./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/termination-crafted/4BitCounterPointer.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b9c540-01b5-45c9-9749-0783f02a6d81/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b9c540-01b5-45c9-9749-0783f02a6d81/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b9c540-01b5-45c9-9749-0783f02a6d81/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b9c540-01b5-45c9-9749-0783f02a6d81/bin/utaipan-gh47qXpMRh/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-crafted/4BitCounterPointer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b9c540-01b5-45c9-9749-0783f02a6d81/bin/utaipan-gh47qXpMRh/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b9c540-01b5-45c9-9749-0783f02a6d81/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 7e6a17b7d4143542ba439290f9741c160a8cb32cc90a0cc2a238a67702990ba0 --- 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-2329fc7 [2022-12-14 08:27:48,069 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 08:27:48,071 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 08:27:48,088 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 08:27:48,089 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 08:27:48,090 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 08:27:48,091 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 08:27:48,092 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 08:27:48,094 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 08:27:48,095 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 08:27:48,095 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 08:27:48,097 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 08:27:48,097 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 08:27:48,098 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 08:27:48,099 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 08:27:48,100 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 08:27:48,101 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 08:27:48,102 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 08:27:48,103 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 08:27:48,104 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 08:27:48,106 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 08:27:48,107 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 08:27:48,108 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 08:27:48,108 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 08:27:48,112 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 08:27:48,112 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 08:27:48,112 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 08:27:48,113 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 08:27:48,113 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 08:27:48,114 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 08:27:48,114 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 08:27:48,115 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 08:27:48,116 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 08:27:48,116 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 08:27:48,117 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 08:27:48,117 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 08:27:48,118 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 08:27:48,118 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 08:27:48,118 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 08:27:48,119 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 08:27:48,119 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 08:27:48,120 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b9c540-01b5-45c9-9749-0783f02a6d81/bin/utaipan-gh47qXpMRh/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2022-12-14 08:27:48,145 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 08:27:48,145 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 08:27:48,146 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 08:27:48,146 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 08:27:48,146 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 08:27:48,147 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 08:27:48,147 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 08:27:48,147 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 08:27:48,147 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 08:27:48,148 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 08:27:48,148 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 08:27:48,148 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 08:27:48,148 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 08:27:48,148 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 08:27:48,149 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 08:27:48,149 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 08:27:48,149 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 08:27:48,149 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 08:27:48,150 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 08:27:48,150 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 08:27:48,150 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 08:27:48,150 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 08:27:48,151 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 08:27:48,151 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 08:27:48,151 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-14 08:27:48,151 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-14 08:27:48,151 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-14 08:27:48,152 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 08:27:48,152 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 08:27:48,152 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 08:27:48,152 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 08:27:48,152 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 08:27:48,153 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 08:27:48,153 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 08:27:48,153 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 08:27:48,153 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 08:27:48,153 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 08:27:48,153 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 08:27:48,154 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 08:27:48,154 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_d4b9c540-01b5-45c9-9749-0783f02a6d81/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b9c540-01b5-45c9-9749-0783f02a6d81/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e6a17b7d4143542ba439290f9741c160a8cb32cc90a0cc2a238a67702990ba0 [2022-12-14 08:27:48,344 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 08:27:48,365 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 08:27:48,367 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 08:27:48,368 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 08:27:48,368 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 08:27:48,369 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b9c540-01b5-45c9-9749-0783f02a6d81/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/termination-crafted/4BitCounterPointer.c [2022-12-14 08:27:50,921 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 08:27:51,074 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 08:27:51,074 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b9c540-01b5-45c9-9749-0783f02a6d81/sv-benchmarks/c/termination-crafted/4BitCounterPointer.c [2022-12-14 08:27:51,078 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b9c540-01b5-45c9-9749-0783f02a6d81/bin/utaipan-gh47qXpMRh/data/5a068074d/2ebe370c383b4ed69a60e61d17b3b752/FLAG0e471c80f [2022-12-14 08:27:51,525 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b9c540-01b5-45c9-9749-0783f02a6d81/bin/utaipan-gh47qXpMRh/data/5a068074d/2ebe370c383b4ed69a60e61d17b3b752 [2022-12-14 08:27:51,529 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 08:27:51,532 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 08:27:51,533 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 08:27:51,533 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 08:27:51,538 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 08:27:51,539 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:27:51" (1/1) ... [2022-12-14 08:27:51,540 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59a495cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:27:51, skipping insertion in model container [2022-12-14 08:27:51,541 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:27:51" (1/1) ... [2022-12-14 08:27:51,549 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 08:27:51,560 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 08:27:51,668 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 08:27:51,677 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 08:27:51,686 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 08:27:51,695 INFO L208 MainTranslator]: Completed translation [2022-12-14 08:27:51,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:27:51 WrapperNode [2022-12-14 08:27:51,696 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 08:27:51,696 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 08:27:51,697 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 08:27:51,697 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 08:27:51,702 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:27:51" (1/1) ... [2022-12-14 08:27:51,706 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:27:51" (1/1) ... [2022-12-14 08:27:51,718 INFO L138 Inliner]: procedures = 7, calls = 29, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 61 [2022-12-14 08:27:51,718 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 08:27:51,719 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 08:27:51,719 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 08:27:51,719 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 08:27:51,725 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:27:51" (1/1) ... [2022-12-14 08:27:51,725 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:27:51" (1/1) ... [2022-12-14 08:27:51,726 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:27:51" (1/1) ... [2022-12-14 08:27:51,726 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:27:51" (1/1) ... [2022-12-14 08:27:51,728 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:27:51" (1/1) ... [2022-12-14 08:27:51,730 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:27:51" (1/1) ... [2022-12-14 08:27:51,731 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:27:51" (1/1) ... [2022-12-14 08:27:51,731 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:27:51" (1/1) ... [2022-12-14 08:27:51,733 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 08:27:51,733 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 08:27:51,733 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 08:27:51,733 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 08:27:51,734 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:27:51" (1/1) ... [2022-12-14 08:27:51,738 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 08:27:51,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b9c540-01b5-45c9-9749-0783f02a6d81/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:27:51,755 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b9c540-01b5-45c9-9749-0783f02a6d81/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 08:27:51,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b9c540-01b5-45c9-9749-0783f02a6d81/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 08:27:51,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 08:27:51,788 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 08:27:51,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 08:27:51,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 08:27:51,789 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 08:27:51,789 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 08:27:51,849 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 08:27:51,851 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 08:27:52,017 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 08:27:52,029 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 08:27:52,029 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 08:27:52,030 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:27:52 BoogieIcfgContainer [2022-12-14 08:27:52,031 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 08:27:52,032 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 08:27:52,032 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 08:27:52,034 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 08:27:52,034 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 08:27:51" (1/3) ... [2022-12-14 08:27:52,035 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79037460 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 08:27:52, skipping insertion in model container [2022-12-14 08:27:52,035 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:27:51" (2/3) ... [2022-12-14 08:27:52,035 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79037460 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 08:27:52, skipping insertion in model container [2022-12-14 08:27:52,035 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:27:52" (3/3) ... [2022-12-14 08:27:52,036 INFO L112 eAbstractionObserver]: Analyzing ICFG 4BitCounterPointer.c [2022-12-14 08:27:52,049 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 08:27:52,050 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 31 error locations. [2022-12-14 08:27:52,084 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 08:27:52,089 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, 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;@4543664a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 08:27:52,089 INFO L358 AbstractCegarLoop]: Starting to check reachability of 31 error locations. [2022-12-14 08:27:52,093 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 22 states have (on average 2.6363636363636362) internal successors, (58), 53 states have internal predecessors, (58), 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) [2022-12-14 08:27:52,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-12-14 08:27:52,097 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:27:52,097 INFO L195 NwaCegarLoop]: trace histogram [1, 1] [2022-12-14 08:27:52,098 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 28 more)] === [2022-12-14 08:27:52,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:27:52,102 INFO L85 PathProgramCache]: Analyzing trace with hash 3476, now seen corresponding path program 1 times [2022-12-14 08:27:52,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:27:52,109 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468258230] [2022-12-14 08:27:52,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:27:52,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:27:52,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:27:52,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 08:27:52,419 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:27:52,420 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468258230] [2022-12-14 08:27:52,420 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468258230] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:27:52,421 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:27:52,421 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-14 08:27:52,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712336674] [2022-12-14 08:27:52,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:27:52,427 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 08:27:52,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:27:52,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 08:27:52,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:27:52,461 INFO L87 Difference]: Start difference. First operand has 54 states, 22 states have (on average 2.6363636363636362) internal successors, (58), 53 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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) [2022-12-14 08:27:52,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:27:52,527 INFO L93 Difference]: Finished difference Result 50 states and 53 transitions. [2022-12-14 08:27:52,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 08:27:52,529 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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 2 [2022-12-14 08:27:52,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:27:52,535 INFO L225 Difference]: With dead ends: 50 [2022-12-14 08:27:52,535 INFO L226 Difference]: Without dead ends: 49 [2022-12-14 08:27:52,536 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:27:52,539 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 49 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 08:27:52,540 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 20 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 08:27:52,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2022-12-14 08:27:52,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2022-12-14 08:27:52,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 22 states have (on average 2.3636363636363638) internal successors, (52), 48 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) [2022-12-14 08:27:52,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 52 transitions. [2022-12-14 08:27:52,577 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 52 transitions. Word has length 2 [2022-12-14 08:27:52,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:27:52,577 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 52 transitions. [2022-12-14 08:27:52,578 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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) [2022-12-14 08:27:52,578 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 52 transitions. [2022-12-14 08:27:52,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-12-14 08:27:52,578 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:27:52,578 INFO L195 NwaCegarLoop]: trace histogram [1, 1] [2022-12-14 08:27:52,578 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 08:27:52,579 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 28 more)] === [2022-12-14 08:27:52,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:27:52,580 INFO L85 PathProgramCache]: Analyzing trace with hash 3477, now seen corresponding path program 1 times [2022-12-14 08:27:52,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:27:52,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421960119] [2022-12-14 08:27:52,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:27:52,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:27:52,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:27:52,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 08:27:52,727 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:27:52,728 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1421960119] [2022-12-14 08:27:52,728 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1421960119] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:27:52,728 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:27:52,728 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-14 08:27:52,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184106083] [2022-12-14 08:27:52,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:27:52,729 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 08:27:52,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:27:52,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 08:27:52,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:27:52,731 INFO L87 Difference]: Start difference. First operand 49 states and 52 transitions. Second operand has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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) [2022-12-14 08:27:52,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:27:52,776 INFO L93 Difference]: Finished difference Result 45 states and 48 transitions. [2022-12-14 08:27:52,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 08:27:52,777 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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 2 [2022-12-14 08:27:52,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:27:52,777 INFO L225 Difference]: With dead ends: 45 [2022-12-14 08:27:52,778 INFO L226 Difference]: Without dead ends: 45 [2022-12-14 08:27:52,778 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:27:52,779 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 47 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 08:27:52,780 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 21 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 08:27:52,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2022-12-14 08:27:52,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2022-12-14 08:27:52,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 22 states have (on average 2.1818181818181817) internal successors, (48), 44 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) [2022-12-14 08:27:52,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 48 transitions. [2022-12-14 08:27:52,785 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 48 transitions. Word has length 2 [2022-12-14 08:27:52,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:27:52,785 INFO L495 AbstractCegarLoop]: Abstraction has 45 states and 48 transitions. [2022-12-14 08:27:52,785 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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) [2022-12-14 08:27:52,786 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 48 transitions. [2022-12-14 08:27:52,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-12-14 08:27:52,786 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:27:52,786 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-12-14 08:27:52,786 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 08:27:52,787 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 28 more)] === [2022-12-14 08:27:52,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:27:52,788 INFO L85 PathProgramCache]: Analyzing trace with hash 107732, now seen corresponding path program 1 times [2022-12-14 08:27:52,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:27:52,788 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881609323] [2022-12-14 08:27:52,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:27:52,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:27:52,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:27:52,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 08:27:52,885 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:27:52,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881609323] [2022-12-14 08:27:52,886 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1881609323] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:27:52,886 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:27:52,886 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-14 08:27:52,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949775224] [2022-12-14 08:27:52,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:27:52,886 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 08:27:52,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:27:52,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 08:27:52,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:27:52,887 INFO L87 Difference]: Start difference. First operand 45 states and 48 transitions. Second operand has 3 states, 2 states have (on average 1.5) 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) [2022-12-14 08:27:52,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:27:52,924 INFO L93 Difference]: Finished difference Result 41 states and 44 transitions. [2022-12-14 08:27:52,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 08:27:52,925 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) 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 [2022-12-14 08:27:52,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:27:52,925 INFO L225 Difference]: With dead ends: 41 [2022-12-14 08:27:52,925 INFO L226 Difference]: Without dead ends: 41 [2022-12-14 08:27:52,925 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:27:52,926 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 40 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 08:27:52,927 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 16 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 08:27:52,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2022-12-14 08:27:52,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2022-12-14 08:27:52,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 22 states have (on average 2.0) internal successors, (44), 40 states have internal predecessors, (44), 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) [2022-12-14 08:27:52,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 44 transitions. [2022-12-14 08:27:52,929 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 44 transitions. Word has length 3 [2022-12-14 08:27:52,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:27:52,930 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 44 transitions. [2022-12-14 08:27:52,930 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) 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) [2022-12-14 08:27:52,930 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 44 transitions. [2022-12-14 08:27:52,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-12-14 08:27:52,930 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:27:52,930 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-12-14 08:27:52,930 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 08:27:52,931 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 28 more)] === [2022-12-14 08:27:52,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:27:52,931 INFO L85 PathProgramCache]: Analyzing trace with hash 107733, now seen corresponding path program 1 times [2022-12-14 08:27:52,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:27:52,932 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267745079] [2022-12-14 08:27:52,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:27:52,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:27:52,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:27:52,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 08:27:52,995 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:27:52,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267745079] [2022-12-14 08:27:52,995 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [267745079] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:27:52,995 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:27:52,995 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-14 08:27:52,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854752270] [2022-12-14 08:27:52,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:27:52,996 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 08:27:52,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:27:52,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 08:27:52,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:27:52,997 INFO L87 Difference]: Start difference. First operand 41 states and 44 transitions. Second operand has 3 states, 2 states have (on average 1.5) 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) [2022-12-14 08:27:53,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:27:53,034 INFO L93 Difference]: Finished difference Result 37 states and 40 transitions. [2022-12-14 08:27:53,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 08:27:53,034 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) 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 [2022-12-14 08:27:53,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:27:53,035 INFO L225 Difference]: With dead ends: 37 [2022-12-14 08:27:53,035 INFO L226 Difference]: Without dead ends: 37 [2022-12-14 08:27:53,036 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:27:53,036 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 38 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 08:27:53,037 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 17 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 08:27:53,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2022-12-14 08:27:53,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2022-12-14 08:27:53,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 22 states have (on average 1.8181818181818181) internal successors, (40), 36 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:27:53,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 40 transitions. [2022-12-14 08:27:53,039 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 40 transitions. Word has length 3 [2022-12-14 08:27:53,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:27:53,039 INFO L495 AbstractCegarLoop]: Abstraction has 37 states and 40 transitions. [2022-12-14 08:27:53,039 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) 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) [2022-12-14 08:27:53,040 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 40 transitions. [2022-12-14 08:27:53,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 08:27:53,040 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:27:53,040 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-12-14 08:27:53,040 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 08:27:53,040 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 28 more)] === [2022-12-14 08:27:53,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:27:53,041 INFO L85 PathProgramCache]: Analyzing trace with hash 3339671, now seen corresponding path program 1 times [2022-12-14 08:27:53,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:27:53,041 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054727445] [2022-12-14 08:27:53,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:27:53,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:27:53,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:27:53,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 08:27:53,074 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:27:53,074 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054727445] [2022-12-14 08:27:53,074 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1054727445] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:27:53,074 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:27:53,074 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-14 08:27:53,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730731248] [2022-12-14 08:27:53,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:27:53,075 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 08:27:53,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:27:53,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 08:27:53,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:27:53,076 INFO L87 Difference]: Start difference. First operand 37 states and 40 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) [2022-12-14 08:27:53,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:27:53,105 INFO L93 Difference]: Finished difference Result 33 states and 36 transitions. [2022-12-14 08:27:53,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 08:27:53,105 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 [2022-12-14 08:27:53,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:27:53,106 INFO L225 Difference]: With dead ends: 33 [2022-12-14 08:27:53,106 INFO L226 Difference]: Without dead ends: 33 [2022-12-14 08:27:53,106 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:27:53,107 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 31 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 08:27:53,107 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 12 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 08:27:53,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2022-12-14 08:27:53,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2022-12-14 08:27:53,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 22 states have (on average 1.6363636363636365) internal successors, (36), 32 states have internal predecessors, (36), 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) [2022-12-14 08:27:53,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 36 transitions. [2022-12-14 08:27:53,110 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 36 transitions. Word has length 4 [2022-12-14 08:27:53,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:27:53,110 INFO L495 AbstractCegarLoop]: Abstraction has 33 states and 36 transitions. [2022-12-14 08:27:53,110 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) [2022-12-14 08:27:53,110 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 36 transitions. [2022-12-14 08:27:53,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 08:27:53,111 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:27:53,111 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-12-14 08:27:53,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 08:27:53,111 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 28 more)] === [2022-12-14 08:27:53,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:27:53,112 INFO L85 PathProgramCache]: Analyzing trace with hash 3339672, now seen corresponding path program 1 times [2022-12-14 