./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-patterns/array15_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_adbc3065-582d-47b5-b87c-0c921b3072fd/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adbc3065-582d-47b5-b87c-0c921b3072fd/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_adbc3065-582d-47b5-b87c-0c921b3072fd/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adbc3065-582d-47b5-b87c-0c921b3072fd/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/array-patterns/array15_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adbc3065-582d-47b5-b87c-0c921b3072fd/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_adbc3065-582d-47b5-b87c-0c921b3072fd/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 511c1484167d1d7d90ff27dae8a1569edd7c5a72fd917e4f05baeab770e0fcd4 --- 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 22:40:14,571 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 22:40:14,573 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 22:40:14,600 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 22:40:14,600 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 22:40:14,603 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 22:40:14,606 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 22:40:14,609 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 22:40:14,611 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 22:40:14,616 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 22:40:14,617 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 22:40:14,618 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 22:40:14,618 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 22:40:14,619 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 22:40:14,620 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 22:40:14,621 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 22:40:14,622 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 22:40:14,623 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 22:40:14,624 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 22:40:14,626 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 22:40:14,633 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 22:40:14,636 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 22:40:14,639 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 22:40:14,640 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 22:40:14,652 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 22:40:14,653 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 22:40:14,653 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 22:40:14,654 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 22:40:14,654 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 22:40:14,655 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 22:40:14,656 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 22:40:14,656 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 22:40:14,657 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 22:40:14,658 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 22:40:14,659 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 22:40:14,659 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 22:40:14,660 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 22:40:14,660 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 22:40:14,660 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 22:40:14,661 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 22:40:14,662 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 22:40:14,666 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adbc3065-582d-47b5-b87c-0c921b3072fd/bin/ukojak-jW3SillKbg/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-11-21 22:40:14,705 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 22:40:14,705 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 22:40:14,706 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 22:40:14,706 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 22:40:14,706 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 22:40:14,707 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 22:40:14,711 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 22:40:14,711 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 22:40:14,711 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 22:40:14,711 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 22:40:14,712 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 22:40:14,712 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 22:40:14,713 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 22:40:14,713 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 22:40:14,713 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 22:40:14,713 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 22:40:14,713 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 22:40:14,714 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 22:40:14,714 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 22:40:14,714 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 22:40:14,714 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 22:40:14,714 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:40:14,715 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 22:40:14,715 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 22:40:14,715 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 22:40:14,715 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 22:40:14,716 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 22:40:14,716 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 22:40:14,717 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_adbc3065-582d-47b5-b87c-0c921b3072fd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adbc3065-582d-47b5-b87c-0c921b3072fd/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 511c1484167d1d7d90ff27dae8a1569edd7c5a72fd917e4f05baeab770e0fcd4 [2022-11-21 22:40:15,003 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 22:40:15,026 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 22:40:15,029 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 22:40:15,030 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 22:40:15,031 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 22:40:15,032 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adbc3065-582d-47b5-b87c-0c921b3072fd/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/array-patterns/array15_pattern.c [2022-11-21 22:40:17,990 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 22:40:18,234 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 22:40:18,235 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adbc3065-582d-47b5-b87c-0c921b3072fd/sv-benchmarks/c/array-patterns/array15_pattern.c [2022-11-21 22:40:18,243 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adbc3065-582d-47b5-b87c-0c921b3072fd/bin/ukojak-jW3SillKbg/data/c78d61ec3/fa0525e9bbb94e20b8480abba148aa93/FLAGa47d4db6a [2022-11-21 22:40:18,262 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adbc3065-582d-47b5-b87c-0c921b3072fd/bin/ukojak-jW3SillKbg/data/c78d61ec3/fa0525e9bbb94e20b8480abba148aa93 [2022-11-21 22:40:18,265 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 22:40:18,268 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 22:40:18,272 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 22:40:18,272 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 22:40:18,276 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 22:40:18,277 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:40:18" (1/1) ... [2022-11-21 22:40:18,278 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@788f3de8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:40:18, skipping insertion in model container [2022-11-21 22:40:18,278 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:40:18" (1/1) ... [2022-11-21 22:40:18,286 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 22:40:18,310 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 22:40:18,494 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_adbc3065-582d-47b5-b87c-0c921b3072fd/sv-benchmarks/c/array-patterns/array15_pattern.c[1424,1437] [2022-11-21 22:40:18,537 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:40:18,553 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 22:40:18,563 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_adbc3065-582d-47b5-b87c-0c921b3072fd/sv-benchmarks/c/array-patterns/array15_pattern.c[1424,1437] [2022-11-21 22:40:18,580 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:40:18,598 INFO L208 MainTranslator]: Completed translation [2022-11-21 22:40:18,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:40:18 WrapperNode [2022-11-21 22:40:18,599 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 22:40:18,600 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 22:40:18,600 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 22:40:18,602 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 22:40:18,610 