./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test4-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9380358-8472-4457-a66f-c09af2e15ec4/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9380358-8472-4457-a66f-c09af2e15ec4/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_b9380358-8472-4457-a66f-c09af2e15ec4/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9380358-8472-4457-a66f-c09af2e15ec4/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test4-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9380358-8472-4457-a66f-c09af2e15ec4/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9380358-8472-4457-a66f-c09af2e15ec4/bin/utaipan-ByfvJB40ur --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b9bf0bad0cbe69b5d3c479fc9571d5ea3a755c149f856a4942bf9e49854dfec3 --- 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 00:24:57,668 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:24:57,670 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:24:57,699 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:24:57,699 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:24:57,704 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:24:57,706 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:24:57,710 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:24:57,712 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:24:57,719 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:24:57,722 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:24:57,724 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:24:57,725 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:24:57,728 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:24:57,729 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:24:57,731 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:24:57,733 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:24:57,734 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:24:57,737 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:24:57,745 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:24:57,747 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:24:57,749 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:24:57,751 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:24:57,752 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:24:57,757 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:24:57,757 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:24:57,758 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:24:57,760 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:24:57,761 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:24:57,762 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:24:57,763 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:24:57,764 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:24:57,766 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:24:57,768 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:24:57,769 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:24:57,769 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:24:57,770 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:24:57,770 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:24:57,771 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:24:57,771 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:24:57,772 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:24:57,773 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9380358-8472-4457-a66f-c09af2e15ec4/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-26 00:24:57,821 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:24:57,821 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:24:57,822 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:24:57,822 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:24:57,823 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:24:57,823 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:24:57,824 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:24:57,824 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:24:57,824 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:24:57,824 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:24:57,826 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:24:57,826 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:24:57,826 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:24:57,827 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:24:57,827 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:24:57,827 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:24:57,827 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:24:57,828 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:24:57,828 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:24:57,829 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-26 00:24:57,829 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-26 00:24:57,829 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:24:57,829 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-26 00:24:57,830 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:24:57,830 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:24:57,830 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:24:57,831 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:24:57,831 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-26 00:24:57,832 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-26 00:24:57,832 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:24:57,832 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:24:57,833 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:24:57,834 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:24:57,834 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:24:57,835 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:24:57,835 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:24:57,835 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:24:57,835 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:24:57,836 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:24:57,836 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:24:57,836 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:24:57,836 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:24:57,837 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:24:57,837 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_b9380358-8472-4457-a66f-c09af2e15ec4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9380358-8472-4457-a66f-c09af2e15ec4/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b9bf0bad0cbe69b5d3c479fc9571d5ea3a755c149f856a4942bf9e49854dfec3 [2022-11-26 00:24:58,109 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:24:58,157 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:24:58,159 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:24:58,161 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:24:58,161 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:24:58,163 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9380358-8472-4457-a66f-c09af2e15ec4/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test4-1.i [2022-11-26 00:25:01,317 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:25:01,631 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:25:01,632 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9380358-8472-4457-a66f-c09af2e15ec4/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test4-1.i [2022-11-26 00:25:01,646 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9380358-8472-4457-a66f-c09af2e15ec4/bin/utaipan-ByfvJB40ur/data/d724416d4/10793528a3e44b168b06d9f5b68173df/FLAG16877b1c3 [2022-11-26 00:25:01,662 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9380358-8472-4457-a66f-c09af2e15ec4/bin/utaipan-ByfvJB40ur/data/d724416d4/10793528a3e44b168b06d9f5b68173df [2022-11-26 00:25:01,665 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:25:01,666 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:25:01,668 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:25:01,668 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:25:01,672 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:25:01,673 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:25:01" (1/1) ... [2022-11-26 