08:27:53,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:27:53,112 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587472084] [2022-12-14 08:27:53,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:27:53,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:27:53,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:27:53,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 08:27:53,165 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:27:53,166 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587472084] [2022-12-14 08:27:53,166 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1587472084] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:27:53,166 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:27:53,166 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-14 08:27:53,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71887111] [2022-12-14 08:27:53,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:27:53,166 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 08:27:53,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:27:53,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 08:27:53,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:27:53,167 INFO L87 Difference]: Start difference. First operand 33 states and 36 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) [2022-12-14 08:27:53,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:27:53,194 INFO L93 Difference]: Finished difference Result 29 states and 32 transitions. [2022-12-14 08:27:53,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 08:27:53,195 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 [2022-12-14 08:27:53,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:27:53,195 INFO L225 Difference]: With dead ends: 29 [2022-12-14 08:27:53,195 INFO L226 Difference]: Without dead ends: 29 [2022-12-14 08:27:53,195 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:27:53,196 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 29 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 08:27:53,196 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 13 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 08:27:53,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2022-12-14 08:27:53,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2022-12-14 08:27:53,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 22 states have (on average 1.4545454545454546) internal successors, (32), 28 states have internal predecessors, (32), 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) [2022-12-14 08:27:53,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 32 transitions. [2022-12-14 08:27:53,198 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 32 transitions. Word has length 4 [2022-12-14 08:27:53,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:27:53,198 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 32 transitions. [2022-12-14 08:27:53,198 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) [2022-12-14 08:27:53,199 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 32 transitions. [2022-12-14 08:27:53,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 08:27:53,199 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:27:53,199 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-12-14 08:27:53,199 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 08:27:53,199 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 28 more)] === [2022-12-14 08:27:53,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:27:53,199 INFO L85 PathProgramCache]: Analyzing trace with hash 103529783, now seen corresponding path program 1 times [2022-12-14 08:27:53,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:27:53,200 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668185174] [2022-12-14 08:27:53,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:27:53,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:27:53,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:27:53,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 08:27:53,245 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:27:53,245 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668185174] [2022-12-14 08:27:53,246 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668185174] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:27:53,246 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:27:53,246 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-14 08:27:53,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53657434] [2022-12-14 08:27:53,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:27:53,246 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 08:27:53,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:27:53,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 08:27:53,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:27:53,247 INFO L87 Difference]: Start difference. First operand 29 states and 32 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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) [2022-12-14 08:27:53,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:27:53,274 INFO L93 Difference]: Finished difference Result 26 states and 29 transitions. [2022-12-14 08:27:53,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 08:27:53,274 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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 5 [2022-12-14 08:27:53,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:27:53,275 INFO L225 Difference]: With dead ends: 26 [2022-12-14 08:27:53,275 INFO L226 Difference]: Without dead ends: 26 [2022-12-14 08:27:53,275 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:27:53,276 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 23 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 08:27:53,276 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 9 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 08:27:53,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2022-12-14 08:27:53,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2022-12-14 08:27:53,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 22 states have (on average 1.3181818181818181) internal successors, (29), 25 states have internal predecessors, (29), 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) [2022-12-14 08:27:53,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 29 transitions. [2022-12-14 08:27:53,278 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 29 transitions. Word has length 5 [2022-12-14 08:27:53,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:27:53,278 INFO L495 AbstractCegarLoop]: Abstraction has 26 states and 29 transitions. [2022-12-14 08:27:53,279 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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) [2022-12-14 08:27:53,279 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 29 transitions. [2022-12-14 08:27:53,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 08:27:53,279 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:27:53,279 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-12-14 08:27:53,279 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-14 08:27:53,279 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 28 more)] === [2022-12-14 08:27:53,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:27:53,280 INFO L85 PathProgramCache]: Analyzing trace with hash 103529784, now seen corresponding path program 1 times [2022-12-14 08:27:53,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:27:53,280 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435234748] [2022-12-14 08:27:53,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:27:53,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:27:53,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:27:53,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 08:27:53,334 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:27:53,334 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [435234748] [2022-12-14 08:27:53,334 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [435234748] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:27:53,335 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:27:53,335 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-14 08:27:53,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848911330] [2022-12-14 08:27:53,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:27:53,335 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 08:27:53,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:27:53,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 08:27:53,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:27:53,336 INFO L87 Difference]: Start difference. First operand 26 states and 29 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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) [2022-12-14 08:27:53,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:27:53,358 INFO L93 Difference]: Finished difference Result 23 states and 26 transitions. [2022-12-14 08:27:53,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 08:27:53,358 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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 5 [2022-12-14 08:27:53,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:27:53,359 INFO L225 Difference]: With dead ends: 23 [2022-12-14 08:27:53,359 INFO L226 Difference]: Without dead ends: 23 [2022-12-14 08:27:53,359 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:27:53,360 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 22 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 08:27:53,360 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 10 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 08:27:53,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2022-12-14 08:27:53,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2022-12-14 08:27:53,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 22 states have (on average 1.1818181818181819) internal successors, (26), 22 states have internal predecessors, (26), 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) [2022-12-14 08:27:53,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 26 transitions. [2022-12-14 08:27:53,362 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 26 transitions. Word has length 5 [2022-12-14 08:27:53,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:27:53,362 INFO L495 AbstractCegarLoop]: Abstraction has 23 states and 26 transitions. [2022-12-14 08:27:53,362 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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) [2022-12-14 08:27:53,362 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2022-12-14 08:27:53,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 08:27:53,362 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:27:53,362 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:27:53,362 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-14 08:27:53,363 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 28 more)] === [2022-12-14 08:27:53,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:27:53,363 INFO L85 PathProgramCache]: Analyzing trace with hash 1661417693, now seen corresponding path program 1 times [2022-12-14 08:27:53,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:27:53,363 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258062880] [2022-12-14 08:27:53,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:27:53,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:27:53,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:27:53,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 08:27:53,402 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:27:53,402 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258062880] [2022-12-14 08:27:53,402 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [258062880] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:27:53,402 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:27:53,402 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 08:27:53,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524761074] [2022-12-14 08:27:53,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:27:53,402 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 08:27:53,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:27:53,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 08:27:53,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 08:27:53,403 INFO L87 Difference]: Start difference. First operand 23 states and 26 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:27:53,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:27:53,449 INFO L93 Difference]: Finished difference Result 38 states and 44 transitions. [2022-12-14 08:27:53,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 08:27:53,450 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-12-14 08:27:53,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:27:53,450 INFO L225 Difference]: With dead ends: 38 [2022-12-14 08:27:53,450 INFO L226 Difference]: Without dead ends: 38 [2022-12-14 08:27:53,451 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 08:27:53,451 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 11 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 08:27:53,452 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 35 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 08:27:53,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2022-12-14 08:27:53,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 25. [2022-12-14 08:27:53,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 24 states have (on average 1.1666666666666667) internal successors, (28), 24 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:27:53,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 28 transitions. [2022-12-14 08:27:53,455 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 28 transitions. Word has length 9 [2022-12-14 08:27:53,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:27:53,455 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 28 transitions. [2022-12-14 08:27:53,455 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:27:53,455 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2022-12-14 08:27:53,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 08:27:53,455 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:27:53,456 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:27:53,456 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-14 08:27:53,456 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 28 more)] === [2022-12-14 08:27:53,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:27:53,456 INFO L85 PathProgramCache]: Analyzing trace with hash -723063482, now seen corresponding path program 1 times [2022-12-14 08:27:53,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:27:53,457 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18361665] [2022-12-14 08:27:53,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:27:53,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:27:53,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:27:53,653 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 08:27:53,653 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:27:53,653 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18361665] [2022-12-14 08:27:53,653 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [18361665] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 08:27:53,653 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1596623344] [2022-12-14 08:27:53,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:27:53,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 08:27:53,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b9c540-01b5-45c9-9749-0783f02a6d81/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:27:53,655 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b9c540-01b5-45c9-9749-0783f02a6d81/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 08:27:53,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b9c540-01b5-45c9-9749-0783f02a6d81/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 08:27:53,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:27:53,722 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 21 conjunts are in the unsatisfiable core [2022-12-14 08:27:53,727 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 08:27:53,774 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 16 [2022-12-14 08:27:53,794 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 11 treesize of output 7 [2022-12-14 08:27:53,828 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-12-14 08:27:53,838 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-12-14 08:27:53,840 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 08:27:53,840 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 