./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test1-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e851d906-b9a2-4405-8d72-cd720d7c1c9a/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e851d906-b9a2-4405-8d72-cd720d7c1c9a/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e851d906-b9a2-4405-8d72-cd720d7c1c9a/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e851d906-b9a2-4405-8d72-cd720d7c1c9a/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test1-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e851d906-b9a2-4405-8d72-cd720d7c1c9a/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e851d906-b9a2-4405-8d72-cd720d7c1c9a/bin/utaipan-ByfvJB40ur --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 1447114af8a4b489e3ec713f117f7a92d9cc93e5175903910b61bfe512c41aed --- 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-38b53e6 [2022-11-26 00:13:52,608 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:13:52,612 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:13:52,644 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:13:52,645 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:13:52,650 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:13:52,654 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:13:52,658 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:13:52,661 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:13:52,670 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:13:52,672 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:13:52,674 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:13:52,674 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:13:52,676 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:13:52,677 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:13:52,678 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:13:52,679 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:13:52,680 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:13:52,682 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:13:52,684 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:13:52,686 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:13:52,687 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:13:52,689 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:13:52,690 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:13:52,694 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:13:52,695 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:13:52,695 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:13:52,696 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:13:52,697 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:13:52,698 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:13:52,698 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:13:52,699 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:13:52,700 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:13:52,701 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:13:52,702 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:13:52,703 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:13:52,703 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:13:52,704 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:13:52,704 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:13:52,705 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:13:52,706 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:13:52,708 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e851d906-b9a2-4405-8d72-cd720d7c1c9a/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-26 00:13:52,736 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:13:52,737 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:13:52,737 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:13:52,737 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:13:52,738 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:13:52,739 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:13:52,739 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:13:52,739 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:13:52,740 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:13:52,740 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:13:52,740 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:13:52,741 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:13:52,741 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:13:52,741 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:13:52,742 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:13:52,742 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:13:52,742 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:13:52,743 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:13:52,744 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:13:52,744 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-26 00:13:52,744 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:13:52,745 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-26 00:13:52,745 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:13:52,745 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:13:52,746 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:13:52,746 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:13:52,746 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-26 00:13:52,747 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:13:52,747 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:13:52,747 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:13:52,748 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:13:52,748 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:13:52,749 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:13:52,749 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:13:52,749 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:13:52,750 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:13:52,750 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:13:52,750 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:13:52,751 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:13:52,751 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:13:52,751 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:13:52,751 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_e851d906-b9a2-4405-8d72-cd720d7c1c9a/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e851d906-b9a2-4405-8d72-cd720d7c1c9a/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1447114af8a4b489e3ec713f117f7a92d9cc93e5175903910b61bfe512c41aed [2022-11-26 00:13:53,053 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:13:53,092 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:13:53,095 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:13:53,096 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:13:53,118 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:13:53,120 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e851d906-b9a2-4405-8d72-cd720d7c1c9a/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test1-2.i [2022-11-26 00:13:56,511 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:13:56,913 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:13:56,914 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e851d906-b9a2-4405-8d72-cd720d7c1c9a/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test1-2.i [2022-11-26 00:13:56,933 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e851d906-b9a2-4405-8d72-cd720d7c1c9a/bin/utaipan-ByfvJB40ur/data/7c2e21423/c14aa58e9d784eb691853ce88ecdfc36/FLAG5de61a842 [2022-11-26 00:13:56,950 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e851d906-b9a2-4405-8d72-cd720d7c1c9a/bin/utaipan-ByfvJB40ur/data/7c2e21423/c14aa58e9d784eb691853ce88ecdfc36 [2022-11-26 00:13:56,953 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:13:56,955 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:13:56,956 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:13:56,956 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:13:56,961 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:13:56,962 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:13:56" (1/1) ... [2022-11-26 00:13:56,963 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63fb7edd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:13:56, skipping insertion in model container [2022-11-26 00:13:56,964 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:13:56" (1/1) ... [2022-11-26 00:13:56,979 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:13:57,054 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:13:57,541 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_e851d906-b9a2-4405-8d72-cd720d7c1c9a/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test1-2.i[33021,33034] [2022-11-26 00:13:57,695 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:13:57,721 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 00:13:57,757 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_e851d906-b9a2-4405-8d72-cd720d7c1c9a/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test1-2.i[33021,33034] [2022-11-26 00:13:57,818 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:13:57,857 INFO L208 MainTranslator]: Completed translation [2022-11-26 00:13:57,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:13:57 WrapperNode [2022-11-26 00:13:57,857 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:13:57,859 