00:25:01,674 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b4da838 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:01, skipping insertion in model container [2022-11-26 00:25:01,674 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:25:01" (1/1) ... [2022-11-26 00:25:01,682 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:25:01,741 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:25:02,256 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_b9380358-8472-4457-a66f-c09af2e15ec4/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test4-1.i[33021,33034] [2022-11-26 00:25:02,379 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:25:02,391 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 00:25:02,420 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_b9380358-8472-4457-a66f-c09af2e15ec4/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test4-1.i[33021,33034] [2022-11-26 00:25:02,606 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:25:02,654 INFO L208 MainTranslator]: Completed translation [2022-11-26 00:25:02,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:02 WrapperNode [2022-11-26 00:25:02,655 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:25:02,657 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 00:25:02,657 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 00:25:02,657 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 00:25:02,666 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:02" (1/1) ... [2022-11-26 00:25:02,726 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:02" (1/1) ... [2022-11-26 00:25:02,830 INFO L138 Inliner]: procedures = 177, calls = 349, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1151 [2022-11-26 00:25:02,831 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 00:25:02,832 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 00:25:02,833 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 00:25:02,833 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 00:25:02,845 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:02" (1/1) ... [2022-11-26 00:25:02,845 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:02" (1/1) ... [2022-11-26 00:25:02,867 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:02" (1/1) ... [2022-11-26 00:25:02,874 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:02" (1/1) ... [2022-11-26 00:25:02,962 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:02" (1/1) ... [2022-11-26 00:25:02,986 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:02" (1/1) ... [2022-11-26 00:25:02,996 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:02" (1/1) ... [2022-11-26 00:25:03,013 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:02" (1/1) ... [2022-11-26 00:25:03,025 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 00:25:03,029 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 00:25:03,030 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 00:25:03,030 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 00:25:03,031 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:02" (1/1) ... [2022-11-26 00:25:03,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:25:03,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9380358-8472-4457-a66f-c09af2e15ec4/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:25:03,066 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9380358-8472-4457-a66f-c09af2e15ec4/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 00:25:03,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9380358-8472-4457-a66f-c09af2e15ec4/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 00:25:03,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-26 00:25:03,112 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-26 00:25:03,112 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-26 00:25:03,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-26 00:25:03,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-26 00:25:03,112 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-26 00:25:03,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-26 00:25:03,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 00:25:03,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-26 00:25:03,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-26 00:25:03,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-26 00:25:03,113 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 00:25:03,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-26 00:25:03,114 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 00:25:03,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 00:25:03,410 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 00:25:03,412 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 00:25:05,130 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 00:25:05,663 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 00:25:05,663 INFO L300 CfgBuilder]: Removed 60 assume(true) statements. [2022-11-26 00:25:05,666 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:25:05 BoogieIcfgContainer [2022-11-26 00:25:05,666 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 00:25:05,669 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 00:25:05,669 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 00:25:05,672 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 00:25:05,673 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:25:01" (1/3) ... [2022-11-26 00:25:05,673 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11374a58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:25:05, skipping insertion in model container [2022-11-26 00:25:05,674 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:02" (2/3) ... [2022-11-26 00:25:05,674 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11374a58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:25:05, skipping insertion in model container [2022-11-26 00:25:05,674 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:25:05" (3/3) ... [2022-11-26 00:25:05,676 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SFH_test4-1.i [2022-11-26 00:25:05,695 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 00:25:05,695 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-11-26 00:25:05,743 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 00:25:05,750 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;@2b141745, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 00:25:05,750 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-11-26 00:25:05,755 INFO L276 IsEmpty]: Start isEmpty. Operand has 135 states, 110 states have (on average 1.809090909090909) internal successors, (199), 126 states have internal predecessors, (199), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2022-11-26 00:25:05,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-26 00:25:05,762 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:25:05,762 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-11-26 00:25:05,763 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-26 00:25:05,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:25:05,768 INFO L85 PathProgramCache]: Analyzing trace with hash 880023, now seen corresponding path program 1 times [2022-11-26 00:25:05,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:25:05,779 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559495334] [2022-11-26 00:25:05,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:25:05,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:25:05,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:25:05,942 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 00:25:05,943 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:25:05,943 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559495334] [2022-11-26 00:25:05,944 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1559495334] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:25:05,944 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:25:05,945 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-26 00:25:05,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565202395] [2022-11-26 00:25:05,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:25:05,951 