08:27:53,893 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 08:27:53,893 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 19 [2022-12-14 08:27:53,896 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 22 [2022-12-14 08:27:53,905 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 08:27:53,905 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1596623344] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 08:27:53,906 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [910419065] [2022-12-14 08:27:53,920 INFO L159 IcfgInterpreter]: Started Sifa with 13 locations of interest [2022-12-14 08:27:53,920 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 08:27:53,923 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 08:27:53,927 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 08:27:53,928 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 08:27:53,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:27:53,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:27:53,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:27:53,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:27:53,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:27:53,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:27:53,987 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2022-12-14 08:27:54,034 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 11 treesize of output 7 [2022-12-14 08:27:54,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:27:54,078 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-12-14 08:27:54,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:27:54,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:27:54,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:27:54,122 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-12-14 08:27:54,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:27:54,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:27:54,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:27:54,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:27:54,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:27:54,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:27:54,186 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 38 [2022-12-14 08:27:54,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:27:54,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:27:54,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:27:54,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:27:54,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:27:54,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:27:54,297 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 41 [2022-12-14 08:27:54,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:27:54,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:27:54,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:27:54,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:27:54,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:27:54,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:27:54,546 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 41 [2022-12-14 08:27:54,718 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 08:28:00,055 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [910419065] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:28:00,055 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-12-14 08:28:00,055 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [6, 5, 5] total 15 [2022-12-14 08:28:00,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273813067] [2022-12-14 08:28:00,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:28:00,056 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 08:28:00,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:28:00,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 08:28:00,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=165, Unknown=3, NotChecked=0, Total=240 [2022-12-14 08:28:00,057 INFO L87 Difference]: Start difference. First operand 25 states and 28 transitions. Second operand has 10 states, 10 states have (on average 1.3) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:28:01,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:28:01,568 INFO L93 Difference]: Finished difference Result 75 states and 90 transitions. [2022-12-14 08:28:01,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-14 08:28:01,568 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 1.3) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-12-14 08:28:01,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:28:01,569 INFO L225 Difference]: With dead ends: 75 [2022-12-14 08:28:01,569 INFO L226 Difference]: Without dead ends: 75 [2022-12-14 08:28:01,570 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 32 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=100, Invalid=203, Unknown=3, NotChecked=0, Total=306 [2022-12-14 08:28:01,570 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 69 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-14 08:28:01,570 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 63 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-14 08:28:01,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2022-12-14 08:28:01,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 32. [2022-12-14 08:28:01,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 31 states have (on average 1.1612903225806452) internal successors, (36), 31 states have internal predecessors, (36), 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) [2022-12-14 08:28:01,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 36 transitions. [2022-12-14 08:28:01,573 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 36 transitions. Word has length 14 [2022-12-14 08:28:01,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:28:01,573 INFO L495 AbstractCegarLoop]: Abstraction has 32 states and 36 transitions. [2022-12-14 08:28:01,573 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1.3) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:28:01,573 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 36 transitions. [2022-12-14 08:28:01,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 08:28:01,574 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:28:01,574 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:28:01,579 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b9c540-01b5-45c9-9749-0783f02a6d81/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 08:28:01,774 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b9c540-01b5-45c9-9749-0783f02a6d81/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 08:28:01,775 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 28 more)] === [2022-12-14 08:28:01,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:28:01,777 INFO L85 PathProgramCache]: Analyzing trace with hash 1385146651, now seen corresponding path program 1 times [2022-12-14 08:28:01,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:28:01,777 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483250364] [2022-12-14 08:28:01,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:28:01,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:28:01,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:28:02,240 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 08:28:02,240 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:28:02,240 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483250364] [2022-12-14 08:28:02,240 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [483250364] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 08:28:02,240 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1412852081] [2022-12-14 08:28:02,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:28:02,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 08:28:02,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b9c540-01b5-45c9-9749-0783f02a6d81/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:28:02,241 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b9c540-01b5-45c9-9749-0783f02a6d81/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 08:28:02,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b9c540-01b5-45c9-9749-0783f02a6d81/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 08:28:02,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:28:02,302 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 30 conjunts are in the unsatisfiable core [2022-12-14 08:28:02,304 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 08:28:02,312 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2022-12-14 08:28:02,368 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 [2022-12-14 08:28:02,455 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-14 08:28:02,455 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 25 [2022-12-14 08:28:02,485 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-12-14 08:28:02,501 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-12-14 08:28:02,503 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 08:28:02,503 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 08:28:04,600 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_296 (Array Int Int)) (v_ArrVal_295 (Array Int Int))) (= (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~x0~0#1.base| v_ArrVal_295) |c_ULTIMATE.start_main_~x1~0#1.base| v_ArrVal_296) |c_ULTIMATE.start_main_~x3~0#1.base|) |c_ULTIMATE.start_main_~x3~0#1.offset|) 0)) is different from false [2022-12-14 08:28:04,668 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 129 treesize of output 117 [2022-12-14 08:28:04,674 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 86 [2022-12-14 08:28:04,679 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 78 [2022-12-14 08:28:04,743 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2022-12-14 08:28:04,743 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1412852081] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 08:28:04,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1323746671] [2022-12-14 08:28:04,744 INFO L159 IcfgInterpreter]: Started Sifa with 17 locations of interest [2022-12-14 08:28:04,744 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 08:28:04,745 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 08:28:04,745 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 08:28:04,745 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 08:28:04,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:04,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:04,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:04,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:04,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:04,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:04,776 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2022-12-14 08:28:04,799 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 [2022-12-14 08:28:04,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:04,828 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-12-14 08:28:04,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:04,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:04,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:04,861 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-12-14 08:28:04,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:04,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:04,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:04,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:04,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:04,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:04,899 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 38 [2022-12-14 08:28:04,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:04,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:04,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:04,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:04,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:04,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:04,955 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 41 [2022-12-14 08:28:05,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:05,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:05,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:05,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:05,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:05,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:05,133 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 41 [2022-12-14 08:28:05,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:05,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:05,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:05,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:05,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:05,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:05,289 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 41 [2022-12-14 08:28:05,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:05,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:05,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:05,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:05,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:05,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:05,359 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 41 [2022-12-14 08:28:05,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:05,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:05,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:05,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:05,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:05,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:05,470 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 41 [2022-12-14 08:28:05,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:05,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:05,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:05,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:05,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:05,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:05,671 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 41 [2022-12-14 08:28:05,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:05,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:05,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:05,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:05,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:05,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:05,816 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 41 [2022-12-14 08:28:05,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:05,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:05,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:05,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:05,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:05,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:05,912 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 41 [2022-12-14 08:28:05,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:05,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:05,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:05,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:05,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:05,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:05,996 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 41 [2022-12-14 08:28:06,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:06,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:06,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:06,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:06,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:06,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:06,150 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 41 [2022-12-14 08:28:06,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:06,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:06,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:06,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:06,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:06,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:06,301 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 41 [2022-12-14 08:28:06,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:06,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:06,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:06,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:06,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:06,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:06,385 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 41 [2022-12-14 