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 00:13:57,859 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 00:13:57,859 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 00:13:57,869 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:13:57" (1/1) ... [2022-11-26 00:13:57,915 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:13:57" (1/1) ... [2022-11-26 00:13:57,975 INFO L138 Inliner]: procedures = 177, calls = 237, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 772 [2022-11-26 00:13:57,976 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 00:13:57,977 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 00:13:57,977 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 00:13:57,977 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 00:13:57,990 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:13:57" (1/1) ... [2022-11-26 00:13:57,990 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:13:57" (1/1) ... [2022-11-26 00:13:58,000 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:13:57" (1/1) ... [2022-11-26 00:13:58,001 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:13:57" (1/1) ... [2022-11-26 00:13:58,082 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:13:57" (1/1) ... [2022-11-26 00:13:58,094 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:13:57" (1/1) ... [2022-11-26 00:13:58,106 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:13:57" (1/1) ... [2022-11-26 00:13:58,118 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:13:57" (1/1) ... [2022-11-26 00:13:58,128 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 00:13:58,136 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 00:13:58,137 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 00:13:58,137 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 00:13:58,138 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:13:57" (1/1) ... [2022-11-26 00:13:58,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:13:58,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e851d906-b9a2-4405-8d72-cd720d7c1c9a/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:13:58,193 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e851d906-b9a2-4405-8d72-cd720d7c1c9a/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 00:13:58,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e851d906-b9a2-4405-8d72-cd720d7c1c9a/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 00:13:58,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-26 00:13:58,244 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-26 00:13:58,244 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-26 00:13:58,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-26 00:13:58,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-26 00:13:58,245 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-26 00:13:58,245 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-26 00:13:58,245 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 00:13:58,245 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-26 00:13:58,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-26 00:13:58,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-26 00:13:58,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 00:13:58,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-26 00:13:58,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 00:13:58,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 00:13:58,561 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 00:13:58,564 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 00:14:00,130 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 00:14:00,667 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 00:14:00,667 INFO L300 CfgBuilder]: Removed 40 assume(true) statements. [2022-11-26 00:14:00,671 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:14:00 BoogieIcfgContainer [2022-11-26 00:14:00,671 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 00:14:00,674 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 00:14:00,674 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 00:14:00,678 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 00:14:00,678 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:13:56" (1/3) ... [2022-11-26 00:14:00,679 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3691ce2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:14:00, skipping insertion in model container [2022-11-26 00:14:00,679 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:13:57" (2/3) ... [2022-11-26 00:14:00,680 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3691ce2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:14:00, skipping insertion in model container [2022-11-26 00:14:00,680 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:14:00" (3/3) ... [2022-11-26 00:14:00,681 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SFH_test1-2.i [2022-11-26 00:14:00,704 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 00:14:00,705 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-26 00:14:00,765 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 00:14:00,773 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;@67b6d4b4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 00:14:00,773 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-26 00:14:00,778 INFO L276 IsEmpty]: Start isEmpty. Operand has 95 states, 78 states have (on average 1.7820512820512822) internal successors, (139), 89 states have internal predecessors, (139), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-26 00:14:00,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-26 00:14:00,787 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:14:00,788 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:14:00,788 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:14:00,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:14:00,794 INFO L85 PathProgramCache]: Analyzing trace with hash 1188044108, now seen corresponding path program 1 times [2022-11-26 00:14:00,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:14:00,807 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949234651] [2022-11-26 00:14:00,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:14:00,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:14:00,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:14:01,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:14:01,037 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:14:01,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949234651] [2022-11-26 00:14:01,038 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1949234651] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:14:01,038 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:14:01,039 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-26 00:14:01,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242549194] [2022-11-26 00:14:01,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:14:01,047 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:14:01,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:14:01,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:14:01,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:14:01,091 INFO L87 Difference]: Start difference. First operand has 95 states, 78 states have (on average 1.7820512820512822) internal successors, (139), 89 states have internal predecessors, (139), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:14:02,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:14:02,090 INFO L93 Difference]: Finished difference Result 237 states and 426 transitions. [2022-11-26 00:14:02,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:14:02,100 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-11-26 00:14:02,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:14:02,113 INFO L225 Difference]: With dead ends: 237 [2022-11-26 00:14:02,113 INFO L226 Difference]: Without dead ends: 128 [2022-11-26 00:14:02,118 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 [2022-11-26 00:14:02,122 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 49 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-26 00:14:02,123 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 219 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-26 00:14:02,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2022-11-26 00:14:02,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 81. [2022-11-26 00:14:02,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 65 states have (on average 1.2769230769230768) internal successors, (83), 75 states have internal predecessors, (83), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-26 00:14:02,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 109 transitions. [2022-11-26 00:14:02,183 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 109 transitions. Word has length 8 [2022-11-26 00:14:02,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:14:02,184 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 109 transitions. [2022-11-26 00:14:02,184 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:14:02,184 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 109 transitions. [2022-11-26 00:14:02,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-26 00:14:02,187 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:14:02,188 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:14:02,188 