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-26 00:25:05,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:25:05,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-26 00:25:05,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-26 00:25:05,988 INFO L87 Difference]: Start difference. First operand has 135 states, 110 states have (on average 1.809090909090909) internal successors, (199), 126 states have internal predecessors, (199), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:25:06,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:25:06,916 INFO L93 Difference]: Finished difference Result 268 states and 461 transitions. [2022-11-26 00:25:06,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-26 00:25:06,922 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2022-11-26 00:25:06,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:25:06,932 INFO L225 Difference]: With dead ends: 268 [2022-11-26 00:25:06,932 INFO L226 Difference]: Without dead ends: 133 [2022-11-26 00:25:06,938 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-26 00:25:06,941 INFO L413 NwaCegarLoop]: 153 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-26 00:25:06,942 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 153 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-26 00:25:06,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2022-11-26 00:25:06,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2022-11-26 00:25:06,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 110 states have (on average 1.2454545454545454) internal successors, (137), 124 states have internal predecessors, (137), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2022-11-26 00:25:06,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 169 transitions. [2022-11-26 00:25:06,991 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 169 transitions. Word has length 3 [2022-11-26 00:25:06,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:25:06,992 INFO L495 AbstractCegarLoop]: Abstraction has 133 states and 169 transitions. [2022-11-26 00:25:06,992 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:25:06,992 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 169 transitions. [2022-11-26 00:25:06,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-26 00:25:06,993 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:25:06,993 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-26 00:25:06,993 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-26 00:25:06,993 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-26 00:25:06,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:25:06,994 INFO L85 PathProgramCache]: Analyzing trace with hash 27280772, now seen corresponding path program 1 times [2022-11-26 00:25:06,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:25:06,995 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981351551] [2022-11-26 00:25:06,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:25:06,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:25:07,015 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:25:07,016 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1063256089] [2022-11-26 00:25:07,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:25:07,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:25:07,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9380358-8472-4457-a66f-c09af2e15ec4/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:25:07,020 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9380358-8472-4457-a66f-c09af2e15ec4/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:25:07,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9380358-8472-4457-a66f-c09af2e15ec4/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-26 00:25:07,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:25:07,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-26 00:25:07,260 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:25:07,288 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 00:25:07,289 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:25:07,289 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:25:07,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981351551] [2022-11-26 00:25:07,291 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:25:07,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1063256089] [2022-11-26 00:25:07,298 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1063256089] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:25:07,299 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:25:07,299 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-26 00:25:07,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947956201] [2022-11-26 00:25:07,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:25:07,303 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:25:07,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:25:07,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:25:07,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:25:07,309 INFO L87 Difference]: Start difference. First operand 133 states and 169 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:25:10,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:25:10,576 INFO L93 Difference]: Finished difference Result 262 states and 334 transitions. [2022-11-26 00:25:10,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:25:10,581 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-11-26 00:25:10,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:25:10,583 INFO L225 Difference]: With dead ends: 262 [2022-11-26 00:25:10,584 INFO L226 Difference]: Without dead ends: 233 [2022-11-26 00:25:10,584 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:25:10,586 INFO L413 NwaCegarLoop]: 177 mSDtfsCounter, 101 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:25:10,586 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 326 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-11-26 00:25:10,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2022-11-26 00:25:10,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 136. [2022-11-26 00:25:10,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 113 states have (on average 1.238938053097345) internal successors, (140), 127 states have internal predecessors, (140), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2022-11-26 00:25:10,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 172 transitions. [2022-11-26 00:25:10,605 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 172 transitions. Word has length 4 [2022-11-26 00:25:10,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:25:10,606 INFO L495 AbstractCegarLoop]: Abstraction has 136 states and 172 transitions. [2022-11-26 00:25:10,606 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:25:10,606 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 172 transitions. [2022-11-26 00:25:10,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-11-26 00:25:10,608 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:25:10,608 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:25:10,614 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9380358-8472-4457-a66f-c09af2e15ec4/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-26 00:25:10,814 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9380358-8472-4457-a66f-c09af2e15ec4/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:25:10,815 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-26 00:25:10,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:25:10,815 INFO L85 PathProgramCache]: Analyzing trace with hash -399352896, now seen corresponding path program 1 times [2022-11-26 00:25:10,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:25:10,816 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864986701] [2022-11-26 00:25:10,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:25:10,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:25:11,137 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:25:11,138 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1344763088] [2022-11-26 00:25:11,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:25:11,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:25:11,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9380358-8472-4457-a66f-c09af2e15ec4/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:25:11,148 