has 12.5 percent of original size [2022-11-23 14:10:52,245 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 258 treesize of output 246 [2022-11-23 14:10:52,301 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 16 treesize of output 12 [2022-11-23 14:10:52,329 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:10:52,338 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-23 14:10:52,338 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 29 [2022-11-23 14:10:52,364 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:10:52,373 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-23 14:10:52,374 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 25 [2022-11-23 14:10:52,592 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:10:52,602 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-23 14:10:52,602 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 25 [2022-11-23 14:10:52,612 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 14:10:53,368 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1258#(and (< |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~i~0#1|) (= |ULTIMATE.start_main_#t~mem6#1| (select (select |#memory_int| |ULTIMATE.start_main_~#dst~0#1.base|) (+ |ULTIMATE.start_main_~#dst~0#1.offset| (* |ULTIMATE.start_main_~x~0#1| 4)))) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (= |ULTIMATE.start_main_#t~mem7#1| (select (select |#memory_int| |ULTIMATE.start_main_~#src~0#1.base|) (+ |ULTIMATE.start_main_~#src~0#1.offset| (* |ULTIMATE.start_main_~x~0#1| 4)))) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| (ite (= |ULTIMATE.start_main_#t~mem7#1| |ULTIMATE.start_main_#t~mem6#1|) 1 0)) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (or (and (= |ULTIMATE.start_main_~#dst~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#src~0#1.base|) (= |ULTIMATE.start_main_~#src~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#dst~0#1.base|) (<= 100000 |ULTIMATE.start_main_~j~0#1|) (= |#NULL.offset| 0) (= |ULTIMATE.start_main_~x~0#1| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0)) (and (= |ULTIMATE.start_main_~#dst~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#src~0#1.base|) (= |ULTIMATE.start_main_~#src~0#1.offset| 0) (<= 1 |ULTIMATE.start_main_~x~0#1|) (<= 0 |ULTIMATE.start_main_~#dst~0#1.base|) (<= 100000 |ULTIMATE.start_main_~j~0#1|) (= |#NULL.offset| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))))' at error location [2022-11-23 14:10:53,368 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-23 14:10:53,368 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 14:10:53,369 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 30 [2022-11-23 14:10:53,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780689995] [2022-11-23 14:10:53,369 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 14:10:53,370 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-11-23 14:10:53,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:10:53,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-11-23 14:10:53,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=490, Invalid=916, Unknown=0, NotChecked=0, Total=1406 [2022-11-23 14:10:53,371 INFO L87 Difference]: Start difference. First operand 29 states and 31 transitions. Second operand has 31 states, 31 states have (on average 1.3225806451612903) internal successors, (41), 30 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:10:53,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:10:53,449 INFO L93 Difference]: Finished difference Result 58 states and 76 transitions. [2022-11-23 14:10:53,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-23 14:10:53,450 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 1.3225806451612903) internal successors, (41), 30 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2022-11-23 14:10:53,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:10:53,450 INFO L225 Difference]: With dead ends: 58 [2022-11-23 14:10:53,450 INFO L226 Difference]: Without dead ends: 44 [2022-11-23 14:10:53,451 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 349 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=490, Invalid=916, Unknown=0, NotChecked=0, Total=1406 [2022-11-23 14:10:53,453 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 0 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 14:10:53,454 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 35 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 14:10:53,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2022-11-23 14:10:53,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2022-11-23 14:10:53,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 43 states have (on average 1.069767441860465) internal successors, (46), 43 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:10:53,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 46 transitions. [2022-11-23 14:10:53,464 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 46 transitions. Word has length 28 [2022-11-23 14:10:53,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:10:53,464 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 46 transitions. [2022-11-23 14:10:53,464 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 1.3225806451612903) internal successors, (41), 30 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:10:53,465 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 46 transitions. [2022-11-23 14:10:53,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-23 14:10:53,467 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:10:53,467 INFO L195 NwaCegarLoop]: trace histogram [28, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:10:53,475 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06db9ab4-834c-4c20-9fcd-0946096afe7c/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-11-23 14:10:53,673 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06db9ab4-834c-4c20-9fcd-0946096afe7c/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:10:53,674 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:10:53,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:10:53,674 INFO L85 PathProgramCache]: Analyzing trace with hash 1122167751, now seen corresponding path program 4 times [2022-11-23 14:10:53,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:10:53,674 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867267821] [2022-11-23 14:10:53,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:10:53,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:10:53,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:10:54,578 INFO L134 CoverageAnalysis]: Checked inductivity of 414 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-23 14:10:54,578 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:10:54,578 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867267821] [2022-11-23 14:10:54,578 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1867267821] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 14:10:54,578 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [150828927] [2022-11-23 14:10:54,579 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-11-23 14:10:54,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:10:54,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06db9ab4-834c-4c20-9fcd-0946096afe7c/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:10:54,588 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06db9ab4-834c-4c20-9fcd-0946096afe7c/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:10:54,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06db9ab4-834c-4c20-9fcd-0946096afe7c/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-23 14:10:54,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:10:54,728 INFO L263 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 30 conjunts are in the unsatisfiable core [2022-11-23 14:10:54,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:10:54,804 INFO L134 CoverageAnalysis]: Checked inductivity of 414 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-23 14:10:54,804 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:10:55,960 INFO L134 CoverageAnalysis]: Checked inductivity of 414 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-23 14:10:55,960 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [150828927] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 14:10:55,960 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [325116016] [2022-11-23 14:10:55,962 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2022-11-23 14:10:55,962 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 14:10:55,963 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 14:10:55,963 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 14:10:55,963 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 14:10:55,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:55,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:56,014 INFO L321 Elim1Store]: treesize reduction 37, result has 32.7 percent of original size [2022-11-23 14:10:56,014 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 34 [2022-11-23 14:10:56,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:56,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:56,068 INFO L321 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2022-11-23 14:10:56,069 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 39 treesize of output 53 [2022-11-23 14:10:56,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:56,103 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-11-23 14:10:56,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:56,171 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:10:56,195 INFO L321 Elim1Store]: treesize reduction 54, result has 28.0 percent of original size [2022-11-23 14:10:56,196 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 248 treesize of output 247 [2022-11-23 14:10:56,291 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 16 treesize of output 12 [2022-11-23 14:10:56,320 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-23 14:10:56,320 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 19 [2022-11-23 14:10:56,344 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:10:56,353 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-23 14:10:56,353 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 25 [2022-11-23 14:10:56,548 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:10:56,557 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-23 14:10:56,557 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 25 [2022-11-23 14:10:56,563 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 14:10:57,352 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1753#(and (< |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~i~0#1|) (= |ULTIMATE.start_main_#t~mem6#1| (select (select |#memory_int| |ULTIMATE.start_main_~#dst~0#1.base|) (+ |ULTIMATE.start_main_~#dst~0#1.offset| (* |ULTIMATE.start_main_~x~0#1| 4)))) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (= |ULTIMATE.start_main_#t~mem7#1| (select (select |#memory_int| |ULTIMATE.start_main_~#src~0#1.base|) (+ |ULTIMATE.start_main_~#src~0#1.offset| (* |ULTIMATE.start_main_~x~0#1| 4)))) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| (ite (= |ULTIMATE.start_main_#t~mem7#1| |ULTIMATE.start_main_#t~mem6#1|) 1 0)) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (or (and (= |ULTIMATE.start_main_~#dst~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#src~0#1.base|) (= |ULTIMATE.start_main_~#src~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#dst~0#1.base|) (<= 100000 |ULTIMATE.start_main_~j~0#1|) (= |#NULL.offset| 0) (= |ULTIMATE.start_main_~x~0#1| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0)) (and (= |ULTIMATE.start_main_~#dst~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#src~0#1.base|) (= |ULTIMATE.start_main_~#src~0#1.offset| 0) (<= 1 |ULTIMATE.start_main_~x~0#1|) (<= 0 |ULTIMATE.start_main_~#dst~0#1.base|) (<= 100000 |ULTIMATE.start_main_~j~0#1|) (= |#NULL.offset| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))))' at error location [2022-11-23 14:10:57,352 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-23 14:10:57,352 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 14:10:57,352 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 30, 30] total 60 [2022-11-23 14:10:57,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989694908] [2022-11-23 14:10:57,353 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 14:10:57,353 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 61 states [2022-11-23 14:10:57,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:10:57,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2022-11-23 14:10:57,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1855, Invalid=2701, Unknown=0, NotChecked=0, Total=4556 [2022-11-23 14:10:57,357 INFO L87 Difference]: Start difference. First operand 44 states and 46 transitions. Second operand has 61 states, 61 states have (on average 1.1639344262295082) internal successors, (71), 60 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:10:57,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:10:57,512 INFO L93 Difference]: Finished difference Result 88 states and 121 transitions. [2022-11-23 14:10:57,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-11-23 14:10:57,512 INFO L78 Accepts]: Start accepts. Automaton has has 61 states, 61 states have (on average 1.1639344262295082) internal successors, (71), 60 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 43 [2022-11-23 14:10:57,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:10:57,516 INFO L225 Difference]: With dead ends: 88 [2022-11-23 14:10:57,517 INFO L226 Difference]: Without dead ends: 74 [2022-11-23 14:10:57,518 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 724 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=1855, Invalid=2701, Unknown=0, NotChecked=0, Total=4556 [2022-11-23 14:10:57,521 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 0 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 14:10:57,521 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 35 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 14:10:57,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2022-11-23 14:10:57,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2022-11-23 14:10:57,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 73 states have (on average 1.0410958904109588) internal successors, (76), 73 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:10:57,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 76 transitions. [2022-11-23 14:10:57,551 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 76 transitions. Word has length 43 [2022-11-23 14:10:57,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:10:57,551 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 76 transitions. [2022-11-23 14:10:57,551 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 61 states, 61 states have (on average 1.1639344262295082) internal successors, (71), 60 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:10:57,552 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 76 transitions. [2022-11-23 14:10:57,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-11-23 14:10:57,555 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:10:57,556 INFO L195 NwaCegarLoop]: trace histogram [58, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:10:57,568 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06db9ab4-834c-4c20-9fcd-0946096afe7c/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-23 14:10:57,766 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06db9ab4-834c-4c20-9fcd-0946096afe7c/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:10:57,766 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:10:57,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:10:57,766 INFO L85 PathProgramCache]: Analyzing trace with hash -176371737, now seen corresponding path program 5 times [2022-11-23 14:10:57,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:10:57,767 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890233387] [2022-11-23 14:10:57,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:10:57,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:10:57,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:11:00,933 INFO L134 CoverageAnalysis]: Checked inductivity of 1719 backedges. 0 proven. 1711 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-23 14:11:00,933 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:11:00,933 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890233387] [2022-11-23 14:11:00,933 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1890233387] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 14:11:00,933 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [146021042] [2022-11-23 14:11:00,933 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-23 14:11:00,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:11:00,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06db9ab4-834c-4c20-9fcd-0946096afe7c/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:11:00,935 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06db9ab4-834c-4c20-9fcd-0946096afe7c/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:11:00,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06db9ab4-834c-4c20-9fcd-0946096afe7c/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-23 14:11:01,082 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-11-23 14:11:01,083 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-23 14:11:01,084 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 28 conjunts are in the unsatisfiable core [2022-11-23 14:11:01,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:11:01,117 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 10 treesize of output 8 [2022-11-23 14:11:01,537 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 19 [2022-11-23 14:11:01,804 INFO L134 CoverageAnalysis]: Checked inductivity of 1719 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1711 trivial. 0 not checked. [2022-11-23 14:11:01,804 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:11:02,015 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 14:11:02,016 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 92 treesize of output 88 [2022-11-23 14:11:02,067 INFO L321 Elim1Store]: treesize reduction 20, result has 39.4 percent of original size [2022-11-23 14:11:02,068 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 63 treesize of output 47 [2022-11-23 14:11:02,078 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-23 14:11:02,078 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 1 [2022-11-23 14:11:02,089 INFO L321 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-11-23 14:11:02,089 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 38 treesize of output 1 [2022-11-23 14:11:02,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:11:02,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:11:02,096 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2022-11-23 14:11:02,104 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-23 14:11:02,105 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 1 [2022-11-23 14:11:02,110 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-23 14:11:02,110 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 1 [2022-11-23 14:11:02,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:11:02,116 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 14 [2022-11-23 14:11:02,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:11:02,286 INFO L134 CoverageAnalysis]: Checked inductivity of 1719 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1711 trivial. 