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:40:18" (1/1) ... [2022-11-21 22:40:18,616 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:40:18" (1/1) ... [2022-11-21 22:40:18,636 INFO L138 Inliner]: procedures = 16, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 96 [2022-11-21 22:40:18,637 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 22:40:18,638 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 22:40:18,638 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 22:40:18,638 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 22:40:18,647 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:40:18" (1/1) ... [2022-11-21 22:40:18,648 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:40:18" (1/1) ... [2022-11-21 22:40:18,650 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:40:18" (1/1) ... [2022-11-21 22:40:18,650 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:40:18" (1/1) ... [2022-11-21 22:40:18,655 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:40:18" (1/1) ... [2022-11-21 22:40:18,659 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:40:18" (1/1) ... [2022-11-21 22:40:18,661 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:40:18" (1/1) ... [2022-11-21 22:40:18,662 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:40:18" (1/1) ... [2022-11-21 22:40:18,664 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 22:40:18,665 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 22:40:18,665 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 22:40:18,665 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 22:40:18,666 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:40:18" (1/1) ... [2022-11-21 22:40:18,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:40:18,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adbc3065-582d-47b5-b87c-0c921b3072fd/bin/ukojak-jW3SillKbg/z3 [2022-11-21 22:40:18,698 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adbc3065-582d-47b5-b87c-0c921b3072fd/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 22:40:18,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adbc3065-582d-47b5-b87c-0c921b3072fd/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 22:40:18,734 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 22:40:18,734 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-21 22:40:18,734 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-21 22:40:18,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 22:40:18,735 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 22:40:18,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 22:40:18,735 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 22:40:18,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 22:40:18,735 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 22:40:18,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 22:40:18,809 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 22:40:18,812 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 22:40:19,115 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 22:40:19,198 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 22:40:19,199 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-11-21 22:40:19,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:40:19 BoogieIcfgContainer [2022-11-21 22:40:19,201 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 22:40:19,202 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 22:40:19,202 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 22:40:19,213 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 22:40:19,213 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:40:19" (1/1) ... [2022-11-21 22:40:19,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 22:40:19,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:40:19,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 28 transitions. [2022-11-21 22:40:19,295 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2022-11-21 22:40:19,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-21 22:40:19,300 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:40:19,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:40:19,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:40:19,540 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-21 22:40:19,545 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:40:19,571 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 22:40:19,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:40:19,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2022-11-21 22:40:19,621 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2022-11-21 22:40:19,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-21 22:40:19,622 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:40:19,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:40:19,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:40:19,735 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-21 22:40:19,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:40:19,835 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 22:40:19,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:40:19,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2022-11-21 22:40:19,941 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2022-11-21 22:40:19,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-21 22:40:19,942 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:40:19,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:40:20,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:40:20,005 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 22:40:20,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:40:20,056 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 22:40:20,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:40:20,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 23 states and 33 transitions. [2022-11-21 22:40:20,221 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 33 transitions. [2022-11-21 22:40:20,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-21 22:40:20,223 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:40:20,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:40:20,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:40:20,280 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 22:40:20,281 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:40:20,319 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-21 22:40:20,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:40:20,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 34 transitions. [2022-11-21 22:40:20,481 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2022-11-21 22:40:20,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-21 22:40:20,482 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:40:20,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:40:20,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:40:20,525 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 22:40:20,526 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:40:20,585 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-21 22:40:20,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:40:20,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 37 transitions. [2022-11-21 22:40:20,608 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2022-11-21 22:40:20,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-21 22:40:20,609 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:40:20,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:40:20,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:40:20,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 43 conjunts are in the unsatisfiable core [2022-11-21 22:40:20,662 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:40:20,877 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 22:40:21,500 INFO L321 Elim1Store]: treesize reduction 53, result has 5.4 percent of original size [2022-11-21 22:40:21,501 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 2 case distinctions, treesize of input 85 treesize of output 67 [2022-11-21 22:40:21,740 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 22:40:21,837 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 22:40:24,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:40:24,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 73 transitions. [2022-11-21 22:40:24,363 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 73 transitions. [2022-11-21 22:40:24,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-21 22:40:24,365 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:40:24,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:40:24,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:40:24,424 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-21 22:40:24,427 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:40:24,676 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-21 22:40:25,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:40:25,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 45 states and 83 