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9380358-8472-4457-a66f-c09af2e15ec4/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:25:11,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9380358-8472-4457-a66f-c09af2e15ec4/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-26 00:25:12,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:25:12,433 INFO L263 TraceCheckSpWp]: Trace formula consists of 3028 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-26 00:25:12,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:25:12,559 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 00:25:12,559 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:25:12,559 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:25:12,559 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864986701] [2022-11-26 00:25:12,560 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:25:12,560 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1344763088] [2022-11-26 00:25:12,560 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1344763088] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:25:12,560 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:25:12,560 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-26 00:25:12,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434145444] [2022-11-26 00:25:12,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:25:12,561 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:25:12,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:25:12,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:25:12,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:25:12,562 INFO L87 Difference]: Start difference. First operand 136 states and 172 transitions. Second operand has 4 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:25:14,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:25:14,347 INFO L93 Difference]: Finished difference Result 136 states and 172 transitions. [2022-11-26 00:25:14,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:25:14,352 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 48 [2022-11-26 00:25:14,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:25:14,353 INFO L225 Difference]: With dead ends: 136 [2022-11-26 00:25:14,353 INFO L226 Difference]: Without dead ends: 135 [2022-11-26 00:25:14,354 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:25:14,355 INFO L413 NwaCegarLoop]: 145 mSDtfsCounter, 87 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 308 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-11-26 00:25:14,355 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 308 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-11-26 00:25:14,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2022-11-26 00:25:14,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2022-11-26 00:25:14,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 113 states have (on average 1.2300884955752212) internal successors, (139), 126 states have internal predecessors, (139), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2022-11-26 00:25:14,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 171 transitions. [2022-11-26 00:25:14,373 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 171 transitions. Word has length 48 [2022-11-26 00:25:14,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:25:14,374 INFO L495 AbstractCegarLoop]: Abstraction has 135 states and 171 transitions. [2022-11-26 00:25:14,374 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:25:14,374 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 171 transitions. [2022-11-26 00:25:14,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-11-26 00:25:14,376 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:25:14,376 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:25:14,387 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9380358-8472-4457-a66f-c09af2e15ec4/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-11-26 00:25:14,586 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9380358-8472-4457-a66f-c09af2e15ec4/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-11-26 00:25:14,587 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-26 00:25:14,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:25:14,587 INFO L85 PathProgramCache]: Analyzing trace with hash 504962863, now seen corresponding path program 1 times [2022-11-26 00:25:14,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:25:14,587 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724073668] [2022-11-26 00:25:14,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:25:14,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:25:14,961 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:25:14,966 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1654940513] [2022-11-26 00:25:14,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:25:14,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:25:14,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9380358-8472-4457-a66f-c09af2e15ec4/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:25:14,968 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9380358-8472-4457-a66f-c09af2e15ec4/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:25:14,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9380358-8472-4457-a66f-c09af2e15ec4/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-26 00:25:16,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:25:16,464 INFO L263 TraceCheckSpWp]: Trace formula consists of 3029 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-26 00:25:16,471 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:25:16,598 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 00:25:16,598 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:25:16,599 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:25:16,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724073668] [2022-11-26 00:25:16,599 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:25:16,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1654940513] [2022-11-26 00:25:16,599 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1654940513] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:25:16,599 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:25:16,600 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-26 00:25:16,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200114436] [2022-11-26 00:25:16,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:25:16,600 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:25:16,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:25:16,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:25:16,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:25:16,601 INFO L87 Difference]: Start difference. First operand 135 states and 171 transitions. Second operand has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:25:19,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:25:19,548 INFO L93 Difference]: Finished difference Result 231 states and 283 transitions. [2022-11-26 00:25:19,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:25:19,553 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49 [2022-11-26 00:25:19,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:25:19,555 INFO L225 Difference]: With dead ends: 231 [2022-11-26 00:25:19,555 INFO L226 Difference]: Without dead ends: 230 [2022-11-26 00:25:19,556 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:25:19,557 INFO L413 NwaCegarLoop]: 156 mSDtfsCounter, 56 mSDsluCounter, 302 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 458 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-11-26 00:25:19,557 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 458 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-11-26 00:25:19,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2022-11-26 00:25:19,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 230. [2022-11-26 00:25:19,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 202 states have (on average 1.1782178217821782) internal successors, (238), 215 states have internal