0 not checked. [2022-11-23 14:11:02,287 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [146021042] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 14:11:02,287 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [378287256] [2022-11-23 14:11:02,288 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2022-11-23 14:11:02,288 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 14:11:02,289 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 14:11:02,289 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 14:11:02,289 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 14:11:02,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:11:02,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:11:02,344 INFO L321 Elim1Store]: treesize reduction 37, result has 32.7 percent of original size [2022-11-23 14:11:02,344 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 34 [2022-11-23 14:11:02,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:11:02,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:11:02,396 INFO L321 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2022-11-23 14:11:02,397 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 39 treesize of output 53 [2022-11-23 14:11:02,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:11:02,430 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 33 [2022-11-23 14:11:02,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:11:02,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:11:02,511 INFO L321 Elim1Store]: treesize reduction 49, result has 12.5 percent of original size [2022-11-23 14:11:02,511 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 258 treesize of output 246 [2022-11-23 14:11:02,574 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 16 treesize of output 12 [2022-11-23 14:11:02,605 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:11:02,614 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-23 14:11:02,615 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 29 [2022-11-23 14:11:02,642 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:11:02,651 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-23 14:11:02,652 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 25 [2022-11-23 14:11:02,858 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:11:02,867 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-23 14:11:02,867 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 25 [2022-11-23 14:11:02,873 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 14:11:04,092 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '2560#(and (< |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~i~0#1|) (= |ULTIMATE.start_main_#t~mem6#1| (select (select |#memory_int| |ULTIMATE.start_main_~#dst~0#1.base|) (+ |ULTIMATE.start_main_~#dst~0#1.offset| (* |ULTIMATE.start_main_~x~0#1| 4)))) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (= |ULTIMATE.start_main_#t~mem7#1| (select (select |#memory_int| |ULTIMATE.start_main_~#src~0#1.base|) (+ |ULTIMATE.start_main_~#src~0#1.offset| (* |ULTIMATE.start_main_~x~0#1| 4)))) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| (ite (= |ULTIMATE.start_main_#t~mem7#1| |ULTIMATE.start_main_#t~mem6#1|) 1 0)) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (or (and (= |ULTIMATE.start_main_~#dst~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#src~0#1.base|) (= |ULTIMATE.start_main_~#src~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#dst~0#1.base|) (<= 100000 |ULTIMATE.start_main_~j~0#1|) (= |#NULL.offset| 0) (= |ULTIMATE.start_main_~x~0#1| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0)) (and (= |ULTIMATE.start_main_~#dst~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#src~0#1.base|) (= |ULTIMATE.start_main_~#src~0#1.offset| 0) (<= 1 |ULTIMATE.start_main_~x~0#1|) (<= 0 |ULTIMATE.start_main_~#dst~0#1.base|) (<= 100000 |ULTIMATE.start_main_~j~0#1|) (= |#NULL.offset| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))))' at error location [2022-11-23 14:11:04,092 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-23 14:11:04,092 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 14:11:04,092 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [60, 7, 7] total 72 [2022-11-23 14:11:04,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604419962] [2022-11-23 14:11:04,092 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 14:11:04,093 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 73 states [2022-11-23 14:11:04,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:11:04,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2022-11-23 14:11:04,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1890, Invalid=4430, Unknown=0, NotChecked=0, Total=6320 [2022-11-23 14:11:04,096 INFO L87 Difference]: Start difference. First operand 74 states and 76 transitions. Second operand has 73 states, 73 states have (on average 1.356164383561644) internal successors, (99), 72 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:11:07,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:11:07,229 INFO L93 Difference]: Finished difference Result 94 states and 99 transitions. [2022-11-23 14:11:07,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2022-11-23 14:11:07,230 INFO L78 Accepts]: Start accepts. Automaton has has 73 states, 73 states have (on average 1.356164383561644) internal successors, (99), 72 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2022-11-23 14:11:07,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:11:07,230 INFO L225 Difference]: With dead ends: 94 [2022-11-23 14:11:07,231 INFO L226 Difference]: Without dead ends: 80 [2022-11-23 14:11:07,238 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 341 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 142 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3526 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=5646, Invalid=14946, Unknown=0, NotChecked=0, Total=20592 [2022-11-23 14:11:07,239 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 21 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-23 14:11:07,239 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 53 Invalid, 232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-23 14:11:07,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2022-11-23 14:11:07,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 78. [2022-11-23 14:11:07,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 77 states have (on average 1.0389610389610389) internal successors, (80), 77 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:11:07,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 80 transitions. [2022-11-23 14:11:07,257 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 80 transitions. Word has length 73 [2022-11-23 14:11:07,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:11:07,258 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 80 transitions. [2022-11-23 14:11:07,258 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 73 states, 73 states have (on average 1.356164383561644) internal successors, (99), 72 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:11:07,258 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 80 transitions. [2022-11-23 14:11:07,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-11-23 14:11:07,259 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:11:07,259 INFO L195 NwaCegarLoop]: trace histogram [59, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2022-11-23 14:11:07,275 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06db9ab4-834c-4c20-9fcd-0946096afe7c/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-23 14:11:07,467 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06db9ab4-834c-4c20-9fcd-0946096afe7c/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-23 14:11:07,468 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:11:07,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:11:07,468 INFO L85 PathProgramCache]: Analyzing trace with hash -2105543894, now seen corresponding path program 6 times [2022-11-23 14:11:07,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:11:07,468 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445789135] [2022-11-23 14:11:07,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:11:07,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:11:07,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:11:10,337 INFO L134 CoverageAnalysis]: Checked inductivity of 1783 backedges. 0 proven. 1770 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-23 14:11:10,338 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:11:10,338 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445789135] [2022-11-23 14:11:10,338 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [445789135] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 14:11:10,338 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1999886033] [2022-11-23 14:11:10,338 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-23 14:11:10,338 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:11:10,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06db9ab4-834c-4c20-9fcd-0946096afe7c/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:11:10,339 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06db9ab4-834c-4c20-9fcd-0946096afe7c/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:11:10,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06db9ab4-834c-4c20-9fcd-0946096afe7c/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-23 14:11:10,540 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-23 14:11:10,540 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-23 14:11:10,543 INFO L263 TraceCheckSpWp]: Trace formula consists of 640 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-23 14:11:10,545 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:11:10,880 INFO L134 CoverageAnalysis]: Checked inductivity of 1783 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2022-11-23 14:11:10,880 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:11:11,172 INFO L134 CoverageAnalysis]: Checked inductivity of 1783 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2022-11-23 14:11:11,173 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1999886033] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 14:11:11,173 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1375363487] [2022-11-23 14:11:11,176 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2022-11-23 14:11:11,177 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 14:11:11,177 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 14:11:11,177 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 14:11:11,177 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 14:11:11,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:11:11,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:11:11,234 INFO L321 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2022-11-23 14:11:11,235 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 39 treesize of output 53 [2022-11-23 14:11:11,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:11:11,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:11:11,248 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 27 [2022-11-23 14:11:11,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:11:11,271 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-11-23 14:11:11,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:11:11,323 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:11:11,347 INFO L321 Elim1Store]: treesize reduction 54, result has 28.0 percent of original size [2022-11-23 14:11:11,348 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 248 treesize of output 247 [2022-11-23 14:11:11,447 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 16 treesize of output 12 [2022-11-23 14:11:11,476 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-23 14:11:11,477 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 19 [2022-11-23 14:11:11,499 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:11:11,508 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-23 14:11:11,509 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 25 [2022-11-23 14:11:11,671 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:11:11,679 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-23 14:11:11,680 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 25 [2022-11-23 14:11:11,687 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 14:11:12,726 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '3532#(and (< |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~i~0#1|) (= |ULTIMATE.start_main_#t~mem6#1| (select (select |#memory_int| |ULTIMATE.start_main_~#dst~0#1.base|) (+ |ULTIMATE.start_main_~#dst~0#1.offset| (* |ULTIMATE.start_main_~x~0#1| 4)))) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (= |ULTIMATE.start_main_#t~mem7#1| (select (select |#memory_int| |ULTIMATE.start_main_~#src~0#1.base|) (+ |ULTIMATE.start_main_~#src~0#1.offset| (* |ULTIMATE.start_main_~x~0#1| 4)))) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| (ite (= |ULTIMATE.start_main_#t~mem7#1| |ULTIMATE.start_main_#t~mem6#1|) 1 0)) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (or (and (= |ULTIMATE.start_main_~#dst~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#src~0#1.base|) (= |ULTIMATE.start_main_~#src~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#dst~0#1.base|) (<= 100000 |ULTIMATE.start_main_~j~0#1|) (= |#NULL.offset| 0) (= |ULTIMATE.start_main_~x~0#1| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0)) (and (= |ULTIMATE.start_main_~#dst~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#src~0#1.base|) (= |ULTIMATE.start_main_~#src~0#1.offset| 0) (<= 1 |ULTIMATE.start_main_~x~0#1|) (<= 0 |ULTIMATE.start_main_~#dst~0#1.base|) (<= 100000 |ULTIMATE.start_main_~j~0#1|) (= |#NULL.offset| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))))' at error location [2022-11-23 14:11:12,726 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-23 14:11:12,726 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 14:11:12,727 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [61, 7, 7] total 70 [2022-11-23 14:11:12,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876652110] [2022-11-23 14:11:12,727 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 14:11:12,727 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 71 states [2022-11-23 14:11:12,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:11:12,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2022-11-23 14:11:12,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1955, Invalid=4051, Unknown=0, NotChecked=0, Total=6006 [2022-11-23 14:11:12,731 INFO L87 Difference]: Start difference. First operand 78 states and 80 transitions. Second operand has 71 states, 71 states have (on average 1.3380281690140845) internal successors, (95), 70 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:11:15,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:11:15,128 INFO L93 Difference]: Finished difference Result 106 states and 111 transitions. [2022-11-23 14:11:15,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-11-23 14:11:15,129 INFO L78 Accepts]: Start accepts. Automaton has has 71 states, 71 states have (on average 1.3380281690140845) internal successors, (95), 70 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2022-11-23 14:11:15,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:11:15,130 INFO L225 Difference]: With dead ends: 106 [2022-11-23 14:11:15,130 INFO L226 Difference]: Without dead ends: 81 [2022-11-23 14:11:15,134 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 350 GetRequests, 211 SyntacticMatches, 3 SemanticMatches, 136 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3286 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=5855, Invalid=13051, Unknown=0, NotChecked=0, Total=18906 [2022-11-23 14:11:15,134 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 127 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 14:11:15,135 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 43 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 14:11:15,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2022-11-23 14:11:15,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2022-11-23 14:11:15,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 80 states have (on average 1.0375) internal successors, (83), 80 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:11:15,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 83 transitions. [2022-11-23 14:11:15,153 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 83 transitions. Word has length 77 [2022-11-23 14:11:15,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:11:15,153 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 83 transitions. [2022-11-23 14:11:15,154 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 71 states, 71 states have (on average 1.3380281690140845) internal successors, (95), 70 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:11:15,154 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 83 transitions. [2022-11-23 14:11:15,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-11-23 14:11:15,155 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:11:15,155 INFO L195 NwaCegarLoop]: trace histogram [60, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1] [2022-11-23 14:11:15,166 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06db9ab4-834c-4c20-9fcd-0946096afe7c/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-23 14:11:15,366 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06db9ab4-834c-4c20-9fcd-0946096afe7c/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:11:15,366 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:11:15,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:11:15,367 INFO L85 PathProgramCache]: Analyzing trace with hash 716402483, now seen corresponding path program 7 times [2022-11-23 14:11:15,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:11:15,367 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119590826] [2022-11-23 14:11:15,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:11:15,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:11:15,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:11:18,184 INFO L134 CoverageAnalysis]: Checked inductivity of 1849 backedges. 0 proven. 1830 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-11-23 14:11:18,185 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:11:18,185 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119590826] [2022-11-23 14:11:18,185 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2119590826] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 14:11:18,185 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1964508696] [2022-11-23 14:11:18,185 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-11-23 14:11:18,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:11:18,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06db9ab4-834c-4c20-9fcd-0946096afe7c/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:11:18,192 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06db9ab4-834c-4c20-9fcd-0946096afe7c/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:11:18,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06db9ab4-834c-4c20-9fcd-0946096afe7c/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-23 14:11:18,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:11:18,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 658 conjuncts, 62 conjunts are in the unsatisfiable core [2022-11-23 14:11:18,449 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:11:18,581 INFO L134 CoverageAnalysis]: Checked inductivity of 1849 backedges. 0 proven. 1830 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-11-23 14:11:18,581 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:11:23,030 INFO L134 CoverageAnalysis]: Checked inductivity of 1849 backedges. 0 proven. 1830 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-11-23 14:11:23,030 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1964508696] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 14:11:23,030 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [654340148] [2022-11-23 14:11:23,032 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2022-11-23 14:11:23,032 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 14:11:23,032 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 14:11:23,032 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 14:11:23,032 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 14:11:23,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:11:23,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:11:23,092 INFO L321 Elim1Store]: treesize reduction 37, result has 32.7 percent of original size [2022-11-23 14:11:23,092 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 34 [2022-11-23 14:11:23,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:11:23,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:11:23,139 INFO L321 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2022-11-23 14:11:23,140 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 39 treesize of output 53 [2022-11-23 14:11:23,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:11:23,165 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 33 [2022-11-23 14:11:23,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:11:23,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:11:23,236 INFO L321 Elim1Store]: treesize reduction 49, result has 12.5 percent of original size [2022-11-23 14:11:23,236 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 258 treesize of output 246 [2022-11-23 14:11:23,288 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 16 treesize of output 12 [2022-11-23 14:11:23,327 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-23 14:11:23,327 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 19 [2022-11-23 14:11:23,352 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:11:23,361 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-23 14:11:23,362 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 25 [2022-11-23 14:11:23,527 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:11:23,536 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-23 14:11:23,536 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 25 [2022-11-23 14:11:23,541 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 14:11:24,574 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '4590#(and (< |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~i~0#1|) (= |ULTIMATE.start_main_#t~mem6#1| (select (select |#memory_int| |ULTIMATE.start_main_~#dst~0#1.base|) (+ |ULTIMATE.start_main_~#dst~0#1.offset| (* |ULTIMATE.start_main_~x~0#1| 4)))) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (= |ULTIMATE.start_main_#t~mem7#1| (select (select |#memory_int| |ULTIMATE.start_main_~#src~0#1.base|) (+ |ULTIMATE.start_main_~#src~0#1.offset| (* |ULTIMATE.start_main_~x~0#1| 4)))) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| (ite (= |ULTIMATE.start_main_#t~mem7#1| |ULTIMATE.start_main_#t~mem6#1|) 1 0)) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (or (and (= |ULTIMATE.start_main_~#dst~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#src~0#1.base|) (= |ULTIMATE.start_main_~#src~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#dst~0#1.base|) (<= 100000 |ULTIMATE.start_main_~j~0#1|) (= |#NULL.offset| 0) (= |ULTIMATE.start_main_~x~0#1| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0)) (and (= |ULTIMATE.start_main_~#dst~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#src~0#1.base|) (= |ULTIMATE.start_main_~#src~0#1.offset| 0) (<= 1 |ULTIMATE.start_main_~x~0#1|) (<= 0 |ULTIMATE.start_main_~#dst~0#1.base|) (<= 100000 |ULTIMATE.start_main_~j~0#1|) (= |#NULL.offset| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))))' at error location [2022-11-23 14:11:24,574 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-23 14:11:24,574 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 14:11:24,574 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [62, 62, 62] total 124 [2022-11-23 14:11:24,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615140142] [2022-11-23 14:11:24,575 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 14:11:24,575 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 125 states [2022-11-23 14:11:24,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:11:24,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 125 interpolants. [2022-11-23 14:11:24,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7775, Invalid=9517, Unknown=0, NotChecked=0, Total=17292 [2022-11-23 14:11:24,578 INFO L87 Difference]: Start difference. First operand 81 states and 83 transitions. Second operand has 125 states, 125 states have (on average 1.08) internal successors, (135), 124 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:11:24,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:11:24,844 INFO L93 Difference]: Finished difference Result 162 states and 227 transitions. [2022-11-23 14:11:24,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2022-11-23 14:11:24,845 INFO L78 Accepts]: Start accepts. Automaton has has 125 states, 125 states have (on average 1.08) internal successors, (135), 124 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2022-11-23 14:11:24,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:11:24,846 INFO L225 Difference]: With dead ends: 162 [2022-11-23 14:11:24,846 INFO L226 Difference]: Without dead ends: 143 [2022-11-23 14:11:24,847 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 300 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 130 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1524 ImplicationChecksByTransitivity, 6.9s TimeCoverageRelationStatistics Valid=7775, Invalid=9517, Unknown=0, NotChecked=0, Total=17292 [2022-11-23 14:11:24,848 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 0 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 14:11:24,848 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 28 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 14:11:24,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2022-11-23 14:11:24,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2022-11-23 14:11:24,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 142 states have (on average 1.0211267605633803) internal successors, (145), 142 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:11:24,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 145 transitions. [2022-11-23 14:11:24,878 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 145 transitions. Word has length 80 [2022-11-23 14:11:24,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:11:24,879 INFO L495 AbstractCegarLoop]: Abstraction has 143 states and 145 transitions. [2022-11-23 14:11:24,879 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 125 states, 125 states have (on average 1.08) internal successors, (135), 124 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:11:24,879 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 145 transitions. [2022-11-23 14:11:24,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2022-11-23 14:11:24,881 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:11:24,881 INFO L195 NwaCegarLoop]: trace histogram [122, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1] [2022-11-23 14:11:24,887 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06db9ab4-834c-4c20-9fcd-0946096afe7c/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-11-23 14:11:25,087 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06db9ab4-834c-4c20-9fcd-0946096afe7c/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-11-23 14:11:25,087 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:11:25,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:11:25,087 INFO L85 PathProgramCache]: Analyzing trace with hash -582645485, now seen corresponding path program 8 times [2022-11-23 14:11:25,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:11:25,088 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58910916] [2022-11-23 14:11:25,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:11:25,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:11:25,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:11:34,801 INFO L134 CoverageAnalysis]: Checked inductivity of 7522 backedges. 