08:28:06,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:06,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:06,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:06,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:06,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:06,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:06,460 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 41 [2022-12-14 08:28:06,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:06,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:06,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:06,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:06,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:06,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:06,613 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 41 [2022-12-14 08:28:06,717 INFO L321 Elim1Store]: treesize reduction 93, result has 14.7 percent of original size [2022-12-14 08:28:06,717 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 3 case distinctions, treesize of input 15 treesize of output 21 [2022-12-14 08:28:06,808 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:28:06,808 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:28:06,809 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:28:06,868 INFO L321 Elim1Store]: treesize reduction 68, result has 42.4 percent of original size [2022-12-14 08:28:06,869 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 275 treesize of output 296 [2022-12-14 08:28:06,953 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 08:28:11,790 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1071#(and (<= |ULTIMATE.start_main_~x2~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~x1~0#1.base|) (<= |ULTIMATE.start_main_~x1~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~x2~0#1.offset|) (<= 0 |ULTIMATE.start_main_~x0~0#1.offset|) (not (= |ULTIMATE.start_main_old_#valid#1| |#valid|)) (<= 0 |ULTIMATE.start_main_~x3~0#1.base|) (<= 0 |ULTIMATE.start_main_~x1~0#1.offset|) (<= 0 |ULTIMATE.start_main_~x3~0#1.offset|) (<= |ULTIMATE.start_main_~x3~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~x2~0#1.base|) (<= 0 |ULTIMATE.start_main_~x0~0#1.base|) (<= |ULTIMATE.start_main_~x0~0#1.offset| 0) (= |#NULL.offset| 0) (<= 0 |#StackHeapBarrier|) (= |ULTIMATE.start_main_#res#1| 0) (= |#NULL.base| 0) (exists ((|v_ULTIMATE.start_main_#t~malloc0#1.base_7| Int)) (and (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc0#1.base_7|) 0) (<= 0 |v_ULTIMATE.start_main_#t~malloc0#1.base_7|))))' at error location [2022-12-14 08:28:11,790 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 08:28:11,790 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 08:28:11,790 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 8, 8] total 22 [2022-12-14 08:28:11,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042942022] [2022-12-14 08:28:11,790 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 08:28:11,791 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-12-14 08:28:11,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:28:11,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-12-14 08:28:11,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=212, Invalid=1118, Unknown=6, NotChecked=70, Total=1406 [2022-12-14 08:28:11,792 INFO L87 Difference]: Start difference. First operand 32 states and 36 transitions. Second operand has 23 states, 23 states have (on average 2.5652173913043477) internal successors, (59), 22 states have internal predecessors, (59), 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) [2022-12-14 08:28:12,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:28:12,272 INFO L93 Difference]: Finished difference Result 43 states and 48 transitions. [2022-12-14 08:28:12,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-14 08:28:12,273 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 2.5652173913043477) internal successors, (59), 22 states have internal predecessors, (59), 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 22 [2022-12-14 08:28:12,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:28:12,273 INFO L225 Difference]: With dead ends: 43 [2022-12-14 08:28:12,273 INFO L226 Difference]: Without dead ends: 43 [2022-12-14 08:28:12,275 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 43 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 675 ImplicationChecksByTransitivity, 7.5s TimeCoverageRelationStatistics Valid=406, Invalid=1848, Unknown=6, NotChecked=92, Total=2352 [2022-12-14 08:28:12,276 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 89 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 34 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 08:28:12,276 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 46 Invalid, 246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 160 Invalid, 0 Unknown, 34 Unchecked, 0.1s Time] [2022-12-14 08:28:12,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2022-12-14 08:28:12,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 29. [2022-12-14 08:28:12,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 28 states have (on average 1.1428571428571428) internal successors, (32), 28 states have internal predecessors, (32), 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) [2022-12-14 08:28:12,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 32 transitions. [2022-12-14 08:28:12,279 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 32 transitions. Word has length 22 [2022-12-14 08:28:12,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:28:12,279 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 32 transitions. [2022-12-14 08:28:12,279 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 2.5652173913043477) internal successors, (59), 22 states have internal predecessors, (59), 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) [2022-12-14 08:28:12,279 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 32 transitions. [2022-12-14 08:28:12,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-14 08:28:12,280 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:28:12,280 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:28:12,284 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b9c540-01b5-45c9-9749-0783f02a6d81/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 08:28:12,480 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b9c540-01b5-45c9-9749-0783f02a6d81/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-12-14 08:28:12,481 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 28 more)] === [2022-12-14 08:28:12,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:28:12,482 INFO L85 PathProgramCache]: Analyzing trace with hash 1435305227, now seen corresponding path program 1 times [2022-12-14 08:28:12,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:28:12,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872225215] [2022-12-14 08:28:12,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:28:12,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:28:12,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:28:12,849 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 08:28:12,849 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:28:12,850 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872225215] [2022-12-14 08:28:12,850 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872225215] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 08:28:12,850 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [927174439] [2022-12-14 08:28:12,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:28:12,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 08:28:12,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b9c540-01b5-45c9-9749-0783f02a6d81/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:28:12,851 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b9c540-01b5-45c9-9749-0783f02a6d81/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 08:28:12,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b9c540-01b5-45c9-9749-0783f02a6d81/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 08:28:12,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:28:12,913 INFO L263 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 39 conjunts are in the unsatisfiable core [2022-12-14 08:28:12,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 08:28:12,930 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 202 treesize of output 198 [2022-12-14 08:28:12,979 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 11 treesize of output 7 [2022-12-14 08:28:13,027 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 08:28:13,028 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 22 [2022-12-14 08:28:13,124 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-14 08:28:13,124 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 25 [2022-12-14 08:28:13,157 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-12-14 08:28:13,157 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 18 [2022-12-14 08:28:13,189 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-12-14 08:28:13,203 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-12-14 08:28:13,215 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 08:28:13,215 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 08:28:13,229 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_375 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~x2~0#1.base| v_ArrVal_375) |c_ULTIMATE.start_main_~x3~0#1.base|) |c_ULTIMATE.start_main_~x3~0#1.offset|) 0)) is different from false [2022-12-14 08:28:13,501 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 08:28:13,502 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 40 [2022-12-14 08:28:13,511 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 08:28:13,511 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 386 treesize of output 382 [2022-12-14 08:28:13,518 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 368 treesize of output 344 [2022-12-14 08:28:13,526 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 368 treesize of output 354 [2022-12-14 08:28:13,590 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 118 treesize of output 114 [2022-12-14 08:28:13,614 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 229 treesize of output 223 [2022-12-14 08:28:13,725 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 08:28:13,725 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [927174439] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 08:28:13,725 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1713385907] [2022-12-14 08:28:13,727 INFO L159 IcfgInterpreter]: Started Sifa with 20 locations of interest [2022-12-14 08:28:13,728 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 08:28:13,728 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 08:28:13,728 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 08:28:13,728 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 08:28:13,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:13,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:13,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:13,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:13,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:13,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:13,764 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2022-12-14 08:28:13,790 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 [2022-12-14 08:28:13,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:13,821 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-12-14 08:28:13,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:13,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:13,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:13,855 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-12-14 08:28:13,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:13,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:13,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:13,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:13,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:13,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:13,902 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 38 [2022-12-14 08:28:13,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:13,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:13,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:13,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:13,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:13,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:13,981 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 41 [2022-12-14 08:28:14,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:14,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:14,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:14,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:14,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:14,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:14,162 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 41 [2022-12-14 08:28:14,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:14,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:14,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:14,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:14,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:14,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:14,340 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 41 [2022-12-14 08:28:14,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:14,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:14,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:14,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:14,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:14,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:14,675 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 41 [2022-12-14 08:28:14,737 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 08:28:21,651 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1713385907] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:28:21,652 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-12-14 08:28:21,652 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [7, 10, 10] total 34 [2022-12-14 08:28:21,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106083032] [2022-12-14 08:28:21,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:28:21,652 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 08:28:21,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:28:21,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 08:28:21,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=263, Invalid=841, Unknown=22, NotChecked=64, Total=1190 [2022-12-14 08:28:21,653 INFO L87 Difference]: Start difference. First operand 29 states and 32 transitions. Second operand has 12 states, 12 states have (on average 1.75) internal successors, (21), 11 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:28:24,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:28:24,253 INFO L93 Difference]: Finished difference Result 67 states and 77 transitions. [2022-12-14 08:28:24,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-14 08:28:24,254 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 1.75) internal successors, (21), 11 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2022-12-14 08:28:24,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:28:24,254 INFO L225 Difference]: With dead ends: 67 [2022-12-14 08:28:24,254 INFO L226 Difference]: Without dead ends: 67 [2022-12-14 08:28:24,255 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 47 SyntacticMatches, 3 SemanticMatches, 37 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 553 ImplicationChecksByTransitivity, 9.5s TimeCoverageRelationStatistics Valid=368, Invalid=1020, Unknown=22, NotChecked=72, Total=1482 [2022-12-14 08:28:24,255 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 51 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-14 08:28:24,255 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 53 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-14 08:28:24,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2022-12-14 08:28:24,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 37. [2022-12-14 08:28:24,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 36 states have (on average 1.1111111111111112) internal successors, (40), 36 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:28:24,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 40 transitions. [2022-12-14 08:28:24,258 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 40 transitions. Word has length 25 [2022-12-14 08:28:24,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:28:24,258 INFO L495 AbstractCegarLoop]: Abstraction has 37 states and 40 transitions. [2022-12-14 