predecessors, (238), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 13 states have call predecessors, (22), 22 states have call successors, (22) [2022-11-26 00:25:19,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 282 transitions. [2022-11-26 00:25:19,583 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 282 transitions. Word has length 49 [2022-11-26 00:25:19,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:25:19,584 INFO L495 AbstractCegarLoop]: Abstraction has 230 states and 282 transitions. [2022-11-26 00:25:19,584 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:25:19,584 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 282 transitions. [2022-11-26 00:25:19,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-26 00:25:19,586 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:25:19,586 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, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:25:19,607 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9380358-8472-4457-a66f-c09af2e15ec4/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-26 00:25:19,786 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9380358-8472-4457-a66f-c09af2e15ec4/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:25:19,786 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-26 00:25:19,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:25:19,787 INFO L85 PathProgramCache]: Analyzing trace with hash -1920840727, now seen corresponding path program 1 times [2022-11-26 00:25:19,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:25:19,787 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832163387] [2022-11-26 00:25:19,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:25:19,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:25:20,076 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:25:20,081 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [146656354] [2022-11-26 00:25:20,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:25:20,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:25:20,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9380358-8472-4457-a66f-c09af2e15ec4/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:25:20,083 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9380358-8472-4457-a66f-c09af2e15ec4/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:25:20,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9380358-8472-4457-a66f-c09af2e15ec4/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-26 00:25:21,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:25:21,763 INFO L263 TraceCheckSpWp]: Trace formula consists of 3059 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-26 00:25:21,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:25:21,984 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:25:21,985 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:25:21,985 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:25:21,985 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832163387] [2022-11-26 00:25:21,985 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:25:21,985 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [146656354] [2022-11-26 00:25:21,985 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [146656354] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:25:21,985 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:25:21,986 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-26 00:25:21,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204937774] [2022-11-26 00:25:21,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:25:21,986 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:25:21,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:25:21,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:25:21,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:25:21,988 INFO L87 Difference]: Start difference. First operand 230 states and 282 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 2 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:25:24,204 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 00:25:25,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:25:25,450 INFO L93 Difference]: Finished difference Result 414 states and 510 transitions. [2022-11-26 00:25:25,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:25:25,454 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 2 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2022-11-26 00:25:25,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:25:25,456 INFO L225 Difference]: With dead ends: 414 [2022-11-26 00:25:25,456 INFO L226 Difference]: Without dead ends: 256 [2022-11-26 00:25:25,457 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 50 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 00:25:25,459 INFO L413 NwaCegarLoop]: 154 mSDtfsCounter, 37 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:25:25,459 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 292 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 35 Invalid, 1 Unknown, 0 Unchecked, 3.4s Time] [2022-11-26 00:25:25,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2022-11-26 00:25:25,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 253. [2022-11-26 00:25:25,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 225 states have (on average 1.1733333333333333) internal successors, (264), 238 states have internal predecessors, (264), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 13 states have call predecessors, (22), 22 states have call successors, (22) [2022-11-26 00:25:25,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 308 transitions. [2022-11-26 00:25:25,489 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 308 transitions. Word has length 52 [2022-11-26 00:25:25,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:25:25,489 INFO L495 AbstractCegarLoop]: Abstraction has 253 states and 308 transitions. [2022-11-26 00:25:25,490 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 2 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:25:25,490 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 308 transitions. [2022-11-26 00:25:25,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-11-26 00:25:25,492 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:25:25,492 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:25:25,508 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9380358-8472-4457-a66f-c09af2e15ec4/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-26 00:25:25,692 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9380358-8472-4457-a66f-c09af2e15ec4/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:25:25,693 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-26 00:25:25,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:25:25,693 INFO L85 PathProgramCache]: Analyzing trace with hash 382789705, now seen corresponding path program 1 times [2022-11-26 00:25:25,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:25:25,693 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738330099] [2022-11-26 00:25:25,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:25:25,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:25:25,901 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:25:25,902 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [388726850] [2022-11-26 00:25:25,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:25:25,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:25:25,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9380358-8472-4457-a66f-c09af2e15ec4/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:25:25,908 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9380358-8472-4457-a66f-c09af2e15ec4/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:25:25,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9380358-8472-4457-a66f-c09af2e15ec4/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-26 00:25:27,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:25:27,544 INFO L263 TraceCheckSpWp]: Trace formula consists of 2196 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-26 00:25:27,549 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:25:27,694 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-26 00:25:27,694 