0 proven. 7503 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-11-23 14:11:34,801 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:11:34,802 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58910916] [2022-11-23 14:11:34,802 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [58910916] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 14:11:34,802 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1724781727] [2022-11-23 14:11:34,802 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-23 14:11:34,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:11:34,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06db9ab4-834c-4c20-9fcd-0946096afe7c/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:11:34,803 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06db9ab4-834c-4c20-9fcd-0946096afe7c/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:11:34,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06db9ab4-834c-4c20-9fcd-0946096afe7c/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-11-23 14:11:35,040 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-11-23 14:11:35,040 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-23 14:11:35,042 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 41 conjunts are in the unsatisfiable core [2022-11-23 14:11:35,045 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:11:35,056 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 10 treesize of output 8 [2022-11-23 14:11:36,183 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 19 [2022-11-23 14:11:36,855 INFO L134 CoverageAnalysis]: Checked inductivity of 7522 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 7503 trivial. 0 not checked. [2022-11-23 14:11:36,855 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:11:37,466 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 14:11:37,466 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 92 treesize of output 88 [2022-11-23 14:11:37,493 INFO L321 Elim1Store]: treesize reduction 10, result has 69.7 percent of original size [2022-11-23 14:11:37,494 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 94 treesize of output 88 [2022-11-23 14:11:37,529 INFO L321 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-11-23 14:11:37,529 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 20 [2022-11-23 14:11:39,409 INFO L134 CoverageAnalysis]: Checked inductivity of 7522 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 7503 trivial. 0 not checked. [2022-11-23 14:11:39,409 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1724781727] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 14:11:39,410 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2065508208] [2022-11-23 14:11:39,411 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2022-11-23 14:11:39,411 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 14:11:39,412 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 14:11:39,412 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 14:11:39,412 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 14:11:39,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:11:39,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:11:39,460 INFO L321 Elim1Store]: treesize reduction 37, result has 32.7 percent of original size [2022-11-23 14:11:39,460 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 34 [2022-11-23 14:11:39,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:11:39,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:11:39,506 INFO L321 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2022-11-23 14:11:39,506 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 39 treesize of output 53 [2022-11-23 14:11:39,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:11:39,533 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 33 [2022-11-23 14:11:39,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:11:39,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:11:39,612 INFO L321 Elim1Store]: treesize reduction 49, result has 12.5 percent of original size [2022-11-23 14:11:39,613 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 258 treesize of output 246 [2022-11-23 14:11:39,671 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 16 treesize of output 12 [2022-11-23 14:11:39,713 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-23 14:11:39,713 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 19 [2022-11-23 14:11:39,738 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:11:39,748 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-23 14:11:39,748 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 25 [2022-11-23 14:11:39,894 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:11:39,902 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-23 14:11:39,903 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 25 [2022-11-23 14:11:39,907 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 14:11:41,446 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '6158#(and (< |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~i~0#1|) (= |ULTIMATE.start_main_#t~mem6#1| (select (select |#memory_int| |ULTIMATE.start_main_~#dst~0#1.base|) (+ |ULTIMATE.start_main_~#dst~0#1.offset| (* |ULTIMATE.start_main_~x~0#1| 4)))) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (= |ULTIMATE.start_main_#t~mem7#1| (select (select |#memory_int| |ULTIMATE.start_main_~#src~0#1.base|) (+ |ULTIMATE.start_main_~#src~0#1.offset| (* |ULTIMATE.start_main_~x~0#1| 4)))) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| (ite (= |ULTIMATE.start_main_#t~mem7#1| |ULTIMATE.start_main_#t~mem6#1|) 1 0)) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (or (and (= |ULTIMATE.start_main_~#dst~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#src~0#1.base|) (= |ULTIMATE.start_main_~#src~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#dst~0#1.base|) (<= 100000 |ULTIMATE.start_main_~j~0#1|) (= |#NULL.offset| 0) (= |ULTIMATE.start_main_~x~0#1| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0)) (and (= |ULTIMATE.start_main_~#dst~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#src~0#1.base|) (= |ULTIMATE.start_main_~#src~0#1.offset| 0) (<= 1 |ULTIMATE.start_main_~x~0#1|) (<= 0 |ULTIMATE.start_main_~#dst~0#1.base|) (<= 100000 |ULTIMATE.start_main_~j~0#1|) (= |#NULL.offset| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))))' at error location [2022-11-23 14:11:41,446 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-23 14:11:41,446 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 14:11:41,446 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [124, 10, 10] total 142 [2022-11-23 14:11:41,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831061634] [2022-11-23 14:11:41,447 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 14:11:41,447 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 143 states [2022-11-23 14:11:41,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:11:41,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 143 interpolants. [2022-11-23 14:11:41,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7854, Invalid=14496, Unknown=0, NotChecked=0, Total=22350 [2022-11-23 14:11:41,452 INFO L87 Difference]: Start difference. First operand 143 states and 145 transitions. Second operand has 143 states, 143 states have (on average 1.2097902097902098) internal successors, (173), 142 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:11:54,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:11:54,155 INFO L93 Difference]: Finished difference Result 208 states and 219 transitions. [2022-11-23 14:11:54,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 155 states. [2022-11-23 14:11:54,156 INFO L78 Accepts]: Start accepts. Automaton has has 143 states, 143 states have (on average 1.2097902097902098) internal successors, (173), 142 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 142 [2022-11-23 14:11:54,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:11:54,158 INFO L225 Difference]: With dead ends: 208 [2022-11-23 14:11:54,158 INFO L226 Difference]: Without dead ends: 189 [2022-11-23 14:11:54,163 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 691 GetRequests, 400 SyntacticMatches, 0 SemanticMatches, 291 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14563 ImplicationChecksByTransitivity, 21.1s TimeCoverageRelationStatistics Valid=24090, Invalid=61466, Unknown=0, NotChecked=0, Total=85556 [2022-11-23 14:11:54,163 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 314 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 502 mSolverCounterSat, 146 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 314 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 648 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 146 IncrementalHoareTripleChecker+Valid, 502 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-23 14:11:54,163 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [314 Valid, 155 Invalid, 648 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [146 Valid, 502 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-23 14:11:54,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2022-11-23 14:11:54,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 162. [2022-11-23 14:11:54,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 161 states have (on average 1.031055900621118) internal successors, (166), 161 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:11:54,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 166 transitions. [2022-11-23 14:11:54,196 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 166 transitions. Word has length 142 [2022-11-23 14:11:54,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:11:54,197 INFO L495 AbstractCegarLoop]: Abstraction has 162 states and 166 transitions. [2022-11-23 14:11:54,197 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 143 states, 143 states have (on average 1.2097902097902098) internal successors, (173), 142 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:11:54,197 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 166 transitions. [2022-11-23 14:11:54,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-11-23 14:11:54,199 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:11:54,199 INFO L195 NwaCegarLoop]: trace histogram [123, 6, 5, 3, 2, 2, 1, 1, 1, 1, 1, 1] [2022-11-23 14:11:54,211 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06db9ab4-834c-4c20-9fcd-0946096afe7c/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-11-23 14:11:54,411 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06db9ab4-834c-4c20-9fcd-0946096afe7c/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:11:54,411 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:11:54,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:11:54,412 INFO L85 PathProgramCache]: Analyzing trace with hash -1531451048, now seen corresponding path program 9 times [2022-11-23 14:11:54,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:11:54,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453131265] [2022-11-23 14:11:54,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:11:54,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:11:54,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:12:03,807 INFO L134 CoverageAnalysis]: Checked inductivity of 7663 backedges. 0 proven. 7626 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-11-23 14:12:03,807 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:12:03,807 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453131265] [2022-11-23 14:12:03,807 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [453131265] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 14:12:03,807 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1488784116] [2022-11-23 14:12:03,807 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-23 14:12:03,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:12:03,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06db9ab4-834c-4c20-9fcd-0946096afe7c/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:12:03,808 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06db9ab4-834c-4c20-9fcd-0946096afe7c/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:12:03,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06db9ab4-834c-4c20-9fcd-0946096afe7c/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-11-23 14:12:04,197 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-23 14:12:04,197 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-23 14:12:04,204 INFO L263 TraceCheckSpWp]: Trace formula consists of 1243 conjuncts, 125 conjunts are in the unsatisfiable core [2022-11-23 14:12:04,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:12:04,470 INFO L134 CoverageAnalysis]: Checked inductivity of 7663 backedges. 0 proven. 7626 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-11-23 14:12:04,470 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:12:22,888 INFO L134 CoverageAnalysis]: Checked inductivity of 7663 backedges. 0 proven. 7626 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-11-23 14:12:22,888 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1488784116] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 14:12:22,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [694807172] [2022-11-23 14:12:22,890 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2022-11-23 14:12:22,890 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 14:12:22,896 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 14:12:22,896 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 14:12:22,896 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 14:12:22,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:12:22,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:12:22,951 INFO L321 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2022-11-23 14:12:22,952 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 39 treesize of output 53 [2022-11-23 14:12:22,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:12:22,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:12:22,965 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 27 [2022-11-23 14:12:22,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:12:22,983 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 33 [2022-11-23 14:12:23,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:12:23,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:12:23,053 INFO L321 Elim1Store]: treesize reduction 49, result has 12.5 percent of original size [2022-11-23 14:12:23,053 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 258 treesize of output 246 [2022-11-23 14:12:23,111 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 16 treesize of output 12 [2022-11-23 14:12:23,134 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:12:23,143 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-23 14:12:23,143 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 29 [2022-11-23 14:12:23,167 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:12:23,176 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-23 14:12:23,176 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 25 [2022-11-23 14:12:23,335 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:12:23,344 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-23 14:12:23,344 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 25 [2022-11-23 14:12:23,350 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 14:12:24,834 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '8238#(and (< |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~i~0#1|) (= |ULTIMATE.start_main_#t~mem6#1| (select (select |#memory_int| |ULTIMATE.start_main_~#dst~0#1.base|) (+ |ULTIMATE.start_main_~#dst~0#1.offset| (* |ULTIMATE.start_main_~x~0#1| 4)))) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (= |ULTIMATE.start_main_#t~mem7#1| (select (select |#memory_int| |ULTIMATE.start_main_~#src~0#1.base|) (+ |ULTIMATE.start_main_~#src~0#1.offset| (* |ULTIMATE.start_main_~x~0#1| 4)))) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| (ite (= |ULTIMATE.start_main_#t~mem7#1| |ULTIMATE.start_main_#t~mem6#1|) 1 0)) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (or (and (= |ULTIMATE.start_main_~#dst~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#src~0#1.base|) (= |ULTIMATE.start_main_~#src~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#dst~0#1.base|) (<= 100000 |ULTIMATE.start_main_~j~0#1|) (= |#NULL.offset| 0) (= |ULTIMATE.start_main_~x~0#1| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0)) (and (= |ULTIMATE.start_main_~#dst~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#src~0#1.base|) (= |ULTIMATE.start_main_~#src~0#1.offset| 0) (<= 1 |ULTIMATE.start_main_~x~0#1|) (<= 0 |ULTIMATE.start_main_~#dst~0#1.base|) (<= 100000 |ULTIMATE.start_main_~j~0#1|) (= |#NULL.offset| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))))' at error location [2022-11-23 14:12:24,835 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-23 14:12:24,835 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 14:12:24,835 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [125, 125, 125] total 250 [2022-11-23 14:12:24,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719189093] [2022-11-23 14:12:24,835 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 14:12:24,836 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 251 states [2022-11-23 14:12:24,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:12:24,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 251 interpolants. [2022-11-23 14:12:24,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31400, Invalid=34906, Unknown=0, NotChecked=0, Total=66306 [2022-11-23 14:12:24,844 INFO L87 Difference]: Start difference. First operand 162 states and 166 transitions. Second operand has 251 states, 251 states have (on average 1.0398406374501992) internal successors, (261), 250 states have internal predecessors, (261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:12:25,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:12:25,781 INFO L93 Difference]: Finished difference Result 324 states and 456 transitions. [2022-11-23 14:12:25,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 250 states. [2022-11-23 14:12:25,782 INFO L78 Accepts]: Start accepts. Automaton has has 251 states, 251 states have (on average 1.0398406374501992) internal successors, (261), 250 states have internal predecessors, (261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 147 [2022-11-23 14:12:25,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:12:25,784 INFO L225 Difference]: With dead ends: 324 [2022-11-23 14:12:25,784 INFO L226 Difference]: Without dead ends: 287 [2022-11-23 14:12:25,787 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 564 GetRequests, 308 SyntacticMatches, 0 SemanticMatches, 256 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3099 ImplicationChecksByTransitivity, 25.7s TimeCoverageRelationStatistics Valid=31400, Invalid=34906, Unknown=0, NotChecked=0, Total=66306 [2022-11-23 14:12:25,787 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 0 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 128 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 128 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-23 14:12:25,788 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 28 Invalid, 390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [128 Valid, 262 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-23 14:12:25,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2022-11-23 14:12:25,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 287. [2022-11-23 14:12:25,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 286 states have (on average 1.0174825174825175) internal successors, (291), 286 states have internal predecessors, (291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:12:25,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 291 transitions. [2022-11-23 14:12:25,829 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 291 transitions. Word has length 147 [2022-11-23 14:12:25,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:12:25,829 INFO L495 AbstractCegarLoop]: Abstraction has 287 states and 291 transitions. [2022-11-23 14:12:25,830 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 251 states, 251 states have (on average 1.0398406374501992) internal successors, (261), 250 states have internal predecessors, (261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:12:25,830 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 291 transitions. [2022-11-23 14:12:25,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2022-11-23 14:12:25,833 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:12:25,833 INFO L195 NwaCegarLoop]: trace histogram [248, 6, 5, 3, 2, 2, 1, 1, 1, 1, 1, 1] [2022-11-23 14:12:25,840 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06db9ab4-834c-4c20-9fcd-0946096afe7c/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-11-23 14:12:26,036 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06db9ab4-834c-4c20-9fcd-0946096afe7c/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-11-23 14:12:26,036 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:12:26,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:12:26,037 INFO L85 PathProgramCache]: Analyzing trace with hash -924104089, now seen corresponding path program 10 times [2022-11-23 14:12:26,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:12:26,037 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38996700] [2022-11-23 14:12:26,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:12:26,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:12:26,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:13:02,034 INFO L134 CoverageAnalysis]: Checked inductivity of 30913 backedges. 