./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-patterns/array30_pattern.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 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_b87e13ee-7cbc-487e-9b6a-5af3a4e256c2/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87e13ee-7cbc-487e-9b6a-5af3a4e256c2/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87e13ee-7cbc-487e-9b6a-5af3a4e256c2/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87e13ee-7cbc-487e-9b6a-5af3a4e256c2/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/array-patterns/array30_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87e13ee-7cbc-487e-9b6a-5af3a4e256c2/bin/ukojak-jW3SillKbg/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87e13ee-7cbc-487e-9b6a-5af3a4e256c2/bin/ukojak-jW3SillKbg --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bf9fb5599b361d63a40d668c035ff2f49b2f61ec342dc99fdd2f9d975d29190c --- 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-b5237d8 [2022-11-21 23:22:14,981 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:22:14,983 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:22:15,004 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:22:15,004 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:22:15,006 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:22:15,007 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:22:15,009 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:22:15,011 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:22:15,012 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:22:15,013 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:22:15,014 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:22:15,014 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:22:15,016 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:22:15,017 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:22:15,018 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:22:15,019 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:22:15,020 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:22:15,022 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:22:15,024 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:22:15,025 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:22:15,027 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:22:15,028 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:22:15,030 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:22:15,034 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:22:15,034 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:22:15,035 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:22:15,036 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:22:15,036 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:22:15,038 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:22:15,038 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:22:15,039 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:22:15,040 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:22:15,041 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:22:15,042 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:22:15,042 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:22:15,043 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:22:15,044 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:22:15,044 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:22:15,045 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:22:15,046 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:22:15,047 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87e13ee-7cbc-487e-9b6a-5af3a4e256c2/bin/ukojak-jW3SillKbg/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-11-21 23:22:15,070 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:22:15,071 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:22:15,072 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:22:15,072 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:22:15,073 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:22:15,073 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:22:15,074 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:22:15,074 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 23:22:15,074 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 23:22:15,075 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 23:22:15,075 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:22:15,075 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:22:15,076 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:22:15,076 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:22:15,077 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 23:22:15,077 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:22:15,077 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:22:15,078 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:22:15,078 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:22:15,078 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:22:15,079 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:22:15,079 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:22:15,080 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:22:15,080 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:22:15,080 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:22:15,081 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 23:22:15,081 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 23:22:15,081 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:22:15,082 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_b87e13ee-7cbc-487e-9b6a-5af3a4e256c2/bin/ukojak-jW3SillKbg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87e13ee-7cbc-487e-9b6a-5af3a4e256c2/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bf9fb5599b361d63a40d668c035ff2f49b2f61ec342dc99fdd2f9d975d29190c [2022-11-21 23:22:15,353 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:22:15,389 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:22:15,392 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:22:15,393 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:22:15,394 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:22:15,397 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87e13ee-7cbc-487e-9b6a-5af3a4e256c2/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/array-patterns/array30_pattern.c [2022-11-21 23:22:18,575 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:22:18,796 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:22:18,797 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87e13ee-7cbc-487e-9b6a-5af3a4e256c2/sv-benchmarks/c/array-patterns/array30_pattern.c [2022-11-21 23:22:18,804 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87e13ee-7cbc-487e-9b6a-5af3a4e256c2/bin/ukojak-jW3SillKbg/data/552ffef14/7ed98310fed84b5bba19a5701bbf7610/FLAG64001cbc7 [2022-11-21 23:22:18,817 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87e13ee-7cbc-487e-9b6a-5af3a4e256c2/bin/ukojak-jW3SillKbg/data/552ffef14/7ed98310fed84b5bba19a5701bbf7610 [2022-11-21 23:22:18,820 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:22:18,822 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:22:18,823 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:22:18,824 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:22:18,827 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:22:18,828 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:22:18" (1/1) ... [2022-11-21 23:22:18,829 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64f67bc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:22:18, skipping insertion in model container [2022-11-21 23:22:18,829 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:22:18" (1/1) ... [2022-11-21 23:22:18,837 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:22:18,852 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:22:18,987 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87e13ee-7cbc-487e-9b6a-5af3a4e256c2/sv-benchmarks/c/array-patterns/array30_pattern.c[1189,1202] [2022-11-21 23:22:19,013 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:22:19,023 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 23:22:19,033 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87e13ee-7cbc-487e-9b6a-5af3a4e256c2/sv-benchmarks/c/array-patterns/array30_pattern.c[1189,1202] [2022-11-21 23:22:19,049 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:22:19,065 INFO L208 MainTranslator]: Completed translation [2022-11-21 23:22:19,065 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:22:19 WrapperNode [2022-11-21 23:22:19,066 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 23:22:19,067 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 23:22:19,067 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 