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:25:27,694 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:25:27,694 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738330099] [2022-11-26 00:25:27,695 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:25:27,695 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [388726850] [2022-11-26 00:25:27,695 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [388726850] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:25:27,695 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:25:27,695 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-26 00:25:27,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540911311] [2022-11-26 00:25:27,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:25:27,696 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:25:27,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:25:27,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:25:27,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:25:27,698 INFO L87 Difference]: Start difference. First operand 253 states and 308 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 2 states have internal predecessors, (59), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-26 00:25:30,556 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:25:30,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:25:30,556 INFO L93 Difference]: Finished difference Result 478 states and 584 transitions. [2022-11-26 00:25:30,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:25:30,563 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 2 states have internal predecessors, (59), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 65 [2022-11-26 00:25:30,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:25:30,565 INFO L225 Difference]: With dead ends: 478 [2022-11-26 00:25:30,565 INFO L226 Difference]: Without dead ends: 251 [2022-11-26 00:25:30,566 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 63 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 00:25:30,567 INFO L413 NwaCegarLoop]: 151 mSDtfsCounter, 11 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-11-26 00:25:30,567 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 289 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-11-26 00:25:30,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2022-11-26 00:25:30,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 251. [2022-11-26 00:25:30,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 223 states have (on average 1.1704035874439462) internal successors, (261), 236 states have internal predecessors, (261), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 13 states have call predecessors, (22), 22 states have call successors, (22) [2022-11-26 00:25:30,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 305 transitions. [2022-11-26 00:25:30,584 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 305 transitions. Word has length 65 [2022-11-26 00:25:30,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:25:30,584 INFO L495 AbstractCegarLoop]: Abstraction has 251 states and 305 transitions. [2022-11-26 00:25:30,584 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 2 states have internal predecessors, (59), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-26 00:25:30,585 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 305 transitions. [2022-11-26 00:25:30,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-11-26 00:25:30,587 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:25:30,587 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:25:30,603 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9380358-8472-4457-a66f-c09af2e15ec4/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-26 00:25:30,800 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9380358-8472-4457-a66f-c09af2e15ec4/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:25:30,801 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-26 00:25:30,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:25:30,802 INFO L85 PathProgramCache]: Analyzing trace with hash -671223932, now seen corresponding path program 1 times [2022-11-26 00:25:30,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:25:30,802 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945724149] [2022-11-26 00:25:30,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:25:30,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:25:30,895 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:25:30,895 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1303915470] [2022-11-26 00:25:30,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:25:30,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:25:30,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9380358-8472-4457-a66f-c09af2e15ec4/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:25:30,897 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9380358-8472-4457-a66f-c09af2e15ec4/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:25:30,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9380358-8472-4457-a66f-c09af2e15ec4/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-26 00:28:46,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:28:46,744 INFO L263 TraceCheckSpWp]: Trace formula consists of 1333 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-26 00:28:46,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:28:46,779 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-26 00:28:46,779 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:28:46,780 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:28:46,780 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945724149] [2022-11-26 00:28:46,780 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:28:46,780 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1303915470] [2022-11-26 00:28:46,780 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1303915470] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:28:46,780 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:28:46,781 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:28:46,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113974896] [2022-11-26 00:28:46,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:28:46,781 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:28:46,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:28:46,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:28:46,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:28:46,783 INFO L87 Difference]: Start difference. First operand 251 states and 305 transitions. Second operand has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-26 00:28:48,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:28:48,648 INFO L93 Difference]: Finished difference Result 491 states and 611 transitions. [2022-11-26 00:28:48,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 00:28:48,652 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 78 [2022-11-26 00:28:48,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:28:48,654 INFO L225 Difference]: With dead ends: 491 [2022-11-26 00:28:48,654 INFO L226 Difference]: Without dead ends: 247 [2022-11-26 00:28:48,655 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-26 00:28:48,656 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 127 mSDsluCounter, 314 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 464 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-11-26 00:28:48,656 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 464 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-11-26 00:28:48,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2022-11-26 00:28:48,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 247. [2022-11-26 00:28:48,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 218 states have (on average 1.1697247706422018) internal successors, (255), 232 states have internal predecessors, (255), 22 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (26), 13 states have call predecessors, (26), 22 states have call successors, (26) [2022-11-26 00:28:48,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 303 transitions. [2022-11-26 00:28:48,676 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 