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-26 00:14:02,189 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:14:02,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:14:02,190 INFO L85 PathProgramCache]: Analyzing trace with hash -1591518395, now seen corresponding path program 1 times [2022-11-26 00:14:02,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:14:02,190 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930312280] [2022-11-26 00:14:02,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:14:02,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:14:02,419 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:14:02,420 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1637519448] [2022-11-26 00:14:02,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:14:02,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:14:02,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e851d906-b9a2-4405-8d72-cd720d7c1c9a/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:14:02,427 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e851d906-b9a2-4405-8d72-cd720d7c1c9a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:14:02,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e851d906-b9a2-4405-8d72-cd720d7c1c9a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-26 00:14:03,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:14:03,315 INFO L263 TraceCheckSpWp]: Trace formula consists of 1576 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-26 00:14:03,324 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:14:03,422 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:14:03,422 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:14:03,493 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:14:03,493 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:14:03,494 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930312280] [2022-11-26 00:14:03,494 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:14:03,494 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1637519448] [2022-11-26 00:14:03,495 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1637519448] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:14:03,495 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1149242423] [2022-11-26 00:14:03,519 INFO L159 IcfgInterpreter]: Started Sifa with 31 locations of interest [2022-11-26 00:14:03,520 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:14:03,524 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:14:03,531 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:14:03,532 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:14:03,729 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-26 00:14:03,730 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 2 case distinctions, treesize of input 17 treesize of output 30 [2022-11-26 00:14:03,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:03,766 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-26 00:14:03,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:03,794 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-26 00:14:03,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:03,806 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:14:03,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:03,828 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-26 00:14:03,830 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 43 [2022-11-26 00:14:03,942 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-26 00:14:03,942 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-11-26 00:14:04,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:04,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:04,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:04,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:04,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:04,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:04,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:04,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:04,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:04,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:04,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:04,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:04,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:04,439 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-26 00:14:04,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:04,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:04,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:04,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:04,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:04,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:04,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:04,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:04,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:04,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:04,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:04,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:04,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:04,544 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-11-26 00:14:04,594 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-26 00:14:04,622 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-26 00:14:05,085 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-26 00:14:05,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:05,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:05,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:05,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:05,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:05,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:05,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:05,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:05,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:05,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:05,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:05,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:05,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:05,192 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-26 00:14:05,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:05,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:05,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:05,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:05,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:05,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:05,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:05,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:05,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:05,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:05,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:05,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:05,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:05,250 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9896988 treesize of output 5376290 [2022-11-26 00:14:05,297 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-26 00:14:05,336 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 00:14:13,521 WARN L233 SmtUtils]: Spent 5.25s on a formula simplification. DAG size of input: 219 DAG size of output: 208 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:14:21,022 WARN L233 SmtUtils]: Spent 5.35s on a formula simplification. DAG size of input: 235 DAG size of output: 224 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:14:21,029 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1149242423] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:14:21,029 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-26 00:14:21,029 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3, 3] total 11 [2022-11-26 00:14:21,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553372217] [2022-11-26 00:14:21,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:14:21,032 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-26 00:14:21,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:14:21,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-26 00:14:21,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=69, Unknown=2, NotChecked=0, Total=132 [2022-11-26 00:14:21,034 INFO L87 Difference]: Start difference. First operand 81 states and 109 transitions. Second operand has 8 states, 8 states have (on average 3.75) internal successors, (30), 7 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:14:25,143 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:14:27,214 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:14:28,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:14:28,965 INFO L93 Difference]: Finished difference Result 171 states and 229 transitions. [2022-11-26 00:14:28,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-26 00:14:28,971 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.75) internal successors, (30), 7 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2022-11-26 00:14:28,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:14:28,973 INFO L225 Difference]: With dead ends: 171 [2022-11-26 00:14:28,973 INFO L226 Difference]: Without dead ends: 92 [2022-11-26 00:14:28,974 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 16.5s TimeCoverageRelationStatistics Valid=71, Invalid=83, Unknown=2, NotChecked=0, Total=156 [2022-11-26 00:14:28,975 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 0 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:14:28,976 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 252 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 96 Invalid, 2 Unknown, 0 Unchecked, 7.1s Time] [2022-11-26 00:14:28,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2022-11-26 00:14:28,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 91. [2022-11-26 00:14:29,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 75 states have (on average 1.24) internal successors, (93), 85 states have internal predecessors, (93), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-26 00:14:29,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 119 transitions. [2022-11-26 00:14:29,002 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 119 transitions. Word has length 31 [2022-11-26 00:14:29,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:14:29,003 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 119 transitions. [2022-11-26 00:14:29,003 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.75) internal successors, (30), 7 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:14:29,003 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 119 transitions. [2022-11-26 00:14:29,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-11-26 00:14:29,005 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:14:29,005 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:14:29,016 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e851d906-b9a2-4405-8d72-cd720d7c1c9a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-26 00:14:29,215 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e851d906-b9a2-4405-8d72-cd720d7c1c9a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2022-11-26 00:14:29,216 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:14:29,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:14:29,217 INFO L85 PathProgramCache]: Analyzing trace with hash -725737884, now seen corresponding path program 1 times [2022-11-26 00:14:29,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:14:29,217 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904289741] [2022-11-26 00:14:29,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:14:29,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:14:29,287 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:14:29,288 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1422301038] [2022-11-26 00:14:29,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:14:29,288 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:14:29,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e851d906-b9a2-4405-8d72-cd720d7c1c9a/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:14:29,290 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e851d906-b9a2-4405-8d72-cd720d7c1c9a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:14:29,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e851d906-b9a2-4405-8d72-cd720d7c1c9a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-26 00:14:29,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:14:29,832 INFO L263 TraceCheckSpWp]: Trace formula consists of 713 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-26 00:14:29,835 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:14:29,974 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-26 00:14:29,975 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:14:30,145 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-26 00:14:30,146 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:14:30,146 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904289741] [2022-11-26 00:14:30,146 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:14:30,146 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1422301038] [2022-11-26 00:14:30,147 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1422301038] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:14:30,147 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1970253188] [2022-11-26 00:14:30,151 INFO L159 IcfgInterpreter]: Started Sifa with 41 locations of interest [2022-11-26 00:14:30,152 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:14:30,152 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:14:30,153 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:14:30,153 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:14:30,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:30,200 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-26 00:14:30,251 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-26 00:14:30,251 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-11-26 00:14:30,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:30,273 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:14:30,277 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 33 treesize of output 39 [2022-11-26 00:14:30,292 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-11-26 00:14:30,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:30,317 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-26 00:14:30,650 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-26 00:14:30,670 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-26 00:14:30,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:30,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:30,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:30,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:30,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:30,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:30,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:30,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:30,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:30,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:30,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:30,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:30,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:30,733 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-26 00:14:30,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:30,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:30,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:30,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:30,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:30,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:30,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:30,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:30,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:30,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:30,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:30,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:30,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:30,828 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-11-26 00:14:30,900 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-26 00:14:30,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:30,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:30,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:30,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:30,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:30,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:30,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:30,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:30,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:30,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:30,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:30,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:30,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:30,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:30,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:30,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:30,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:30,985 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-26 00:14:31,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:31,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:31,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:31,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:31,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:31,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:31,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:31,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:31,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:31,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:31,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:31,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:31,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:31,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:31,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:31,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:31,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:31,067 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-26 00:14:31,104 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-26 