23:22:19,069 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 23:22:19,077 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:22:19" (1/1) ... [2022-11-21 23:22:19,086 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:22:19" (1/1) ... [2022-11-21 23:22:19,108 INFO L138 Inliner]: procedures = 17, calls = 15, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 80 [2022-11-21 23:22:19,108 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 23:22:19,109 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 23:22:19,109 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 23:22:19,109 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 23:22:19,118 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:22:19" (1/1) ... [2022-11-21 23:22:19,119 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:22:19" (1/1) ... [2022-11-21 23:22:19,121 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:22:19" (1/1) ... [2022-11-21 23:22:19,121 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:22:19" (1/1) ... [2022-11-21 23:22:19,126 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:22:19" (1/1) ... [2022-11-21 23:22:19,132 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:22:19" (1/1) ... [2022-11-21 23:22:19,133 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:22:19" (1/1) ... [2022-11-21 23:22:19,134 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:22:19" (1/1) ... [2022-11-21 23:22:19,136 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 23:22:19,137 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 23:22:19,137 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 23:22:19,138 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 23:22:19,139 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:22:19" (1/1) ... [2022-11-21 23:22:19,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:22:19,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87e13ee-7cbc-487e-9b6a-5af3a4e256c2/bin/ukojak-jW3SillKbg/z3 [2022-11-21 23:22:19,171 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87e13ee-7cbc-487e-9b6a-5af3a4e256c2/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 23:22:19,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87e13ee-7cbc-487e-9b6a-5af3a4e256c2/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 23:22:19,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 23:22:19,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 23:22:19,221 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 23:22:19,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 23:22:19,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 23:22:19,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 23:22:19,222 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 23:22:19,222 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 23:22:19,310 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 23:22:19,312 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 23:22:19,463 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 23:22:19,538 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 23:22:19,538 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-21 23:22:19,541 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:22:19 BoogieIcfgContainer [2022-11-21 23:22:19,542 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 23:22:19,543 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 23:22:19,543 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 23:22:19,562 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 23:22:19,563 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:22:19" (1/1) ... [2022-11-21 23:22:19,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 23:22:19,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:22:19,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 10 states and 14 transitions. [2022-11-21 23:22:19,663 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 14 transitions. [2022-11-21 23:22:19,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-21 23:22:19,666 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:22:19,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:22:19,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:22:19,838 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-21 23:22:19,842 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:22:19,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:22:20,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:22:20,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2022-11-21 23:22:20,008 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2022-11-21 23:22:20,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-21 23:22:20,009 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:22:20,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:22:20,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:22:20,063 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 23:22:20,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:22:20,101 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:22:20,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:22:20,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 13 states and 20 transitions. [2022-11-21 23:22:20,263 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 20 transitions. [2022-11-21 23:22:20,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-21 23:22:20,266 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:22:20,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:22:20,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:22:20,309 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 23:22:20,310 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:22:20,347 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-21 23:22:20,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:22:20,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 14 states and 21 transitions. [2022-11-21 23:22:20,477 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 21 transitions. [2022-11-21 23:22:20,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-21 23:22:20,477 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:22:20,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:22:20,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:22:20,517 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 23:22:20,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:22:20,612 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-21 23:22:20,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:22:20,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 15 states and 24 transitions. [2022-11-21 23:22:20,652 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 24 transitions. [2022-11-21 23:22:20,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-21 23:22:20,653 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:22:20,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:22:20,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:22:20,726 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 40 conjunts are in the unsatisfiable core [2022-11-21 23:22:20,730 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:22:20,933 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-21 23:22:21,159 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 [2022-11-21 23:22:21,273 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:22:22,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:22:22,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 24 states and 45 transitions. [2022-11-21 23:22:22,656 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 45 transitions. [2022-11-21 23:22:22,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-21 23:22:22,657 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:22:22,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:22:22,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:22:22,708 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-21 23:22:22,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:22:22,905 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 23:22:23,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:22:23,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 27 states and 55 transitions. [2022-11-21 23:22:23,755 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 55 transitions. [2022-11-21 23:22:23,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-21 23:22:23,756 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:22:23,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:22:23,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:22:23,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-21 23:22:23,793 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:22:23,939 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-21 