transitions. [2022-11-21 22:40:25,679 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 83 transitions. [2022-11-21 22:40:25,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-21 22:40:25,682 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:40:25,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:40:25,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:40:25,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-21 22:40:25,727 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:40:26,025 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-21 22:40:26,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:40:26,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 46 states and 84 transitions. [2022-11-21 22:40:26,604 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 84 transitions. [2022-11-21 22:40:26,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-21 22:40:26,605 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:40:26,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:40:26,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:40:26,645 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-21 22:40:26,646 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:40:26,774 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-21 22:40:27,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:40:27,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 47 states and 85 transitions. [2022-11-21 22:40:27,199 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 85 transitions. [2022-11-21 22:40:27,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-21 22:40:27,200 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:40:27,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:40:27,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:40:27,240 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-21 22:40:27,242 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:40:27,510 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-21 22:40:28,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:40:28,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 49 states and 93 transitions. [2022-11-21 22:40:28,345 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 93 transitions. [2022-11-21 22:40:28,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-21 22:40:28,346 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:40:28,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:40:28,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:40:28,387 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-21 22:40:28,388 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:40:28,499 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-21 22:40:28,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:40:28,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 50 states and 93 transitions. [2022-11-21 22:40:28,761 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 93 transitions. [2022-11-21 22:40:28,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-21 22:40:28,763 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:40:28,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:40:28,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:40:28,804 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-21 22:40:28,805 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:40:28,918 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-21 22:40:29,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:40:29,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 51 states and 93 transitions. [2022-11-21 22:40:29,146 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 93 transitions. [2022-11-21 22:40:29,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-21 22:40:29,153 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:40:29,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:40:29,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:40:29,210 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-21 22:40:29,212 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:40:29,343 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-21 22:40:31,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:40:31,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 62 states and 109 transitions. [2022-11-21 22:40:31,208 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 109 transitions. [2022-11-21 22:40:31,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-21 22:40:31,209 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:40:31,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:40:31,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:40:31,286 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-21 22:40:31,290 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:40:31,474 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-21 22:40:32,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:40:32,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 66 states and 115 transitions. [2022-11-21 22:40:32,399 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 115 transitions. [2022-11-21 22:40:32,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-21 22:40:32,400 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:40:32,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:40:32,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:40:32,468 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-21 22:40:32,469 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:40:32,582 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 22 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 22:40:32,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:40:32,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 55 states and 90 transitions. [2022-11-21 22:40:32,916 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 90 transitions. [2022-11-21 22:40:32,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-21 22:40:32,917 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:40:32,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:40:33,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:40:33,032 INFO L263 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 69 conjunts are in the unsatisfiable core [2022-11-21 22:40:33,047 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:40:33,323 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 22:40:33,484 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 32 treesize of output 31 [2022-11-21 22:40:33,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:40:33,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:40:33,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:40:33,964 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-21 22:40:33,964 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 34 treesize of output 36 [2022-11-21 22:40:34,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:40:34,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:40:34,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:40:34,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:40:34,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:40:34,145 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-21 22:40:34,146 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 22:40:35,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:40:35,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:40:35,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:40:35,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:40:35,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:40:35,455 INFO L321 Elim1Store]: treesize reduction 97, result has 62.8 percent of original size [2022-11-21 22:40:35,455 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 113 treesize of output 232 [2022-11-21 22:40:42,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:40:42,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:40:42,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:40:42,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:40:42,517 INFO L321 Elim1Store]: treesize reduction 203, result has 52.7 percent of original size [2022-11-21 22:40:42,518 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 6 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 293 treesize of output 362 [2022-11-21 22:44:13,144 WARN L233 SmtUtils]: Spent 19.99s on a formula simplification. DAG size of input: 938 DAG size of output: 8 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-21 22:44:13,178 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 2 proven. 