00:14:31,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:31,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:31,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:31,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:31,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:31,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:31,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:31,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:31,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:31,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:31,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:31,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:31,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:31,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:31,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:31,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:31,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:31,187 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-26 00:14:31,227 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-26 00:14:31,260 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-26 00:14:31,340 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-26 00:14:31,341 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 28 treesize of output 66 [2022-11-26 00:14:31,438 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-26 00:14:31,439 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 44 treesize of output 77 [2022-11-26 00:14:32,489 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-26 00:14:32,510 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-26 00:14:32,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:32,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:32,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:32,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:32,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:32,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:32,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:32,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:32,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:32,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:32,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:32,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:32,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:32,565 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-26 00:14:32,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:32,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:32,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:32,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:32,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:32,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:32,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:32,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:32,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:32,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:32,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:32,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:32,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:32,612 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9896988 treesize of output 5376290 [2022-11-26 00:14:32,681 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-26 00:14:32,694 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-26 00:14:32,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:32,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:32,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:32,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:32,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:32,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:32,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:32,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:32,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:32,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:32,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:32,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:32,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:32,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:32,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:32,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:32,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:32,771 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9897003 treesize of output 5376293 [2022-11-26 00:14:32,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:32,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:32,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:32,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:32,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:32,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:32,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:32,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:32,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:32,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:32,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:32,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:32,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:32,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:32,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:32,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:32,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:32,836 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9897003 treesize of output 5376293 [2022-11-26 00:14:32,918 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-26 00:14:32,947 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-26 00:14:33,029 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-26 00:14:33,029 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 28 treesize of output 66 [2022-11-26 00:14:33,136 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-26 00:14:33,136 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 44 treesize of output 77 [2022-11-26 00:14:33,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:33,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:33,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:33,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:33,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:33,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:33,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:33,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:33,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:33,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:33,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:33,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:33,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:33,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:33,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:33,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:33,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:33,224 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-26 00:14:33,338 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 241 for LOIs [2022-11-26 00:14:33,456 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 00:14:41,870 WARN L233 SmtUtils]: Spent 5.38s on a formula simplification. DAG size of input: 219 DAG size of output: 208 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:14:49,299 WARN L233 SmtUtils]: Spent 5.27s on a formula simplification. DAG size of input: 235 DAG size of output: 224 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:14:59,829 WARN L233 SmtUtils]: Spent 6.37s on a formula simplification. DAG size of input: 246 DAG size of output: 236 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:15:14,655 WARN L233 SmtUtils]: Spent 8.65s on a formula simplification. DAG size of input: 268 DAG size of output: 250 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:15:28,545 WARN L233 SmtUtils]: Spent 7.69s on a formula simplification. DAG size of input: 268 DAG size of output: 250 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:15:29,430 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1970253188] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:15:29,431 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-26 00:15:29,431 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4] total 17 [2022-11-26 00:15:29,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946862313] [2022-11-26 00:15:29,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:15:29,432 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-26 00:15:29,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:15:29,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-26 00:15:29,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=172, Unknown=10, NotChecked=0, Total=272 [2022-11-26 00:15:29,434 INFO L87 Difference]: Start difference. First operand 91 states and 119 transitions. Second operand has 13 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 11 states have internal predecessors, (37), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-26 00:15:35,484 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:15:37,666 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:15:39,724 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:15:41,812 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:15:43,833 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:15:45,865 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:15:47,909 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:15:49,937 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:15:51,951 