0 proven. 30876 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-11-23 14:13:02,034 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:13:02,034 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38996700] [2022-11-23 14:13:02,034 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [38996700] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 14:13:02,035 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [920864989] [2022-11-23 14:13:02,035 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-11-23 14:13:02,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:13:02,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06db9ab4-834c-4c20-9fcd-0946096afe7c/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:13:02,036 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06db9ab4-834c-4c20-9fcd-0946096afe7c/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:13:02,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06db9ab4-834c-4c20-9fcd-0946096afe7c/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-11-23 14:13:02,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:13:02,713 INFO L263 TraceCheckSpWp]: Trace formula consists of 2368 conjuncts, 250 conjunts are in the unsatisfiable core [2022-11-23 14:13:02,721 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:13:03,166 INFO L134 CoverageAnalysis]: Checked inductivity of 30913 backedges. 0 proven. 30876 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-11-23 14:13:03,166 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:14:15,889 INFO L134 CoverageAnalysis]: Checked inductivity of 30913 backedges. 0 proven. 30876 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-11-23 14:14:15,889 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [920864989] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 14:14:15,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1413220241] [2022-11-23 14:14:15,891 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2022-11-23 14:14:15,891 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 14:14:15,891 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 14:14:15,891 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 14:14:15,892 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 14:14:15,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:14:15,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:14:15,942 INFO L321 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2022-11-23 14:14:15,942 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 39 treesize of output 53 [2022-11-23 14:14:15,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:14:15,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:14:15,954 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 27 [2022-11-23 14:14:15,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:14:15,978 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-11-23 14:14:16,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:14:16,028 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:14:16,049 INFO L321 Elim1Store]: treesize reduction 54, result has 28.0 percent of original size [2022-11-23 14:14:16,049 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 248 treesize of output 247 [2022-11-23 14:14:16,136 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 16 treesize of output 12 [2022-11-23 14:14:16,168 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-23 14:14:16,168 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 19 [2022-11-23 14:14:16,191 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:14:16,200 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-23 14:14:16,201 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 25 [2022-11-23 14:14:16,356 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:14:16,365 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-23 14:14:16,365 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 25 [2022-11-23 14:14:16,372 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 14:14:18,500 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '11520#(and (< |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~i~0#1|) (= |ULTIMATE.start_main_#t~mem6#1| (select (select |#memory_int| |ULTIMATE.start_main_~#dst~0#1.base|) (+ |ULTIMATE.start_main_~#dst~0#1.offset| (* |ULTIMATE.start_main_~x~0#1| 4)))) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (= |ULTIMATE.start_main_#t~mem7#1| (select (select |#memory_int| |ULTIMATE.start_main_~#src~0#1.base|) (+ |ULTIMATE.start_main_~#src~0#1.offset| (* |ULTIMATE.start_main_~x~0#1| 4)))) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| (ite (= |ULTIMATE.start_main_#t~mem7#1| |ULTIMATE.start_main_#t~mem6#1|) 1 0)) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (or (and (= |ULTIMATE.start_main_~#dst~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#src~0#1.base|) (= |ULTIMATE.start_main_~#src~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#dst~0#1.base|) (<= 100000 |ULTIMATE.start_main_~j~0#1|) (= |#NULL.offset| 0) (= |ULTIMATE.start_main_~x~0#1| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0)) (and (= |ULTIMATE.start_main_~#dst~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#src~0#1.base|) (= |ULTIMATE.start_main_~#src~0#1.offset| 0) (<= 1 |ULTIMATE.start_main_~x~0#1|) (<= 0 |ULTIMATE.start_main_~#dst~0#1.base|) (<= 100000 |ULTIMATE.start_main_~j~0#1|) (= |#NULL.offset| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))))' at error location [2022-11-23 14:14:18,500 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-23 14:14:18,500 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 14:14:18,501 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [250, 250, 250] total 500 [2022-11-23 14:14:18,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799270697] [2022-11-23 14:14:18,501 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 14:14:18,502 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 501 states [2022-11-23 14:14:18,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:14:18,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 501 interpolants. [2022-11-23 14:14:18,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=125275, Invalid=132281, Unknown=0, NotChecked=0, Total=257556 [2022-11-23 14:14:18,527 INFO L87 Difference]: Start difference. First operand 287 states and 291 transitions. Second operand has 501 states, 501 states have (on average 1.0199600798403194) internal successors, (511), 500 states have internal predecessors, (511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:14:22,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:14:22,607 INFO L93 Difference]: Finished difference Result 574 states and 831 transitions. [2022-11-23 14:14:22,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 500 states. [2022-11-23 14:14:22,608 INFO L78 Accepts]: Start accepts. Automaton has has 501 states, 501 states have (on average 1.0199600798403194) internal successors, (511), 500 states have internal predecessors, (511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 272 [2022-11-23 14:14:22,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:14:22,611 INFO L225 Difference]: With dead ends: 574 [2022-11-23 14:14:22,612 INFO L226 Difference]: Without dead ends: 537 [2022-11-23 14:14:22,622 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1064 GetRequests, 558 SyntacticMatches, 0 SemanticMatches, 506 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6224 ImplicationChecksByTransitivity, 98.5s TimeCoverageRelationStatistics Valid=125275, Invalid=132281, Unknown=0, NotChecked=0, Total=257556 [2022-11-23 14:14:22,623 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 0 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 516 mSolverCounterSat, 255 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 771 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 255 IncrementalHoareTripleChecker+Valid, 516 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-23 14:14:22,623 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 35 Invalid, 771 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [255 Valid, 516 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-23 14:14:22,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 537 states. [2022-11-23 14:14:22,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 537 to 537. [2022-11-23 14:14:22,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 537 states, 536 states have (on average 1.0093283582089552) internal successors, (541), 536 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:14:22,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 537 states and 541 transitions. [2022-11-23 14:14:22,699 INFO L78 Accepts]: Start accepts. Automaton has 537 states and 541 transitions. Word has length 272 [2022-11-23 14:14:22,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:14:22,699 INFO L495 AbstractCegarLoop]: Abstraction has 537 states and 541 transitions. [2022-11-23 14:14:22,700 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 501 states, 501 states have (on average 1.0199600798403194) internal successors, (511), 500 states have internal predecessors, (511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:14:22,700 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 541 transitions. [2022-11-23 14:14:22,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 523 [2022-11-23 14:14:22,709 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:14:22,709 INFO L195 NwaCegarLoop]: trace histogram [498, 6, 5, 3, 2, 2, 1, 1, 1, 1, 1, 1] [2022-11-23 14:14:22,719 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06db9ab4-834c-4c20-9fcd-0946096afe7c/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-11-23 14:14:22,919 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06db9ab4-834c-4c20-9fcd-0946096afe7c/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-11-23 14:14:22,919 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:14:22,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:14:22,919 INFO L85 PathProgramCache]: Analyzing trace with hash 915031047, now seen corresponding path program 11 times [2022-11-23 14:14:22,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:14:22,919 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200415964] [2022-11-23 14:14:22,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:14:22,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:14:24,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:16:55,809 INFO L134 CoverageAnalysis]: Checked inductivity of 124288 backedges. 0 proven. 124251 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-11-23 14:16:55,809 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:16:55,809 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200415964] [2022-11-23 14:16:55,809 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200415964] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 14:16:55,809 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [267461501] [2022-11-23 14:16:55,809 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-23 14:16:55,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:16:55,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06db9ab4-834c-4c20-9fcd-0946096afe7c/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:16:55,811 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06db9ab4-834c-4c20-9fcd-0946096afe7c/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:16:55,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06db9ab4-834c-4c20-9fcd-0946096afe7c/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-11-23 14:16:56,494 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2022-11-23 14:16:56,494 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-23 14:16:56,499 INFO L263 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 43 conjunts are in the unsatisfiable core [2022-11-23 14:16:56,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:16:56,523 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 18 treesize of output 16 [2022-11-23 14:17:01,353 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 19 [2022-11-23 14:17:01,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:01,704 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 33 [2022-11-23 14:17:02,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:02,073 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 33 [2022-11-23 14:17:04,016 INFO L134 CoverageAnalysis]: Checked inductivity of 124288 backedges. 2 proven. 35 refuted. 0 times theorem prover too weak. 124251 trivial. 0 not checked. [2022-11-23 14:17:04,016 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:17:06,995 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 14:17:06,995 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1086 treesize of output 1022 [2022-11-23 14:17:23,377 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-23 14:17:23,378 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 147 treesize of output 113 [2022-11-23 14:17:23,384 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 348 treesize of output 336 [2022-11-23 14:17:23,556 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-23 14:17:23,557 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 107 treesize of output 1 [2022-11-23 14:17:23,579 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-23 14:17:23,580 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 147 treesize of output 1 [2022-11-23 14:17:23,591 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-23 14:17:23,591 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 107 treesize of output 1 [2022-11-23 14:17:23,602 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-23 14:17:23,603 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 107 treesize of output 1 [2022-11-23 14:17:23,611 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-23 14:17:23,612 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 107 treesize of output 1 [2022-11-23 14:17:23,638 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-23 14:17:23,639 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 107 treesize of output 1 [2022-11-23 14:17:23,652 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-23 14:17:23,653 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 107 treesize of output 1 [2022-11-23 14:17:23,667 INFO L321 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-11-23 14:17:23,667 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 73 treesize of output 62 [2022-11-23 14:17:23,679 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:23,684 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 54 treesize of output 50 [2022-11-23 14:17:23,744 INFO L321 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-11-23 14:17:23,744 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 73 treesize of output 62 [2022-11-23 14:17:23,749 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:23,754 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 54 treesize of output 50 [2022-11-23 14:17:23,796 INFO L321 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-11-23 14:17:23,797 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 34 [2022-11-23 14:17:23,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:23,811 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 85 [2022-11-23 14:17:23,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:23,816 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:23,817 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:23,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:23,825 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-11-23 14:17:23,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:23,830 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:23,831 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:23,848 INFO L321 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-11-23 14:17:23,849 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 73 treesize of output 62 [2022-11-23 14:17:23,857 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:23,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:23,858 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:23,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:23,866 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-11-23 14:17:23,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:23,871 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:23,871 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:23,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:23,879 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 85 [2022-11-23 14:17:23,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:23,885 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:23,885 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:23,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:23,893 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 85 [2022-11-23 14:17:23,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:23,898 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:23,899 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:23,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:23,908 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 85 [2022-11-23 14:17:23,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:23,913 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:23,913 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:23,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:23,926 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-11-23 14:17:23,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:23,931 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:23,932 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:23,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:23,945 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 85 [2022-11-23 14:17:23,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:23,949 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:23,950 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:23,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:23,963 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 57 [2022-11-23 14:17:23,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:23,968 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:23,969 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:23,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:23,981 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 28 [2022-11-23 14:17:23,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:23,986 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:23,987 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:23,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:23,995 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 85 [2022-11-23 14:17:23,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:24,000 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:24,001 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:24,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:24,009 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 28 [2022-11-23 14:17:24,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:24,014 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:24,014 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:24,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:24,022 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-11-23 14:17:24,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:24,027 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:24,028 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:24,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:24,039 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-11-23 14:17:24,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:24,044 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:24,045 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:24,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:24,053 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 57 [2022-11-23 14:17:24,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:24,059 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:24,060 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:24,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:24,072 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 57 [2022-11-23 14:17:24,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:24,077 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:24,078 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:24,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:24,086 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-11-23 14:17:24,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:24,090 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:24,091 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:24,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:24,100 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-11-23 14:17:24,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:24,104 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:24,105 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:24,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:24,118 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 57 [2022-11-23 14:17:24,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:24,123 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:24,124 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:24,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:24,132 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 85 [2022-11-23 