23:22:24,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:22:24,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 28 states and 56 transitions. [2022-11-21 23:22:24,310 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 56 transitions. [2022-11-21 23:22:24,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-21 23:22:24,311 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:22:24,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:22:24,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:22:24,341 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-21 23:22:24,342 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:22:24,539 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 23:22:24,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:22:24,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 29 states and 57 transitions. [2022-11-21 23:22:24,957 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 57 transitions. [2022-11-21 23:22:24,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-21 23:22:24,959 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:22:24,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:22:25,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:22:25,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-21 23:22:25,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:22:25,290 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 23:22:26,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:22:26,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 31 states and 65 transitions. [2022-11-21 23:22:26,012 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 65 transitions. [2022-11-21 23:22:26,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-21 23:22:26,014 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:22:26,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:22:26,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:22:26,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-21 23:22:26,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:22:26,172 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 23:22:26,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:22:26,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 32 states and 65 transitions. [2022-11-21 23:22:26,416 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 65 transitions. [2022-11-21 23:22:26,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-21 23:22:26,418 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:22:26,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:22:26,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:22:26,457 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-21 23:22:26,466 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:22:26,570 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 23:22:26,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:22:26,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 33 states and 65 transitions. [2022-11-21 23:22:26,757 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 65 transitions. [2022-11-21 23:22:26,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-21 23:22:26,758 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:22:26,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:22:26,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:22:26,812 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-21 23:22:26,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:22:26,928 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-21 23:22:28,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:22:28,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 38 states and 72 transitions. [2022-11-21 23:22:28,044 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 72 transitions. [2022-11-21 23:22:28,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-21 23:22:28,045 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:22:28,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:22:28,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:22:28,101 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-21 23:22:28,103 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:22:28,253 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-21 23:22:29,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:22:29,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 78 transitions. [2022-11-21 23:22:29,297 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 78 transitions. [2022-11-21 23:22:29,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-21 23:22:29,298 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:22:29,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:22:29,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:22:29,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-21 23:22:29,368 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:22:29,472 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 18 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-21 23:22:29,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:22:29,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 37 states and 62 transitions. [2022-11-21 23:22:29,740 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 62 transitions. [2022-11-21 23:22:29,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-21 23:22:29,741 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:22:29,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:22:29,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:22:29,854 WARN L261 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 103 conjunts are in the unsatisfiable core [2022-11-21 23:22:29,858 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:22:30,076 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 17 treesize of output 13 [2022-11-21 23:22:30,227 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 36 treesize of output 35 [2022-11-21 23:22:30,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:22:30,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:22:30,773 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-21 23:22:30,774 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 1 case distinctions, treesize of input 61 treesize of output 63 [2022-11-21 23:22:30,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:22:30,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:22:30,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:22:30,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:22:30,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:22:30,996 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-21 23:22:30,997 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 3 case distinctions, treesize of input 44 treesize of output 49 [2022-11-21 23:22:32,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:22:32,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:22:32,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:22:32,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:22:32,427 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-21 23:22:32,429 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 64 treesize of output 20 [2022-11-21 23:22:32,553 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:22:40,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:22:40,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 54 states and 89 transitions. [2022-11-21 23:22:40,410 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 89 transitions. [2022-11-21 23:22:40,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-21 23:22:40,411 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:22:40,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:22:40,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:22:40,517 WARN L261 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 101 conjunts are in the unsatisfiable core [2022-11-21 23:22:40,521 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:22:40,592 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 21 treesize of output 17 [2022-11-21 23:22:40,823 INFO L321 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2022-11-21 23:22:40,823 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 28 treesize of output 27 [2022-11-21 23:22:41,973 INFO L321 Elim1Store]: treesize reduction 91, result has 24.2 percent of original size [2022-11-21 23:22:41,973 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 54 [2022-11-21 23:22:42,996 INFO L321 Elim1Store]: treesize reduction 330, result has 14.7 percent of original size [2022-11-21 23:22:42,997 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 134 treesize of output 139 [2022-11-21 23:22:57,334 INFO L321 Elim1Store]: treesize reduction 803, result has 1.2 percent of original size [2022-11-21 23:22:57,335 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 179 treesize of output 35