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:15:58,613 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:15:59,679 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:16:02,039 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:16:04,050 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:16:06,783 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:16:06,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:16:06,786 INFO L93 Difference]: Finished difference Result 175 states and 234 transitions. [2022-11-26 00:16:06,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-26 00:16:06,794 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 11 states have internal predecessors, (37), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 44 [2022-11-26 00:16:06,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:16:06,796 INFO L225 Difference]: With dead ends: 175 [2022-11-26 00:16:06,796 INFO L226 Difference]: Without dead ends: 96 [2022-11-26 00:16:06,797 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 113 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 59.1s TimeCoverageRelationStatistics Valid=100, Invalid=196, Unknown=10, NotChecked=0, Total=306 [2022-11-26 00:16:06,798 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 0 mSDsluCounter, 560 mSDsCounter, 0 mSdLazyCounter, 343 mSolverCounterSat, 1 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 652 SdHoareTripleChecker+Invalid, 354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 343 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:16:06,798 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 652 Invalid, 354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 343 Invalid, 10 Unknown, 0 Unchecked, 34.2s Time] [2022-11-26 00:16:06,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2022-11-26 00:16:06,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2022-11-26 00:16:06,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 79 states have (on average 1.2278481012658229) internal successors, (97), 89 states have internal predecessors, (97), 14 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (14), 4 states have call predecessors, (14), 14 states have call successors, (14) [2022-11-26 00:16:06,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 125 transitions. [2022-11-26 00:16:06,833 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 125 transitions. Word has length 44 [2022-11-26 00:16:06,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:16:06,833 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 125 transitions. [2022-11-26 00:16:06,833 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 11 states have internal predecessors, (37), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-26 00:16:06,833 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 125 transitions. [2022-11-26 00:16:06,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-26 00:16:06,835 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:16:06,835 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:16:06,844 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e851d906-b9a2-4405-8d72-cd720d7c1c9a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-11-26 00:16:07,042 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e851d906-b9a2-4405-8d72-cd720d7c1c9a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:16:07,043 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:16:07,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:16:07,043 INFO L85 PathProgramCache]: Analyzing trace with hash 1505724306, now seen corresponding path program 1 times [2022-11-26 00:16:07,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:16:07,043 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073951046] [2022-11-26 00:16:07,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:16:07,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:16:07,097 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:16:07,098 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1110148169] [2022-11-26 00:16:07,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:16:07,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:16:07,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e851d906-b9a2-4405-8d72-cd720d7c1c9a/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:16:07,099 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e851d906-b9a2-4405-8d72-cd720d7c1c9a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:16:07,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e851d906-b9a2-4405-8d72-cd720d7c1c9a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-26 00:16:07,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:16:07,579 INFO L263 TraceCheckSpWp]: Trace formula consists of 728 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-26 00:16:07,582 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:16:07,659 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-26 00:16:07,659 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:16:07,739 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-26 00:16:07,740 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:16:07,740 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073951046] [2022-11-26 00:16:07,740 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:16:07,740 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1110148169] [2022-11-26 00:16:07,740 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1110148169] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:16:07,740 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1985453394] [2022-11-26 00:16:07,743 INFO L159 IcfgInterpreter]: Started Sifa with 41 locations of interest [2022-11-26 00:16:07,743 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:16:07,745 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:16:07,746 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:16:07,746 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:16:07,810 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-26 00:16:07,810 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-11-26 00:16:07,821 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-11-26 00:16:07,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:16:07,836 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:16:07,837 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 33 treesize of output 39 [2022-11-26 00:16:07,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:16:07,855 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-26 00:16:07,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:16:07,870 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-26 00:16:08,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:16:08,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:16:08,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:16:08,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:16:08,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:16:08,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:16:08,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:16:08,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:16:08,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:16:08,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:16:08,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:16:08,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:16:08,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:16:08,189 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-26 00:16:08,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:16:08,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:16:08,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:16:08,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:16:08,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:16:08,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:16:08,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:16:08,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:16:08,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:16:08,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:16:08,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:16:08,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:16:08,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:16:08,233 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9896988 treesize of output 5376290 [2022-11-26 00:16:08,265 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-26 00:16:08,281 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-26 00:16:08,314 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-26 00:16:08,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:16:08,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:16:08,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:16:08,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:16:08,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:16:08,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:16:08,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:16:08,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:16:08,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:16:08,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:16:08,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:16:08,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:16:08,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:16:08,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:16:08,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:16:08,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:16:08,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:16:08,372 