14:17:24,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:24,136 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:24,137 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:24,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:24,146 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 85 [2022-11-23 14:17:24,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:24,152 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:24,152 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:24,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:24,163 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 85 [2022-11-23 14:17:24,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:24,168 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:24,168 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:24,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:24,181 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-11-23 14:17:24,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:24,186 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:24,186 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:24,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:24,194 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-11-23 14:17:24,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:24,199 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:24,200 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:24,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:24,209 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 57 [2022-11-23 14:17:24,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:24,214 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:24,215 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:24,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:24,227 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 57 [2022-11-23 14:17:24,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:24,232 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:24,232 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:24,251 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-23 14:17:24,251 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 147 treesize of output 1 [2022-11-23 14:17:24,265 INFO L321 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-11-23 14:17:24,266 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 73 treesize of output 62 [2022-11-23 14:17:24,270 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:24,275 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 50 treesize of output 46 [2022-11-23 14:17:24,306 INFO L321 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-11-23 14:17:24,307 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 34 [2022-11-23 14:17:24,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:24,318 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 85 [2022-11-23 14:17:24,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:24,323 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:24,324 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:24,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:24,336 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-11-23 14:17:24,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:24,341 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:24,342 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:24,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:24,350 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-11-23 14:17:24,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:24,355 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:24,355 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:24,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:24,363 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 57 [2022-11-23 14:17:24,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:24,368 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:24,368 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:24,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:24,380 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-11-23 14:17:24,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:24,385 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:24,386 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:24,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:24,394 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 57 [2022-11-23 14:17:24,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:24,399 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:24,400 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:24,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:24,408 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 28 [2022-11-23 14:17:24,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:24,413 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:24,414 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:24,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:24,426 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 57 [2022-11-23 14:17:24,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:24,431 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:24,432 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:24,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:24,441 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 85 [2022-11-23 14:17:24,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:24,447 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:24,448 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:24,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:24,456 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 85 [2022-11-23 14:17:24,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:24,461 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:24,462 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:24,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:24,471 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-11-23 14:17:24,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:24,477 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:24,477 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:24,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:24,485 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-11-23 14:17:24,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:24,491 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:24,491 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:24,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:24,513 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 85 [2022-11-23 14:17:24,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:24,517 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:24,518 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:24,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:24,526 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 85 [2022-11-23 14:17:24,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:24,531 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:24,532 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:24,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:24,540 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-11-23 14:17:24,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:24,545 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:24,546 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:24,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:24,567 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 85 [2022-11-23 14:17:24,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:24,572 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:24,573 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:24,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:24,587 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-11-23 14:17:24,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:24,592 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:24,592 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:24,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:24,601 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 85 [2022-11-23 14:17:24,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:24,606 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:24,607 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:24,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:24,615 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-11-23 14:17:24,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:24,620 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:24,621 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:24,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:24,643 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-11-23 14:17:24,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:24,649 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:24,649 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:24,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:24,659 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 57 [2022-11-23 14:17:24,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:24,674 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:24,674 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:24,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:24,684 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-11-23 14:17:24,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:24,689 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:24,690 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:24,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:24,704 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 57 [2022-11-23 14:17:24,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:24,710 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:24,710 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:24,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:24,720 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-11-23 14:17:24,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:24,725 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:24,725 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:24,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:24,738 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-11-23 14:17:24,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:24,743 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:24,744 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:24,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:24,753 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 28 [2022-11-23 14:17:24,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:24,758 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:24,759 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:24,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:24,767 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-11-23 14:17:24,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:24,775 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:24,775 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:24,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:24,791 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 57 [2022-11-23 14:17:24,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:24,796 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:24,797 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:24,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:24,807 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 85 [2022-11-23 14:17:24,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:24,813 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:24,813 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:24,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:24,823 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 85 [2022-11-23 14:17:24,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:24,831 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:24,832 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:24,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:24,843 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 85 [2022-11-23 14:17:24,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:24,848 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:24,849 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:24,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:24,863 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-11-23 14:17:24,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:24,868 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:24,869 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:24,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:24,878 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-11-23 14:17:24,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:24,884 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:24,884 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:24,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:24,896 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-11-23 14:17:24,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:24,902 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:24,902 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:24,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:24,911 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 85 [2022-11-23 14:17:24,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:24,917 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:24,918 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:24,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:24,926 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-11-23 14:17:24,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:24,932 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:24,932 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:24,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:24,942 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 85 [2022-11-23 14:17:24,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:24,947 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:24,948 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:24,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:24,957 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-11-23 14:17:24,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:24,962 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:24,963 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:24,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:24,972 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-11-23 14:17:24,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:24,977 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:24,977 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:24,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:24,986 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 85 [2022-11-23 14:17:24,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:24,992 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:24,993 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:25,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:25,007 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 85 [2022-11-23 14:17:25,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:25,013 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:25,013 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:25,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:25,023 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-11-23 14:17:25,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:25,028 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:25,029 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:25,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:25,043 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 57 [2022-11-23 14:17:25,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:25,048 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:25,049 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:25,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:25,059 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 85 [2022-11-23 14:17:25,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:25,065 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:25,065 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:25,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:25,075 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 85 [2022-11-23 14:17:25,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:25,080 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:25,081 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:25,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:25,090 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-11-23 14:17:25,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:25,096 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:25,097 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:25,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:25,106 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-11-23 14:17:25,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:25,111 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:25,112 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:25,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:25,135 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 57 [2022-11-23 14:17:25,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:25,141 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:25,141 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:25,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:25,152 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 85 [2022-11-23 14:17:25,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:25,158 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:25,158 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:25,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:25,168 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-11-23 14:17:25,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:25,174 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:25,174 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:25,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:25,184 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 57 [2022-11-23 14:17:25,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:25,190 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:25,191 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:25,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:25,200 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 28 [2022-11-23 14:17:25,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:25,208 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:25,208 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:25,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:25,218 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 85 [2022-11-23 14:17:25,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:25,224 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:25,225 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:25,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:25,233 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-11-23 14:17:25,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:25,239 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:25,240 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:25,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:25,249 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-11-23 14:17:25,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:25,255 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:25,256 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:25,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:25,265 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 57 [2022-11-23 14:17:25,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:25,271 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:25,271 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:25,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:25,287 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 85 [2022-11-23 14:17:25,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:25,293 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:25,294 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:25,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:25,303 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 85 [2022-11-23 14:17:25,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:25,313 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:25,313 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:25,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:25,323 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-11-23 14:17:25,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:25,328 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:25,329 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:25,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:25,343 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 57 [2022-11-23 14:17:25,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:25,349 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:25,350 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:25,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:25,360 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 85 [2022-11-23 14:17:25,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:25,366 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:25,366 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:25,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:25,376 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-11-23 14:17:25,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:25,382 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:25,382 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:25,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:25,392 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 85 [2022-11-23 14:17:25,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:25,398 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:25,398 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:25,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:25,408 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 85 [2022-11-23 14:17:25,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:25,413 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:25,414 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:25,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:25,429 