08:28:24,259 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 1.75) internal successors, (21), 11 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:28:24,259 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 40 transitions. [2022-12-14 08:28:24,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-14 08:28:24,259 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:28:24,259 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:28:24,263 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b9c540-01b5-45c9-9749-0783f02a6d81/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-14 08:28:24,460 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b9c540-01b5-45c9-9749-0783f02a6d81/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-12-14 08:28:24,461 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 28 more)] === [2022-12-14 08:28:24,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:28:24,462 INFO L85 PathProgramCache]: Analyzing trace with hash 1769996822, now seen corresponding path program 1 times [2022-12-14 08:28:24,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:28:24,462 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278639615] [2022-12-14 08:28:24,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:28:24,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:28:24,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:28:24,634 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 08:28:24,634 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:28:24,634 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278639615] [2022-12-14 08:28:24,634 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1278639615] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 08:28:24,634 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1484012244] [2022-12-14 08:28:24,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:28:24,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 08:28:24,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b9c540-01b5-45c9-9749-0783f02a6d81/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:28:24,635 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b9c540-01b5-45c9-9749-0783f02a6d81/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 08:28:24,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b9c540-01b5-45c9-9749-0783f02a6d81/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 08:28:24,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:28:24,700 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 23 conjunts are in the unsatisfiable core [2022-12-14 08:28:24,702 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 08:28:24,747 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 [2022-12-14 08:28:24,777 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-14 08:28:24,777 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 14 treesize of output 20 [2022-12-14 08:28:24,782 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 08:28:24,854 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 0 case distinctions, treesize of input 20 treesize of output 12 [2022-12-14 08:28:24,869 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-12-14 08:28:24,878 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 08:28:24,878 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 08:28:24,945 WARN L837 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_main_~x1~0#1.base| Int) (v_ArrVal_454 (Array Int Int))) (let ((.cse1 (store |c_#memory_int| |ULTIMATE.start_main_~x1~0#1.base| v_ArrVal_454))) (let ((.cse0 (select .cse1 |c_ULTIMATE.start_main_~x0~0#1.base|))) (or (= (select .cse0 |c_ULTIMATE.start_main_~x0~0#1.offset|) 0) (= (select (select (store .cse1 |c_ULTIMATE.start_main_~x0~0#1.base| (store .cse0 |c_ULTIMATE.start_main_~x0~0#1.offset| 0)) |ULTIMATE.start_main_~x1~0#1.base|) |c_ULTIMATE.start_main_~x1~0#1.offset|) 0))))) is different from false [2022-12-14 08:28:24,960 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 08:28:24,960 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 56 treesize of output 40 [2022-12-14 08:28:24,962 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 81 [2022-12-14 08:28:24,965 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-12-14 08:28:24,968 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 08:28:24,968 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 15 [2022-12-14 08:28:24,985 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 4 trivial. 2 not checked. [2022-12-14 08:28:24,985 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1484012244] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 08:28:24,985 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [947080277] [2022-12-14 08:28:24,986 INFO L159 IcfgInterpreter]: Started Sifa with 21 locations of interest [2022-12-14 08:28:24,987 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 08:28:24,987 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 08:28:24,987 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 08:28:24,987 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 08:28:25,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:25,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:25,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:25,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:25,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:25,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:25,011 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2022-12-14 08:28:25,030 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 [2022-12-14 08:28:25,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:25,052 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-12-14 08:28:25,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:25,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:25,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:25,085 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-12-14 08:28:25,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:25,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:25,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:25,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:25,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:25,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:25,129 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 38 [2022-12-14 08:28:25,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:25,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:25,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:25,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:25,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:25,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:25,184 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 41 [2022-12-14 08:28:25,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:25,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:25,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:25,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:25,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:25,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:25,356 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 41 [2022-12-14 08:28:25,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:25,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:25,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:25,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:25,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:25,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:25,534 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 41 [2022-12-14 08:28:25,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:25,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:25,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:25,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:25,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:25,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:25,593 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 41 [2022-12-14 08:28:25,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:25,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:25,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:25,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:25,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:25,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:25,674 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 41 [2022-12-14 08:28:25,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:25,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:25,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:25,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:25,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:25,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:25,819 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 41 [2022-12-14 08:28:25,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:25,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:25,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:25,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:25,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:25,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:25,948 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 41 [2022-12-14 08:28:26,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:26,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:26,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:26,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:26,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:26,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:26,055 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 41 [2022-12-14 08:28:26,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:26,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:26,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:26,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:26,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:26,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:26,128 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 41 [2022-12-14 08:28:26,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:26,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:26,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:26,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:26,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:26,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:26,312 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 41 [2022-12-14 08:28:26,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:26,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:26,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:26,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:26,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:26,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:26,453 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 41 [2022-12-14 08:28:26,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:26,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:26,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:26,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:26,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:26,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:26,598 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 41 [2022-12-14 08:28:26,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:26,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:26,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:26,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:26,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:26,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:26,659 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 41 [2022-12-14 08:28:26,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:26,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:26,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:26,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:26,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:26,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:26,725 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 41 [2022-12-14 08:28:26,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:26,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:26,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:26,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:26,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:26,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:26,870 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 41 [2022-12-14 08:28:27,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:27,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:27,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:27,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:27,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:27,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:27,025 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 41 [2022-12-14 08:28:27,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:27,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:27,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:27,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:27,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:27,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:27,100 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 41 [2022-12-14 08:28:27,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:27,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:27,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:27,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:27,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:27,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:27,201 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 41 [2022-12-14 08:28:27,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:27,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:27,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:27,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:27,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:27,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:27,367 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 41 [2022-12-14 08:28:27,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:27,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:27,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:27,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:27,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:27,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:27,515 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 41 [2022-12-14 08:28:27,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:27,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:27,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:27,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:27,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:27,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:27,613 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 41 [2022-12-14 08:28:27,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:27,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:27,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:27,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:27,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:27,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:27,676 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 41 [2022-12-14 08:28:27,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:27,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:27,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:27,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:27,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:27,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:27,832 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 41 [2022-12-14 08:28:27,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:27,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:27,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:27,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:27,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:27,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:27,969 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 41 [2022-12-14 08:28:28,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:28,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:28,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:28,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:28,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:28,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:28,106 