303 transitions. Word has length 78 [2022-11-26 00:28:48,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:28:48,676 INFO L495 AbstractCegarLoop]: Abstraction has 247 states and 303 transitions. [2022-11-26 00:28:48,677 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-26 00:28:48,677 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 303 transitions. [2022-11-26 00:28:48,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-11-26 00:28:48,681 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:28:48,681 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:28:48,754 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9380358-8472-4457-a66f-c09af2e15ec4/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-26 00:28:48,895 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9380358-8472-4457-a66f-c09af2e15ec4/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:28:48,895 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-26 00:28:48,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:28:48,896 INFO L85 PathProgramCache]: Analyzing trace with hash 228506376, now seen corresponding path program 1 times [2022-11-26 00:28:48,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:28:48,896 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162995066] [2022-11-26 00:28:48,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:28:48,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:28:48,996 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:28:48,997 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1329901802] [2022-11-26 00:28:48,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:28:48,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:28:48,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9380358-8472-4457-a66f-c09af2e15ec4/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:28:48,998 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9380358-8472-4457-a66f-c09af2e15ec4/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:28:49,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9380358-8472-4457-a66f-c09af2e15ec4/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-26 00:34:43,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:34:43,993 INFO L263 TraceCheckSpWp]: Trace formula consists of 1393 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-26 00:34:43,997 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:34:44,030 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 21 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-11-26 00:34:44,034 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:34:44,137 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 3 proven. 16 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-26 00:34:44,137 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:34:44,137 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162995066] [2022-11-26 00:34:44,137 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:34:44,138 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1329901802] [2022-11-26 00:34:44,138 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1329901802] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:34:44,138 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1669926640] [2022-11-26 00:34:44,161 INFO L159 IcfgInterpreter]: Started Sifa with 67 locations of interest [2022-11-26 00:34:44,161 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:34:44,165 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:34:44,170 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:34:44,170 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:34:44,414 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-26 00:34:44,450 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-26 00:34:44,451 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 00:34:44,464 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-26 00:34:44,488 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-26 00:34:44,488 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 32 [2022-11-26 00:34:44,536 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-26 00:34:44,537 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 00:34:44,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:44,575 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 37 treesize of output 42 [2022-11-26 00:34:44,593 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-26 00:34:44,603 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-26 00:34:45,022 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 00:34:45,044 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 00:34:45,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:45,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:45,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:45,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:45,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:45,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:45,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:45,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:45,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:45,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:45,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:45,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:45,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:45,106 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 00:34:45,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:45,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:45,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:45,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:45,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:45,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:45,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:45,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:45,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:45,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:45,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:45,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:45,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:45,160 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 00:34:45,224 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 00:34:45,241 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 00:34:45,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:45,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:45,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:45,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:45,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:45,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:45,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:45,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:45,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:45,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:45,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:45,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:45,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:45,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:45,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:45,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:45,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:45,305 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 00:34:45,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:45,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:45,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:45,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:45,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:45,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:45,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:45,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:45,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:45,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:45,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:45,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:45,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:45,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:45,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:45,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:45,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:45,360 