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 85 [2022-11-23 14:17:25,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:25,435 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:25,436 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:25,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:25,446 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-11-23 14:17:25,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:25,452 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:25,452 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:25,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:25,468 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 57 [2022-11-23 14:17:25,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:25,473 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:25,474 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:25,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:25,485 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 85 [2022-11-23 14:17:25,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:25,491 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:25,492 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:25,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:25,502 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 85 [2022-11-23 14:17:25,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:25,507 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:25,508 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:25,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:25,518 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-11-23 14:17:25,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:25,524 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:25,525 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:25,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:25,535 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-11-23 14:17:25,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:25,541 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:25,541 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:25,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:25,565 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 57 [2022-11-23 14:17:25,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:25,571 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:25,572 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:25,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:25,588 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 57 [2022-11-23 14:17:25,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:25,595 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:25,595 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:25,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:25,608 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 85 [2022-11-23 14:17:25,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:25,614 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:25,615 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:25,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:25,625 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 85 [2022-11-23 14:17:25,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:25,635 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:25,636 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:25,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:25,650 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 85 [2022-11-23 14:17:25,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:25,657 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:25,658 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:25,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:25,678 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-11-23 14:17:25,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:25,685 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:25,685 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:25,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:25,696 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-11-23 14:17:25,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:25,702 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:25,702 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:25,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:25,713 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 85 [2022-11-23 14:17:25,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:25,719 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:25,720 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:25,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:25,731 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 85 [2022-11-23 14:17:25,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:25,737 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:25,737 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:25,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:25,748 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-11-23 14:17:25,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:25,754 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:25,755 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:25,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:25,766 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 85 [2022-11-23 14:17:25,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:25,773 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:25,774 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:25,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:25,785 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 85 [2022-11-23 14:17:25,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:25,792 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:25,792 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:25,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:25,809 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-11-23 14:17:25,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:25,815 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:25,816 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:25,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:25,826 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-11-23 14:17:25,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:25,837 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:25,837 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:25,902 INFO L321 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2022-11-23 14:17:25,903 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1675 treesize of output 1411 [2022-11-23 14:17:30,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:30,072 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:30,073 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:30,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:30,077 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:30,077 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:30,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:30,086 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 1 [2022-11-23 14:17:30,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:30,090 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:30,091 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:30,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:30,094 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-11-23 14:17:30,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:30,098 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:30,099 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:30,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:30,106 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:30,106 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:30,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:30,109 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2022-11-23 14:17:30,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:30,113 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:30,114 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:30,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:30,121 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:30,121 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:30,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:30,125 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:30,125 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:30,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:30,128 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2022-11-23 14:17:30,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:30,132 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:30,133 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:30,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:30,137 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:30,137 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:30,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:30,140 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-11-23 14:17:30,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:30,144 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:30,145 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:30,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:30,148 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2022-11-23 14:17:30,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:30,153 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:30,153 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:30,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:30,156 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 1 [2022-11-23 14:17:30,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:30,160 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:30,161 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:30,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:30,164 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-11-23 14:17:30,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:30,168 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:30,169 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:30,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:30,172 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:30,173 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:30,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:30,176 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-11-23 14:17:30,201 INFO L321 Elim1Store]: treesize reduction 5, result has 64.3 percent of original size [2022-11-23 14:17:30,202 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1675 treesize of output 1420 [2022-11-23 14:17:31,791 INFO L321 Elim1Store]: treesize reduction 23, result has 30.3 percent of original size [2022-11-23 14:17:31,792 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 1675 treesize of output 1436 [2022-11-23 14:17:33,093 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:33,094 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 978 treesize of output 898 [2022-11-23 14:17:33,281 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:33,285 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:33,286 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:33,291 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-23 14:17:33,292 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 257 treesize of output 1 [2022-11-23 14:17:33,299 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:33,308 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-23 14:17:33,309 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 176 treesize of output 1 [2022-11-23 14:17:33,313 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:33,318 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:33,319 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:33,325 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-23 14:17:33,325 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 257 treesize of output 1 [2022-11-23 14:17:33,356 INFO L321 Elim1Store]: treesize reduction 5, result has 64.3 percent of original size [2022-11-23 14:17:33,356 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1675 treesize of output 1420 [2022-11-23 14:17:34,660 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 14:17:34,660 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 978 treesize of output 912 [2022-11-23 14:17:34,905 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:34,915 INFO L321 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2022-11-23 14:17:34,915 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 184 treesize of output 1 [2022-11-23 14:17:34,919 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:34,931 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 14:17:34,932 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 131 treesize of output 113 [2022-11-23 14:17:34,961 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:34,962 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:34,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:34,966 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:34,967 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:34,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:34,972 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:34,972 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:34,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:34,976 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:34,977 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:34,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:34,982 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:34,982 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:34,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:34,987 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:34,987 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:34,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:35,010 INFO L321 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2022-11-23 14:17:35,010 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1675 treesize of output 1 [2022-11-23 14:17:35,032 INFO L321 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-11-23 14:17:35,033 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 1919 treesize of output 1527 [2022-11-23 14:17:38,470 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:38,478 INFO L321 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2022-11-23 14:17:38,478 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 270 treesize of output 1 [2022-11-23 14:17:38,484 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:38,495 INFO L321 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-11-23 14:17:38,495 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 584 treesize of output 1 [2022-11-23 14:17:38,544 INFO L321 Elim1Store]: treesize reduction 10, result has 69.7 percent of original size [2022-11-23 14:17:38,544 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 1675 treesize of output 1449 [2022-11-23 14:17:39,355 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:39,355 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:39,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:39,362 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:39,372 INFO L321 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2022-11-23 14:17:39,372 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 411 treesize of output 1 [2022-11-23 14:17:39,377 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:39,390 INFO L321 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-11-23 14:17:39,390 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 584 treesize of output 1 [2022-11-23 14:17:39,400 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:39,410 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-23 14:17:39,411 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 176 treesize of output 1 [2022-11-23 14:17:39,415 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:39,420 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 103 treesize of output 95 [2022-11-23 14:17:39,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:39,444 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:39,445 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:39,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:39,450 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:39,451 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:39,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:39,456 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 1 [2022-11-23 14:17:39,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:39,461 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:39,462 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:39,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:39,467 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-11-23 14:17:39,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:39,473 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:39,473 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:39,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:39,487 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:39,488 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:39,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:39,493 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:39,493 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:39,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:39,498 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-11-23 14:17:39,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:39,503 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:39,504 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:39,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:39,509 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:39,510 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:39,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:39,514 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 1 [2022-11-23 14:17:39,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:39,519 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:39,520 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:39,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:39,524 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-11-23 14:17:39,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:39,529 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:39,530 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:39,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:39,539 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:39,539 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:39,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:39,549 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 1 [2022-11-23 14:17:39,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:39,554 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:39,555 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:39,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:39,560 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-11-23 14:17:39,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:39,564 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:39,565 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:39,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:39,569 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 1 [2022-11-23 14:17:39,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:39,574 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:39,575 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:39,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:39,579 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-11-23 14:17:39,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:39,584 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:39,585 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:39,611 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:39,621 INFO L321 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2022-11-23 14:17:39,621 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 411 treesize of output 1 [2022-11-23 14:17:39,629 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:39,630 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:39,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:39,643 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:39,644 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:39,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:39,649 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:39,649 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:39,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:39,670 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:39,671 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:39,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:39,677 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:39,678 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:39,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:39,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:39,690 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:39,691 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:39,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:39,696 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2022-11-23 14:17:39,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:39,705 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:39,706 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:39,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:39,711 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2022-11-23 14:17:39,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:39,716 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:39,716 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:39,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:39,721 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-11-23 14:17:39,747 INFO L321 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-11-23 14:17:39,747 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 1675 treesize of output 1 [2022-11-23 14:17:39,759 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:39,759 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:39,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:39,774 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:39,785 INFO L321 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2022-11-23 14:17:39,785 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 299 treesize of output 235 [2022-11-23 14:17:39,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:39,895 