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-26 00:16:08,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:16:08,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:16:08,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:16:08,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:16:08,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:16:08,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:16:08,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:16:08,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:16:08,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:16:08,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:16:08,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:16:08,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:16:08,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:16:08,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:16:08,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:16:08,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:16:08,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:16:08,418 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-26 00:16:08,445 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-26 00:16:08,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:16:08,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:16:08,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:16:08,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:16:08,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:16:08,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:16:08,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:16:08,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:16:08,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:16:08,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:16:08,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:16:08,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:16:08,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:16:08,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:16:08,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:16:08,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:16:08,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:16:08,509 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-26 00:16:08,543 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-26 00:16:08,568 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-26 00:16:08,645 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-26 00:16:08,646 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 44 treesize of output 77 [2022-11-26 00:16:08,664 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 36 [2022-11-26 00:16:08,857 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 13 treesize of output 9 [2022-11-26 00:16:08,862 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 11 treesize of output 7 [2022-11-26 00:16:08,868 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 11 treesize of output 7 [2022-11-26 00:16:08,913 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-26 00:16:08,914 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 51 treesize of output 54 [2022-11-26 00:16:08,947 INFO L321 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2022-11-26 00:16:08,947 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 49 treesize of output 52 [2022-11-26 00:16:08,976 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-26 00:16:08,976 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 43 treesize of output 46 [2022-11-26 00:16:09,019 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 14 treesize of output 10 [2022-11-26 00:16:09,025 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 [2022-11-26 00:16:09,031 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 14 treesize of output 10 [2022-11-26 00:16:09,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:16:09,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:16:09,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:16:09,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:16:09,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:16:09,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:16:09,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:16:09,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:16:09,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:16:09,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:16:09,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:16:09,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:16:09,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:16:09,113 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 25 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075032 treesize of output 5376218 [2022-11-26 00:16:09,144 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-11-26 00:16:09,162 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-11-26 00:16:09,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:16:09,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:16:09,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:16:09,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:16:09,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:16:09,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:16:09,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:16:09,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:16:09,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:16:09,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:16:09,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:16:09,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:16:09,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:16:09,327 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 25 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075032 treesize of output 5376218 [2022-11-26 00:16:09,344 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-11-26 00:16:09,360 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-11-26 00:16:10,443 INFO L217 Elim1Store]: Index analysis took 698 ms [2022-11-26 00:16:14,987 INFO L321 Elim1Store]: treesize reduction 96, result has 17.9 percent of original size [2022-11-26 00:16:14,988 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 10752658 treesize of output 10752661 [2022-11-26 00:16:16,896 INFO L217 Elim1Store]: Index analysis took 1759 ms [2022-11-26 00:16:27,501 WARN L233 SmtUtils]: Spent 10.60s on a formula simplification. DAG size of input: 78 DAG size of output: 18 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-26 00:16:27,501 INFO L321 Elim1Store]: treesize reduction 144, result has 12.7 percent of original size [2022-11-26 00:16:27,502 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 10752663 treesize of output 10752665 [2022-11-26 00:16:43,156 WARN L233 SmtUtils]: Spent 15.61s on a formula simplification. DAG size of input: 67 DAG size of output: 32 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-26 00:16:43,156 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-11-26 00:16:43,157 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1986 treesize of output 1476 [2022-11-26 00:17:12,175 WARN L233 SmtUtils]: Spent 28.87s on a formula simplification. DAG size of input: 90 DAG size of output: 45 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-26 00:17:12,176 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-11-26 00:17:12,176 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2005 treesize of output 1834 [2022-11-26 00:17:13,118 INFO L217 Elim1Store]: Index analysis took 700 ms [2022-11-26 00:17:43,985 WARN L233 SmtUtils]: Spent 30.29s on a formula simplification. DAG size of input: 249 DAG size of output: 147 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-26 00:17:43,987 INFO L321 Elim1Store]: treesize reduction 2466, result has 32.0 percent of original size [2022-11-26 00:17:43,987 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 1606 treesize of output 2097 [2022-11-26 00:17:45,396 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:17:45,398 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 90 treesize of output 69 [2022-11-26 00:17:45,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:17:45,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:17:45,708 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:17:45,709 INFO L217 Elim1Store]: Index analysis took 107 ms [2022-11-26 00:17:45,710 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 55 [2022-11-26 00:20:55,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:55,098 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 17 treesize of output 11 [2022-11-26 00:20:55,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:55,334 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 17 treesize of output 11 [2022-11-26 00:24:34,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:34,680 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 17 treesize of output 11 [2022-11-26 00:24:34,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:34,873 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 17 treesize of output 11