38 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 22:44:34,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:44:34,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 78 states and 129 transitions. [2022-11-21 22:44:34,748 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 129 transitions. [2022-11-21 22:44:34,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-21 22:44:34,749 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:44:34,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:44:34,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:44:34,966 INFO L263 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 76 conjunts are in the unsatisfiable core [2022-11-21 22:44:34,970 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:44:35,356 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 22:44:35,575 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 32 treesize of output 31 [2022-11-21 22:44:36,410 INFO L321 Elim1Store]: treesize reduction 57, result has 36.0 percent of original size [2022-11-21 22:44:36,410 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 49 treesize of output 51 [2022-11-21 22:44:36,736 INFO L321 Elim1Store]: treesize reduction 66, result has 20.5 percent of original size [2022-11-21 22:44:36,737 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 44 treesize of output 49 [2022-11-21 22:46:06,145 INFO L321 Elim1Store]: treesize reduction 232, result has 23.4 percent of original size [2022-11-21 22:46:06,146 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 113 treesize of output 139 [2022-11-21 22:46:32,372 INFO L321 Elim1Store]: treesize reduction 98, result has 6.7 percent of original size [2022-11-21 22:46:32,373 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 149 treesize of output 56 [2022-11-21 22:46:32,644 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 22:49:48,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:49:48,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 94 states and 156 transitions. [2022-11-21 22:49:48,460 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 156 transitions. [2022-11-21 22:49:48,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-21 22:49:48,460 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:49:48,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:49:48,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:49:48,516 INFO L263 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-21 22:49:48,517 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:49:49,752 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 13 proven. 15 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-21 22:49:55,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:49:55,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 99 states and 177 transitions. [2022-11-21 22:49:55,950 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 177 transitions. [2022-11-21 22:49:55,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-21 22:49:55,951 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:49:55,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:49:56,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:49:56,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-21 22:49:56,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:49:56,146 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 13 proven. 15 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-21 22:49:57,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:49:57,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 101 states and 177 transitions. [2022-11-21 22:49:57,978 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 177 transitions. [2022-11-21 22:49:57,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-21 22:49:57,979 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:49:57,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:49:58,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:49:58,040 INFO L263 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-21 22:49:58,042 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:49:58,169 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 13 proven. 15 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-21 22:49:58,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:49:58,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 102 states and 177 transitions. [2022-11-21 22:49:58,890 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 177 transitions. [2022-11-21 22:49:58,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-21 22:49:58,891 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:49:58,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:49:58,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:49:58,942 INFO L263 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-21 22:49:58,943 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:50:00,102 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 7 proven. 22 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-11-21 22:50:05,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:50:05,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 107 states and 186 transitions. [2022-11-21 22:50:05,654 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 186 transitions. [2022-11-21 22:50:05,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-21 22:50:05,655 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:50:05,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:50:05,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:50:05,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-21 22:50:05,727 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:50:05,778 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 7 proven. 22 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-11-21 22:50:06,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:50:06,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 108 states and 186 transitions. [2022-11-21 22:50:06,705 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 186 transitions. [2022-11-21 22:50:06,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-21 22:50:06,706 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:50:06,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:50:06,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:50:06,773 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-21 22:50:06,775 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:50:06,914 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 36 proven. 15 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-21 22:50:10,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:50:10,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 111 states and 188 transitions. [2022-11-21 22:50:10,193 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 188 transitions. [2022-11-21 22:50:10,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-21 22:50:10,193 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:50:10,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:50:10,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:50:10,251 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-21 22:50:10,253 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:50:10,391 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 36 proven. 15 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-21 22:50:11,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:50:11,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 101 states and 159 transitions. [2022-11-21 22:50:11,242 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 159 transitions. [2022-11-21 22:50:11,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-11-21 22:50:11,242 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:50:11,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:50:12,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:50:12,501 INFO L263 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 93 conjunts are in the unsatisfiable core [2022-11-21 22:50:12,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:50:13,252 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 22:50:13,661 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 32 treesize of output 31 [2022-11-21 22:50:14,396 INFO L321 Elim1Store]: treesize reduction 57, result has 36.0 percent of original size [2022-11-21 22:50:14,397 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 49 treesize of output 51 [2022-11-21 22:50:14,452 INFO L321 Elim1Store]: treesize reduction 66, result has 20.5 percent of original size [2022-11-21 22:50:14,453 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 44 treesize of output 49 [2022-11-21 22:51:32,895 INFO L321 Elim1Store]: treesize reduction 232, result has 23.4 percent of original size [2022-11-21 22:51:32,895 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 117 treesize of output 143 [2022-11-21 22:52:13,396 WARN L233 SmtUtils]: Spent 11.29s on a formula simplification that was a NOOP. DAG size: 49 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-21 22:52:35,049 WARN L233 SmtUtils]: Spent 11.90s on a formula simplification that was a NOOP. DAG size: 52 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-21 22:53:20,326 INFO L321 Elim1Store]: treesize reduction 452, result has 35.2 percent of original size [2022-11-21 22:53:20,327 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 27 case distinctions, treesize of input 187 treesize of output 341