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:39,896 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:39,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:39,901 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:39,901 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:39,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:39,906 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:39,907 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:39,950 INFO L321 Elim1Store]: treesize reduction 15, result has 54.5 percent of original size [2022-11-23 14:17:39,951 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 1919 treesize of output 1544 [2022-11-23 14:17:43,195 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:43,207 INFO L321 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-11-23 14:17:43,207 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 427 treesize of output 1 [2022-11-23 14:17:43,214 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:43,225 INFO L321 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-11-23 14:17:43,226 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 286 treesize of output 1 [2022-11-23 14:17:43,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:43,235 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:43,236 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:43,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:43,240 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-11-23 14:17:43,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:43,246 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:43,247 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:43,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:43,251 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:43,252 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:43,261 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:43,274 INFO L321 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-11-23 14:17:43,274 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 584 treesize of output 1 [2022-11-23 14:17:43,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:43,283 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:43,284 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:43,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:43,288 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 1 [2022-11-23 14:17:43,326 INFO L321 Elim1Store]: treesize reduction 15, result has 54.5 percent of original size [2022-11-23 14:17:43,327 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 1848 treesize of output 1473 [2022-11-23 14:17:43,729 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:43,729 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:43,733 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:43,742 INFO L321 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-11-23 14:17:43,743 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 1 [2022-11-23 14:17:43,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:43,750 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:43,750 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:43,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:43,754 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2022-11-23 14:17:43,758 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:43,759 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:43,768 INFO L321 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-11-23 14:17:43,768 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 63 treesize of output 1 [2022-11-23 14:17:43,773 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:43,773 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:43,783 INFO L321 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-11-23 14:17:43,783 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 92 treesize of output 1 [2022-11-23 14:17:43,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:43,788 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:43,788 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:43,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:43,792 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-11-23 14:17:43,798 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:43,810 INFO L321 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-11-23 14:17:43,810 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 584 treesize of output 1 [2022-11-23 14:17:43,821 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:43,821 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:43,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:43,826 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:43,826 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:43,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:43,831 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:43,831 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:43,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:43,836 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:43,836 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:43,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:43,842 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:43,848 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:43,853 INFO L321 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-11-23 14:17:43,854 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 286 treesize of output 1 [2022-11-23 14:17:43,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:43,860 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:43,860 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:43,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:43,865 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:43,865 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:43,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:43,875 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:43,876 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:43,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:43,880 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 1 [2022-11-23 14:17:43,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:43,885 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:43,885 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:43,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:43,889 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-11-23 14:17:43,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:43,897 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:43,897 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:43,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:43,901 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 1 [2022-11-23 14:17:43,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:43,927 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:43,928 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:43,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:43,937 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:43,937 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:43,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:43,941 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 1 [2022-11-23 14:17:43,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:43,951 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:43,952 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:43,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:43,956 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-11-23 14:17:43,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:43,961 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:43,961 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:43,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:43,965 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 1 [2022-11-23 14:17:43,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:43,970 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:43,970 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:43,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:43,974 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-11-23 14:17:43,983 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:43,984 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:43,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:43,988 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:43,989 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:43,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:44,004 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,004 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,009 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,013 INFO L321 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-11-23 14:17:44,014 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 1 [2022-11-23 14:17:44,018 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,019 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,029 INFO L321 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-11-23 14:17:44,029 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 92 treesize of output 1 [2022-11-23 14:17:44,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:44,037 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,037 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:44,041 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2022-11-23 14:17:44,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:44,049 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,050 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,058 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,059 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,063 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,068 INFO L321 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-11-23 14:17:44,068 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 92 treesize of output 1 [2022-11-23 14:17:44,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:44,077 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,077 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,082 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,083 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,093 INFO L321 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-11-23 14:17:44,093 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 121 treesize of output 1 [2022-11-23 14:17:44,101 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,102 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,106 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,111 INFO L321 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-11-23 14:17:44,111 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 63 treesize of output 1 [2022-11-23 14:17:44,120 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,121 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:44,126 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,127 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:44,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:44,137 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,137 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:44,141 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2022-11-23 14:17:44,150 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,151 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:44,156 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,157 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:44,161 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,162 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:44,167 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,167 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:44,173 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,173 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:44,178 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,179 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:44,184 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,184 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:44,190 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,190 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:44,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:44,198 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,199 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:44,204 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,205 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:44,210 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,211 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:44,216 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,217 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,231 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,237 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,243 INFO L321 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-11-23 14:17:44,244 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 427 treesize of output 1 [2022-11-23 14:17:44,263 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,263 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:44,276 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,277 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,288 INFO L321 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-11-23 14:17:44,289 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 92 treesize of output 1 [2022-11-23 14:17:44,298 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,298 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,304 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,309 INFO L321 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-11-23 14:17:44,310 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 96 treesize of output 1 [2022-11-23 14:17:44,315 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,316 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,320 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,325 INFO L321 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-11-23 14:17:44,326 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 67 treesize of output 1 [2022-11-23 14:17:44,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:44,335 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,336 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:44,341 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-11-23 14:17:44,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:44,346 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,347 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:44,352 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,353 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,360 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,361 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,371 INFO L321 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-11-23 14:17:44,372 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 121 treesize of output 1 [2022-11-23 14:17:44,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:44,381 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,381 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:44,387 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 1 [2022-11-23 14:17:44,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:44,397 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,397 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:44,402 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2022-11-23 14:17:44,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:44,407 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,408 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:44,413 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2022-11-23 14:17:44,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:44,418 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,418 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:44,423 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 1 [2022-11-23 14:17:44,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:44,428 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,429 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:44,434 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-11-23 14:17:44,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:44,440 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,440 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:44,445 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 1 [2022-11-23 14:17:44,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:44,450 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,451 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:44,456 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-11-23 14:17:44,468 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,468 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:44,474 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,474 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:44,479 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,480 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:44,485 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,486 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:44,496 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,503 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,509 INFO L321 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-11-23 14:17:44,510 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 443 treesize of output 1 [2022-11-23 14:17:44,523 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,523 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:44,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:44,530 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,530 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:44,535 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-11-23 14:17:44,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:44,542 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,542 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:44,549 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,550 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:44,562 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,562 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,568 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,582 INFO L321 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-11-23 14:17:44,583 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 584 treesize of output 1 [2022-11-23 14:17:44,588 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,595 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,601 INFO L321 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-11-23 14:17:44,601 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 286 treesize of output 1 [2022-11-23 14:17:44,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:44,611 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,612 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:44,617 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 1 [2022-11-23 14:17:44,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:44,639 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,640 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:44,646 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,646 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:44,651 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,652 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:44,657 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2022-11-23 14:17:44,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:44,662 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,663 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:44,669 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,669 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:44,674 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,675 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:44,680 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2022-11-23 14:17:44,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:44,686 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,686 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:44,692 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,692 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:44,700 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,701 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:44,707 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-11-23 14:17:44,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:44,717 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,718 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:44,724 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,725 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:44,730 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 1 [2022-11-23 14:17:44,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:44,736 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,736 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:44,741 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-11-23 14:17:44,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:44,747 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,748 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:44,758 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,758 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:44,764 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 1 [2022-11-23 14:17:44,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:44,769 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,770 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:44,775 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-11-23 14:17:44,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:44,781 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,781 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:44,786 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2022-11-23 14:17:44,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:44,792 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,793 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:44,798 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2022-11-23 14:17:44,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:44,804 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,805 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:44,810 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 1 [2022-11-23 14:17:44,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:44,816 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,816 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:44,821 