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 00:34:45,441 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 00:34:45,515 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-26 00:34:45,515 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 00:34:45,536 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 00:34:45,561 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 00:34:45,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:45,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:45,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:45,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:45,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:45,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:45,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:45,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:45,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:45,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:45,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:45,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:45,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:45,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:45,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:45,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:45,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:45,621 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 00:34:45,853 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 00:34:45,859 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 00:34:45,868 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 00:34:45,921 INFO L321 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2022-11-26 00:34:45,922 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 53 treesize of output 56 [2022-11-26 00:34:45,952 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-26 00:34:45,953 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 47 treesize of output 50 [2022-11-26 00:34:45,983 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-26 00:34:45,983 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 00:34:46,029 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 00:34:46,034 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 00:34:46,040 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 00:34:46,115 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 46 treesize of output 16 [2022-11-26 00:34:46,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:46,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:46,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:46,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:46,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:46,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:46,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:46,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:46,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:46,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:46,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:46,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:46,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:46,149 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 00:34:46,176 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 00:34:46,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:46,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:46,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:46,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:46,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:46,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:46,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:46,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:46,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:46,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:46,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:46,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:46,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:46,362 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 00:34:46,385 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 46 treesize of output 16 [2022-11-26 00:34:46,398 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 00:34:47,493 INFO L217 Elim1Store]: Index analysis took 786 ms [2022-11-26 00:34:50,798 INFO L321 Elim1Store]: treesize reduction 96, result has 17.9 percent of original size [2022-11-26 00:34:50,799 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 10752694 treesize of output 10752697 [2022-11-26 00:34:51,507 INFO L217 Elim1Store]: Index analysis took 558 ms [2022-11-26 00:34:55,943 INFO L321 Elim1Store]: treesize reduction 144, result has 12.7 percent of original size [2022-11-26 00:34:55,944 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 10752699 treesize of output 10752701 [2022-11-26 00:35:06,174 WARN L233 SmtUtils]: Spent 10.17s 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 00:35:06,175 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-11-26 00:35:06,176 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 00:35:06,379 INFO L217 Elim1Store]: Index analysis took 119 ms [2022-11-26 00:35:29,302 WARN L233 SmtUtils]: Spent 22.92s 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 00:35:29,302 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-11-26 00:35:29,303 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 00:35:30,073 INFO L217 Elim1Store]: Index analysis took 483 ms [2022-11-26 00:35:58,057 WARN L233 SmtUtils]: Spent 27.60s 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 00:35:58,059 INFO L321 Elim1Store]: treesize reduction 2466, result has 32.0 percent of original size [2022-11-26 00:35:58,059 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 00:35:59,452 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:35:59,454 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 00:35:59,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:35:59,685 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:35:59,686 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 00:36:01,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:36:01,319 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 00:36:09,295 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:36:28,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:36:28,885 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 00:36:35,540 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:37:21,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:21,173 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 19 treesize of output 13 [2022-11-26 00:37:21,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:21,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:21,247 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2022-11-26 00:37:25,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:25,012 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:37:25,014 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 18 [2022-11-26 00:37:25,033 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:37:25,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:25,079 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:37:25,081 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2022-11-26 00:37:25,102 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:37:25,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:25,152 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 23 treesize of output 15 [2022-11-26 00:37:25,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:25,199 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 19 treesize of output 13 [2022-11-26 00:37:25,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:25,246 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 19 treesize of output 13 [2022-11-26 00:37:28,442 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:37:59,978 WARN L233 SmtUtils]: Spent 8.00s on a formula simplification that was a NOOP. DAG size: 13941 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)