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 41 [2022-12-14 08:28:28,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:28,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:28,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:28,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:28,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:28,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:28,190 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 41 [2022-12-14 08:28:28,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:28,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:28,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:28,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:28,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:28,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:28,262 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 41 [2022-12-14 08:28:28,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:28,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:28,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:28,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:28,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:28,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:28,407 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 41 [2022-12-14 08:28:28,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:28,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:28,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:28,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:28,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:28,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:28,556 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 41 [2022-12-14 08:28:28,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:28,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:28,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:28,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:28,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:28,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:28,618 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 41 [2022-12-14 08:28:28,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:28,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:28,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:28,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:28,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:28,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:28,683 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 41 [2022-12-14 08:28:28,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:28,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:28,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:28,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:28,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:28,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:28,850 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 41 [2022-12-14 08:28:28,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:28,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:28,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:28,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:29,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:29,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:29,001 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 41 [2022-12-14 08:28:29,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:29,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:29,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:29,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:29,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:29,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:29,092 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 41 [2022-12-14 08:28:29,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:29,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:29,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:29,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:29,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:29,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:29,164 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 41 [2022-12-14 08:28:29,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:29,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:29,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:29,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:29,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:29,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:29,347 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 41 [2022-12-14 08:28:29,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:29,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:29,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:29,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:29,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:29,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:29,489 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 41 [2022-12-14 08:28:29,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:29,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:29,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:29,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:29,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:29,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:29,622 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 41 [2022-12-14 08:28:29,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:29,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:29,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:29,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:29,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:29,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:29,701 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 41 [2022-12-14 08:28:29,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:29,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:29,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:29,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:29,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:29,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:29,775 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 41 [2022-12-14 08:28:29,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:29,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:29,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:29,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:29,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:29,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:29,914 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 41 [2022-12-14 08:28:30,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:30,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:30,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:30,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:30,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:30,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:30,168 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 41 [2022-12-14 08:28:30,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:30,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:30,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:30,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:30,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:30,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:30,216 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 41 [2022-12-14 08:28:30,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:30,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:30,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:30,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:30,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:30,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:30,291 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 41 [2022-12-14 08:28:30,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:30,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:30,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:30,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:30,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:30,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:30,434 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 41 [2022-12-14 08:28:30,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:30,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:30,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:30,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:30,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:30,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:30,559 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 41 [2022-12-14 08:28:30,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:30,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:30,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:30,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:30,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:30,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:30,656 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 41 [2022-12-14 08:28:30,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:30,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:30,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:30,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:30,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:30,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:30,731 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 41 [2022-12-14 08:28:30,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:30,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:30,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:30,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:30,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:30,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:30,876 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 41 [2022-12-14 08:28:31,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:31,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:31,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:31,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:31,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:31,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:28:31,011 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 41 [2022-12-14 08:28:31,085 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 [2022-12-14 08:28:31,099 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 [2022-12-14 08:28:31,123 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:28:31,123 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:28:31,147 INFO L321 Elim1Store]: treesize reduction 48, result has 32.4 percent of original size [2022-12-14 08:28:31,147 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 33 treesize of output 39 [2022-12-14 08:28:31,215 INFO L321 Elim1Store]: treesize reduction 93, result has 14.7 percent of original size [2022-12-14 08:28:31,215 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 3 case distinctions, treesize of input 15 treesize of output 21 [2022-12-14 08:28:31,296 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 [2022-12-14 08:28:31,298 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 08:28:36,245 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1686#(and (<= |ULTIMATE.start_main_~x2~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~x1~0#1.base|) (<= |ULTIMATE.start_main_~x1~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~x2~0#1.offset|) (<= 0 |ULTIMATE.start_main_~x0~0#1.offset|) (not (= |ULTIMATE.start_main_old_#valid#1| |#valid|)) (<= 0 |ULTIMATE.start_main_~x3~0#1.base|) (<= 0 |ULTIMATE.start_main_~x1~0#1.offset|) (<= 0 |ULTIMATE.start_main_~x3~0#1.offset|) (<= |ULTIMATE.start_main_~x3~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~x2~0#1.base|) (<= 0 |ULTIMATE.start_main_~x0~0#1.base|) (<= |ULTIMATE.start_main_~x0~0#1.offset| 0) (= |#NULL.offset| 0) (exists ((|v_ULTIMATE.start_main_#t~malloc1#1.base_8| Int)) (and (<= 0 |v_ULTIMATE.start_main_#t~malloc1#1.base_8|) (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc1#1.base_8|) 0))) (<= 0 |#StackHeapBarrier|) (= |ULTIMATE.start_main_#res#1| 0) (= |#NULL.base| 0))' at error location [2022-12-14 08:28:36,245 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 08:28:36,245 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 08:28:36,245 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 8] total 20 [2022-12-14 08:28:36,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978464150] [2022-12-14 08:28:36,245 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 08:28:36,246 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-12-14 08:28:36,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:28:36,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-12-14 08:28:36,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=251, Invalid=942, Unknown=1, NotChecked=66, Total=1260 [2022-12-14 08:28:36,247 INFO L87 Difference]: Start difference. First operand 37 states and 40 transitions. Second operand has 21 states, 21 states have (on average 3.619047619047619) internal successors, (76), 20 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:28:36,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:28:36,594 INFO L93 Difference]: Finished difference Result 49 states and 53 transitions. [2022-12-14 08:28:36,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-14 08:28:36,595 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 3.619047619047619) internal successors, (76), 20 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2022-12-14 08:28:36,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:28:36,595 INFO L225 Difference]: With dead ends: 49 [2022-12-14 08:28:36,595 INFO L226 Difference]: Without dead ends: 49 [2022-12-14 08:28:36,596 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 64 SyntacticMatches, 9 SemanticMatches, 43 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 813 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=423, Invalid=1472, Unknown=1, NotChecked=84, Total=1980 [2022-12-14 08:28:36,596 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 88 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 36 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 08:28:36,597 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 63 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 132 Invalid, 0 Unknown, 36 Unchecked, 0.1s Time] [2022-12-14 08:28:36,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2022-12-14 08:28:36,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 43. [2022-12-14 08:28:36,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 42 states have (on average 1.119047619047619) internal successors, (47), 42 states have internal predecessors, (47), 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) [2022-12-14 08:28:36,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 47 transitions. [2022-12-14 08:28:36,598 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 47 transitions. Word has length 33 [2022-12-14 08:28:36,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:28:36,598 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 47 transitions. [2022-12-14 08:28:36,598 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 3.619047619047619) internal successors, (76), 20 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:28:36,598 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 47 transitions. [2022-12-14 08:28:36,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-12-14 08:28:36,599 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:28:36,599 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:28:36,603 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b9c540-01b5-45c9-9749-0783f02a6d81/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-14 08:28:36,799 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b9c540-01b5-45c9-9749-0783f02a6d81/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 08:28:36,801 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 28 more)] === [2022-12-14 08:28:36,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:28:36,802 INFO L85 PathProgramCache]: Analyzing trace with hash 257505609, now seen corresponding path program 2 times [2022-12-14 08:28:36,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:28:36,803 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965234601] [2022-12-14 