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-11-23 14:17:44,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:44,829 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,829 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:44,835 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 1 [2022-11-23 14:17:44,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:44,841 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,841 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:44,848 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-11-23 14:17:44,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:44,854 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,855 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:44,861 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,861 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:44,866 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-11-23 14:17:44,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:44,891 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,892 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,903 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,904 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,915 INFO L321 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-11-23 14:17:44,916 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 92 treesize of output 1 [2022-11-23 14:17:44,925 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,926 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,932 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,937 INFO L321 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-11-23 14:17:44,938 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 96 treesize of output 1 [2022-11-23 14:17:44,944 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,944 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,950 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,955 INFO L321 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-11-23 14:17:44,956 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 67 treesize of output 1 [2022-11-23 14:17:44,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:44,967 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,967 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:44,973 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-11-23 14:17:44,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:44,979 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,979 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:44,985 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,986 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,994 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:44,999 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:45,011 INFO L321 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-11-23 14:17:45,012 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 121 treesize of output 1 [2022-11-23 14:17:45,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:45,022 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:45,022 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:45,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:45,028 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 1 [2022-11-23 14:17:45,038 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:45,049 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-23 14:17:45,050 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 176 treesize of output 1 [2022-11-23 14:17:45,055 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:45,061 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 54 treesize of output 50 [2022-11-23 14:17:45,092 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:45,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:45,095 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:45,101 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:45,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:45,103 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:45,118 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:45,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:45,119 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:45,125 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:45,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:45,126 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:45,132 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:45,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:45,133 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:45,139 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:45,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:45,140 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:45,145 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:45,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:45,147 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:45,152 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:45,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:45,153 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:45,159 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:45,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:45,160 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:45,165 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:45,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:45,167 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:45,178 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:45,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:45,180 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:45,185 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:45,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:45,187 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:45,195 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:45,209 INFO L321 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-11-23 14:17:45,209 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 443 treesize of output 1 [2022-11-23 14:17:45,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:45,217 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:45,217 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:45,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:45,224 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:45,224 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:45,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:45,231 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:45,232 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:45,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:45,238 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:45,239 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:45,253 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:45,260 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:45,267 INFO L321 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-11-23 14:17:45,267 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 427 treesize of output 1 [2022-11-23 14:17:45,275 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:45,281 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:45,288 INFO L321 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-11-23 14:17:45,288 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 286 treesize of output 1 [2022-11-23 14:17:45,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:45,300 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:45,300 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:45,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:45,306 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-11-23 14:17:45,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:45,313 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:45,314 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:45,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:45,320 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:45,321 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:45,334 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:45,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:45,335 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:45,341 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:45,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:45,343 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:45,348 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:45,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:45,350 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:45,355 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:45,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:45,357 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:45,366 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:45,380 INFO L321 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-11-23 14:17:45,381 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 584 treesize of output 1 [2022-11-23 14:17:45,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:45,392 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:45,392 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:45,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:45,398 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 1 [2022-11-23 14:17:45,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:45,405 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:45,405 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:45,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:45,411 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-11-23 14:17:45,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:45,422 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:45,422 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:45,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:45,428 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 1 [2022-11-23 14:17:45,456 INFO L321 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-11-23 14:17:45,457 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 2372 treesize of output 1 [2022-11-23 14:17:45,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:45,478 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:45,479 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:45,489 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:45,490 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:45,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:45,496 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:45,497 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:45,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:45,510 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:45,518 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:45,525 INFO L321 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-11-23 14:17:45,525 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 427 treesize of output 1 [2022-11-23 14:17:45,540 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:45,540 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:45,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:45,548 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:45,564 INFO L321 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-11-23 14:17:45,564 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 584 treesize of output 1 [2022-11-23 14:17:45,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:45,575 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:45,576 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:45,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:45,582 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 1 [2022-11-23 14:17:45,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:45,593 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:45,594 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:17:45,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:45,600 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 1 [2022-11-23 14:18:07,280 INFO L134 CoverageAnalysis]: Checked inductivity of 124288 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 124251 trivial. 0 not checked. [2022-11-23 14:18:07,281 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [267461501] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 14:18:07,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [953774777] [2022-11-23 14:18:07,282 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2022-11-23 14:18:07,283 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 14:18:07,283 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 14:18:07,283 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 14:18:07,283 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 14:18:07,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:18:07,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:18:07,339 INFO L321 Elim1Store]: treesize reduction 37, result has 32.7 percent of original size [2022-11-23 14:18:07,339 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 34 [2022-11-23 14:18:07,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:18:07,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:18:07,393 INFO L321 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2022-11-23 14:18:07,393 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 39 treesize of output 53 [2022-11-23 14:18:07,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:18:07,424 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-11-23 14:18:07,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:18:07,498 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:18:07,525 INFO L321 Elim1Store]: treesize reduction 54, result has 28.0 percent of original size [2022-11-23 14:18:07,525 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 248 treesize of output 247 [2022-11-23 14:18:07,613 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 16 treesize of output 12 [2022-11-23 14:18:07,637 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:18:07,648 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-23 14:18:07,648 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 29 [2022-11-23 14:18:07,676 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:18:07,687 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-23 14:18:07,687 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 25 [2022-11-23 14:18:07,850 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:18:07,861 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-23 14:18:07,861 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 25 [2022-11-23 14:18:07,867 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 14:18:12,033 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '17324#(and (< |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~i~0#1|) (= |ULTIMATE.start_main_#t~mem6#1| (select (select |#memory_int| |ULTIMATE.start_main_~#dst~0#1.base|) (+ |ULTIMATE.start_main_~#dst~0#1.offset| (* |ULTIMATE.start_main_~x~0#1| 4)))) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (= |ULTIMATE.start_main_#t~mem7#1| (select (select |#memory_int| |ULTIMATE.start_main_~#src~0#1.base|) (+ |ULTIMATE.start_main_~#src~0#1.offset| (* |ULTIMATE.start_main_~x~0#1| 4)))) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| (ite (= |ULTIMATE.start_main_#t~mem7#1| |ULTIMATE.start_main_#t~mem6#1|) 1 0)) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (or (and (= |ULTIMATE.start_main_~#dst~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#src~0#1.base|) (= |ULTIMATE.start_main_~#src~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#dst~0#1.base|) (<= 100000 |ULTIMATE.start_main_~j~0#1|) (= |#NULL.offset| 0) (= |ULTIMATE.start_main_~x~0#1| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0)) (and (= |ULTIMATE.start_main_~#dst~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#src~0#1.base|) (= |ULTIMATE.start_main_~#src~0#1.offset| 0) (<= 1 |ULTIMATE.start_main_~x~0#1|) (<= 0 |ULTIMATE.start_main_~#dst~0#1.base|) (<= 100000 |ULTIMATE.start_main_~j~0#1|) (= |#NULL.offset| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))))' at error location [2022-11-23 14:18:12,033 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-23 14:18:12,033 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 14:18:12,034 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [500, 12, 12] total 522 [2022-11-23 14:18:12,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98617642] [2022-11-23 14:18:12,034 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 14:18:12,035 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 523 states [2022-11-23 14:18:12,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:18:12,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 523 interpolants. [2022-11-23 14:18:12,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=125354, Invalid=155016, Unknown=0, NotChecked=0, Total=280370 [2022-11-23 14:18:12,145 INFO L87 Difference]: Start difference. First operand 537 states and 541 transitions. Second operand has 523 states, 523 states have (on average 1.0650095602294456) internal successors, (557), 522 states have internal predecessors, (557), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:20:47,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:20:47,207 INFO L93 Difference]: Finished difference Result 598 states and 607 transitions. [2022-11-23 14:20:47,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 524 states. [2022-11-23 14:20:47,208 INFO L78 Accepts]: Start accepts. Automaton has has 523 states, 523 states have (on average 1.0650095602294456) internal successors, (557), 522 states have internal predecessors, (557), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 522 [2022-11-23 14:20:47,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:20:47,210 INFO L225 Difference]: With dead ends: 598 [2022-11-23 14:20:47,210 INFO L226 Difference]: Without dead ends: 561 [2022-11-23 14:20:47,259 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2581 GetRequests, 1536 SyntacticMatches, 0 SemanticMatches, 1045 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 153699 ImplicationChecksByTransitivity, 258.8s TimeCoverageRelationStatistics Valid=376588, Invalid=718574, Unknown=0, NotChecked=0, Total=1095162 [2022-11-23 14:20:47,259 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 88 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 1060 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 1079 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1060 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-23 14:20:47,260 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 142 Invalid, 1079 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 1060 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-23 14:20:47,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 561 states. [2022-11-23 14:20:47,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 561 to 535. [2022-11-23 14:20:47,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 535 states, 534 states have (on average 1.0074906367041199) internal successors, (538), 534 states have internal predecessors, (538), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:20:47,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 535 states and 538 transitions. [2022-11-23 14:20:47,337 INFO L78 Accepts]: Start accepts. Automaton has 535 states and 538 transitions. Word has length 522 [2022-11-23 14:20:47,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:20:47,338 INFO L495 AbstractCegarLoop]: Abstraction has 535 states and 538 transitions. [2022-11-23 14:20:47,338 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 523 states, 523 states have (on average 1.0650095602294456) internal successors, (557), 522 states have internal predecessors, (557), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:20:47,339 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 538 transitions. [2022-11-23 14:20:47,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 525 [2022-11-23 14:20:47,351 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:20:47,351 INFO L195 NwaCegarLoop]: trace histogram [499, 5, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1] [2022-11-23 14:20:47,363 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06db9ab4-834c-4c20-9fcd-0946096afe7c/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-11-23 14:20:47,557 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06db9ab4-834c-4c20-9fcd-0946096afe7c/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-11-23 14:20:47,558 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:20:47,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:20:47,559 INFO L85 PathProgramCache]: Analyzing trace with hash -748358014, now seen corresponding path program 12 times [2022-11-23 14:20:47,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:20:47,559 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543282610] [2022-11-23 14:20:47,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:20:47,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:20:48,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:23:24,244 INFO L134 CoverageAnalysis]: Checked inductivity of 124785 backedges. 0 proven. 124750 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2022-11-23 14:23:24,244 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:23:24,244 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543282610] [2022-11-23 14:23:24,244 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [543282610] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 14:23:24,244 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1913983567] [2022-11-23 14:23:24,245 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-23 14:23:24,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:23:24,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06db9ab4-834c-4c20-9fcd-0946096afe7c/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:23:24,247 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06db9ab4-834c-4c20-9fcd-0946096afe7c/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:23:24,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06db9ab4-834c-4c20-9fcd-0946096afe7c/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-11-23 14:23:25,481 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-23 14:23:25,481 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-23 14:23:25,514 INFO L263 TraceCheckSpWp]: Trace formula consists of 4630 conjuncts, 501 conjunts are in the unsatisfiable core [2022-11-23 14:23:25,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:23:26,378 INFO L134 CoverageAnalysis]: Checked inductivity of 124785 backedges. 0 proven. 124750 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2022-11-23 14:23:26,378 INFO L328 TraceCheckSpWp]: Computing backward predicates...