08:28:36,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:28:36,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:28:36,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:28:37,561 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 16 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 08:28:37,561 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:28:37,561 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965234601] [2022-12-14 08:28:37,561 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [965234601] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 08:28:37,561 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [74906106] [2022-12-14 08:28:37,561 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-14 08:28:37,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 08:28:37,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b9c540-01b5-45c9-9749-0783f02a6d81/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:28:37,562 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b9c540-01b5-45c9-9749-0783f02a6d81/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 08:28:37,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b9c540-01b5-45c9-9749-0783f02a6d81/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-14 08:28:37,624 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-12-14 08:28:37,624 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 08:28:37,625 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 38 conjunts are in the unsatisfiable core [2022-12-14 08:28:37,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 08:28:38,034 WARN L859 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_main_#t~malloc2#1.base_9| Int) (|v_ULTIMATE.start_main_#t~malloc0#1.base_9| Int) (v_ArrVal_538 Int) (|v_ULTIMATE.start_main_#t~malloc3#1.base_9| Int) (v_ArrVal_537 Int) (|v_ULTIMATE.start_main_#t~malloc1#1.base_9| Int)) (let ((.cse1 (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc0#1.base_9| 1))) (let ((.cse0 (store .cse1 |v_ULTIMATE.start_main_#t~malloc1#1.base_9| 1))) (and (= (select (store .cse0 |v_ULTIMATE.start_main_#t~malloc2#1.base_9| 1) |v_ULTIMATE.start_main_#t~malloc3#1.base_9|) 0) (= (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc0#1.base_9|) 0) (= (select .cse1 |v_ULTIMATE.start_main_#t~malloc1#1.base_9|) 0) (= (select .cse0 |v_ULTIMATE.start_main_#t~malloc2#1.base_9|) 0) (= |c_#valid| (store (store (store (store (store (store .cse0 |v_ULTIMATE.start_main_#t~malloc2#1.base_9| v_ArrVal_538) |v_ULTIMATE.start_main_#t~malloc3#1.base_9| v_ArrVal_537) |v_ULTIMATE.start_main_#t~malloc0#1.base_9| 0) |v_ULTIMATE.start_main_#t~malloc1#1.base_9| 0) |v_ULTIMATE.start_main_#t~malloc2#1.base_9| 0) |v_ULTIMATE.start_main_#t~malloc3#1.base_9| 0)))))) is different from true [2022-12-14 08:28:38,034 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-12-14 08:28:38,035 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 08:28:38,035 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [74906106] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:28:38,035 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 08:28:38,035 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [14] total 16 [2022-12-14 08:28:38,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008490195] [2022-12-14 08:28:38,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:28:38,035 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 08:28:38,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:28:38,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 08:28:38,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=186, Unknown=1, NotChecked=28, Total=272 [2022-12-14 08:28:38,036 INFO L87 Difference]: Start difference. First operand 43 states and 47 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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) [2022-12-14 08:28:38,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:28:38,065 INFO L93 Difference]: Finished difference Result 42 states and 46 transitions. [2022-12-14 08:28:38,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 08:28:38,065 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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 38 [2022-12-14 08:28:38,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:28:38,066 INFO L225 Difference]: With dead ends: 42 [2022-12-14 08:28:38,066 INFO L226 Difference]: Without dead ends: 0 [2022-12-14 08:28:38,066 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=57, Invalid=186, Unknown=1, NotChecked=28, Total=272 [2022-12-14 08:28:38,066 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 3 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 24 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 08:28:38,066 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 8 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 24 Unchecked, 0.0s Time] [2022-12-14 08:28:38,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-14 08:28:38,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-14 08:28:38,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2022-12-14 08:28:38,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-14 08:28:38,067 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 38 [2022-12-14 08:28:38,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:28:38,067 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-14 08:28:38,067 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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) [2022-12-14 08:28:38,067 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-14 08:28:38,067 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 08:28:38,069 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (30 of 31 remaining) [2022-12-14 08:28:38,069 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (29 of 31 remaining) [2022-12-14 08:28:38,069 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (28 of 31 remaining) [2022-12-14 08:28:38,070 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (27 of 31 remaining) [2022-12-14 08:28:38,070 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (26 of 31 remaining) [2022-12-14 08:28:38,070 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (25 of 31 remaining) [2022-12-14 08:28:38,070 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (24 of 31 remaining) [2022-12-14 08:28:38,070 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (23 of 31 remaining) [2022-12-14 08:28:38,070 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (22 of 31 remaining) [2022-12-14 08:28:38,070 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (21 of 31 remaining) [2022-12-14 08:28:38,070 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (20 of 31 remaining) [2022-12-14 08:28:38,071 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (19 of 31 remaining) [2022-12-14 08:28:38,071 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12REQUIRES_VIOLATIONMEMORY_DEREFERENCE (18 of 31 remaining) [2022-12-14 08:28:38,071 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE (17 of 31 remaining) [2022-12-14 08:28:38,071 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14REQUIRES_VIOLATIONMEMORY_DEREFERENCE (16 of 31 remaining) [2022-12-14 08:28:38,071 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15REQUIRES_VIOLATIONMEMORY_DEREFERENCE (15 of 31 remaining) [2022-12-14 08:28:38,071 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16REQUIRES_VIOLATIONMEMORY_DEREFERENCE (14 of 31 remaining) [2022-12-14 08:28:38,071 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17REQUIRES_VIOLATIONMEMORY_DEREFERENCE (13 of 31 remaining) [2022-12-14 08:28:38,071 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18REQUIRES_VIOLATIONMEMORY_DEREFERENCE (12 of 31 remaining) [2022-12-14 08:28:38,071 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (11 of 31 remaining) [2022-12-14 08:28:38,072 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20REQUIRES_VIOLATIONMEMORY_DEREFERENCE (10 of 31 remaining) [2022-12-14 08:28:38,072 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21REQUIRES_VIOLATIONMEMORY_DEREFERENCE (9 of 31 remaining) [2022-12-14 08:28:38,072 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22REQUIRES_VIOLATIONMEMORY_DEREFERENCE (8 of 31 remaining) [2022-12-14 08:28:38,072 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23REQUIRES_VIOLATIONMEMORY_DEREFERENCE (7 of 31 remaining) [2022-12-14 08:28:38,072 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24REQUIRES_VIOLATIONMEMORY_DEREFERENCE (6 of 31 remaining) [2022-12-14 08:28:38,072 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 31 remaining) [2022-12-14 08:28:38,072 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 31 remaining) [2022-12-14 08:28:38,072 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 31 remaining) [2022-12-14 08:28:38,073 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 31 remaining) [2022-12-14 08:28:38,073 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29REQUIRES_VIOLATIONMEMORY_DEREFERENCE (1 of 31 remaining) [2022-12-14 08:28:38,073 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_LEAK (0 of 31 remaining) [2022-12-14 08:28:38,077 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b9c540-01b5-45c9-9749-0783f02a6d81/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-12-14 08:28:38,274 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b9c540-01b5-45c9-9749-0783f02a6d81/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 08:28:38,282 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:28:38,288 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 08:28:38,296 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 08:28:38 BoogieIcfgContainer [2022-12-14 08:28:38,297 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 08:28:38,298 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 08:28:38,298 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 08:28:38,299 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 08:28:38,300 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:27:52" (3/4) ... [2022-12-14 08:28:38,309 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 08:28:38,323 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2022-12-14 08:28:38,323 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-12-14 08:28:38,323 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-14 08:28:38,323 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 08:28:38,348 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b9c540-01b5-45c9-9749-0783f02a6d81/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 08:28:38,348 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 08:28:38,348 INFO L158 Benchmark]: Toolchain (without parser) took 46817.03ms. Allocated memory was 167.8MB in the beginning and 243.3MB in the end (delta: 75.5MB). Free memory was 131.1MB in the beginning and 118.1MB in the end (delta: 12.9MB). Peak memory consumption was 89.7MB. Max. memory is 16.1GB. [2022-12-14 08:28:38,349 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 167.8MB. Free memory was 136.9MB in the beginning and 136.7MB in the end (delta: 188.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 08:28:38,349 INFO L158 Benchmark]: CACSL2BoogieTranslator took 163.03ms. Allocated memory is still 167.8MB. Free memory was 130.5MB in the beginning and 121.3MB in the end (delta: 9.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 08:28:38,349 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.88ms. Allocated memory is still 167.8MB. Free memory was 121.3MB in the beginning and 119.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 08:28:38,349 INFO L158 Benchmark]: Boogie Preprocessor took 13.90ms. Allocated memory is still 167.8MB. Free memory was 119.7MB in the beginning and 118.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 08:28:38,350 INFO L158 Benchmark]: RCFGBuilder took 297.48ms. Allocated memory is still 167.8MB. Free memory was 118.1MB in the beginning and 102.4MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-14 08:28:38,350 INFO L158 Benchmark]: TraceAbstraction took 46264.72ms. Allocated memory was 167.8MB in the beginning and 243.3MB in the end (delta: 75.5MB). Free memory was 101.9MB in the beginning and 120.2MB in the end (delta: -18.3MB). Peak memory consumption was 58.2MB. Max. memory is 16.1GB. [2022-12-14 08:28:38,350 INFO L158 Benchmark]: Witness Printer took 50.09ms. Allocated memory is still 243.3MB. Free memory was 120.2MB in the beginning and 118.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 08:28:38,351 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 167.8MB. Free memory was 136.9MB in the beginning and 136.7MB in the end (delta: 188.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 163.03ms. Allocated memory is still 167.8MB. Free memory was 130.5MB in the beginning and 121.3MB in the end (delta: 9.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 21.88ms. Allocated memory is still 167.8MB. Free memory was 121.3MB in the beginning and 119.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 13.90ms. Allocated memory is still 167.8MB. Free memory was 119.7MB in the beginning and 118.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 297.48ms. Allocated memory is still 167.8MB. Free memory was 118.1MB in the beginning and 102.4MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 46264.72ms. Allocated memory was 167.8MB in the beginning and 243.3MB in the end (delta: 75.5MB). Free memory was 101.9MB in the beginning and 120.2MB in the end (delta: -18.3MB). Peak memory consumption was 58.2MB. Max. memory is 16.1GB. * Witness Printer took 50.09ms. Allocated memory is still 243.3MB. Free memory was 120.2MB in the beginning and 118.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 6]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 54 locations, 31 error locations. Started 1 CEGAR loops. OverallTime: 46.2s, OverallIterations: 14, TraceHistogramMax: 5, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 5.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 590 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 590 mSDsluCounter, 386 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 94 IncrementalHoareTripleChecker+Unchecked, 206 mSDsCounter, 166 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 831 IncrementalHoareTripleChecker+Invalid, 1091 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 166 mSolverCounterUnsat, 180 mSDtfsCounter, 831 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 410 GetRequests, 227 SyntacticMatches, 14 SemanticMatches, 169 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 2139 ImplicationChecksByTransitivity, 29.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=54occurred in iteration=0, InterpolantAutomatonStates: 82, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 14 MinimizatonAttempts, 106 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 6.6s InterpolantComputationTime, 301 NumberOfCodeBlocks, 272 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 372 ConstructedInterpolants, 69 QuantifiedInterpolants, 6538 SizeOfPredicates, 53 NumberOfNonLiveVariables, 937 ConjunctsInSsa, 151 ConjunctsInUnsatCore, 23 InterpolantComputations, 10 PerfectInterpolantSequences, 97/189 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: OVERALL_TIME: 1.8s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 28, DAG_INTERPRETER_EARLY_EXITS: 4, TOOLS_POST_APPLICATIONS: 69, TOOLS_POST_TIME: 1.5s, TOOLS_POST_CALL_APPLICATIONS: 0, TOOLS_POST_CALL_TIME: 0.0s, TOOLS_POST_RETURN_APPLICATIONS: 0, TOOLS_POST_RETURN_TIME: 0.0s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 51, TOOLS_QUANTIFIERELIM_TIME: 1.5s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.1s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 110, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 5, DOMAIN_JOIN_TIME: 0.1s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME: 0.0s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 6, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 28, DOMAIN_ISBOTTOM_TIME: 0.1s, LOOP_SUMMARIZER_APPLICATIONS: 4, LOOP_SUMMARIZER_CACHE_MISSES: 4, LOOP_SUMMARIZER_OVERALL_TIME: 0.6s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 0.6s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 6, CALL_SUMMARIZER_APPLICATIONS: 0, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME: 0.0s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, PROCEDURE_GRAPH_BUILDER_TIME: 0.0s, PATH_EXPR_TIME: 0.0s, REGEX_TO_DAG_TIME: 0.0s, DAG_COMPRESSION_TIME: 0.0s, DAG_COMPRESSION_PROCESSED_NODES: 609, DAG_COMPRESSION_RETAINED_NODES: 110, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 31 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-14 08:28:38,371 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b9c540-01b5-45c9-9749-0783f02a6d81/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE