./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-patterns/array21_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_aa7b1435-0f4a-4f7a-9b61-5e2cce29f3c9/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7b1435-0f4a-4f7a-9b61-5e2cce29f3c9/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_aa7b1435-0f4a-4f7a-9b61-5e2cce29f3c9/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7b1435-0f4a-4f7a-9b61-5e2cce29f3c9/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/array-patterns/array21_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7b1435-0f4a-4f7a-9b61-5e2cce29f3c9/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_aa7b1435-0f4a-4f7a-9b61-5e2cce29f3c9/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 f1a738dced8b73ebc8edf3e480fddcd32bb19127a8255980e93fab5e96705ab3 --- 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 21:49:56,586 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 21:49:56,588 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 21:49:56,610 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 21:49:56,610 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 21:49:56,612 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 21:49:56,613 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 21:49:56,615 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 21:49:56,617 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 21:49:56,619 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 21:49:56,620 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 21:49:56,621 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 21:49:56,622 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 21:49:56,623 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 21:49:56,625 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 21:49:56,626 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 21:49:56,627 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 21:49:56,628 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 21:49:56,630 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 21:49:56,632 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 21:49:56,634 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 21:49:56,636 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 21:49:56,637 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 21:49:56,638 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 21:49:56,642 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 21:49:56,643 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 21:49:56,643 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 21:49:56,644 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 21:49:56,645 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 21:49:56,646 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 21:49:56,647 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 21:49:56,648 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 21:49:56,649 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 21:49:56,650 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 21:49:56,651 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 21:49:56,652 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 21:49:56,652 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 21:49:56,653 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 21:49:56,653 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 21:49:56,654 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 21:49:56,655 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 21:49:56,656 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7b1435-0f4a-4f7a-9b61-5e2cce29f3c9/bin/ukojak-jW3SillKbg/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-11-21 21:49:56,695 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 21:49:56,698 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 21:49:56,700 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 21:49:56,700 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 21:49:56,701 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 21:49:56,701 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 21:49:56,701 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 21:49:56,702 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 21:49:56,702 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 21:49:56,702 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 21:49:56,703 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 21:49:56,703 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 21:49:56,704 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 21:49:56,704 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 21:49:56,704 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 21:49:56,704 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 21:49:56,705 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 21:49:56,705 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 21:49:56,705 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 21:49:56,705 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 21:49:56,705 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 21:49:56,706 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 21:49:56,706 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 21:49:56,706 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 21:49:56,706 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 21:49:56,707 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 21:49:56,707 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 21:49:56,707 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 21:49:56,708 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_aa7b1435-0f4a-4f7a-9b61-5e2cce29f3c9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7b1435-0f4a-4f7a-9b61-5e2cce29f3c9/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f1a738dced8b73ebc8edf3e480fddcd32bb19127a8255980e93fab5e96705ab3 [2022-11-21 21:49:56,996 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 21:49:57,032 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 21:49:57,035 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 21:49:57,036 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 21:49:57,037 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 21:49:57,039 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7b1435-0f4a-4f7a-9b61-5e2cce29f3c9/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/array-patterns/array21_pattern.c [2022-11-21 21:50:00,137 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 21:50:00,447 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 21:50:00,447 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7b1435-0f4a-4f7a-9b61-5e2cce29f3c9/sv-benchmarks/c/array-patterns/array21_pattern.c [2022-11-21 21:50:00,454 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7b1435-0f4a-4f7a-9b61-5e2cce29f3c9/bin/ukojak-jW3SillKbg/data/5b2f63cd3/f6b472cf2b1e4b32b216ae6875963f3f/FLAG3f9b4520d [2022-11-21 21:50:00,469 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7b1435-0f4a-4f7a-9b61-5e2cce29f3c9/bin/ukojak-jW3SillKbg/data/5b2f63cd3/f6b472cf2b1e4b32b216ae6875963f3f [2022-11-21 21:50:00,472 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 21:50:00,473 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 21:50:00,475 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 21:50:00,475 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 21:50:00,479 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 21:50:00,479 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:50:00" (1/1) ... [2022-11-21 21:50:00,481 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48a35f49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:50:00, skipping insertion in model container [2022-11-21 21:50:00,481 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:50:00" (1/1) ... [2022-11-21 21:50:00,488 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 21:50:00,504 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 21:50:00,649 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_aa7b1435-0f4a-4f7a-9b61-5e2cce29f3c9/sv-benchmarks/c/array-patterns/array21_pattern.c[1340,1353] [2022-11-21 21:50:00,679 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 21:50:00,689 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 21:50:00,699 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_aa7b1435-0f4a-4f7a-9b61-5e2cce29f3c9/sv-benchmarks/c/array-patterns/array21_pattern.c[1340,1353] [2022-11-21 21:50:00,710 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 21:50:00,725 INFO L208 MainTranslator]: Completed translation [2022-11-21 21:50:00,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:50:00 WrapperNode [2022-11-21 21:50:00,726 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 21:50:00,727 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 21:50:00,727 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 21:50:00,727 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 21:50:00,735 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:50:00" (1/1) ... [2022-11-21 21:50:00,743 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:50:00" (1/1) ... [2022-11-21 21:50:00,764 INFO L138 Inliner]: procedures = 17, calls = 20, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 105 [2022-11-21 21:50:00,765 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 21:50:00,765 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 21:50:00,766 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 21:50:00,766 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 21:50:00,774 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:50:00" (1/1) ... [2022-11-21 21:50:00,774 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:50:00" (1/1) ... [2022-11-21 21:50:00,776 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:50:00" (1/1) ... [2022-11-21 21:50:00,776 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:50:00" (1/1) ... [2022-11-21 21:50:00,787 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:50:00" (1/1) ... [2022-11-21 21:50:00,792 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:50:00" (1/1) ... [2022-11-21 21:50:00,794 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:50:00" (1/1) ... [2022-11-21 21:50:00,795 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:50:00" (1/1) ... [2022-11-21 21:50:00,798 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 21:50:00,799 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 21:50:00,799 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 21:50:00,799 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 21:50:00,800 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:50:00" (1/1) ... [2022-11-21 21:50:00,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 21:50:00,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7b1435-0f4a-4f7a-9b61-5e2cce29f3c9/bin/ukojak-jW3SillKbg/z3 [2022-11-21 21:50:00,846 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7b1435-0f4a-4f7a-9b61-5e2cce29f3c9/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 21:50:00,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7b1435-0f4a-4f7a-9b61-5e2cce29f3c9/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 21:50:00,892 INFO L130 BoogieDeclarations]: Found specification of procedure outerBoundaryPatternCheck [2022-11-21 21:50:00,893 INFO L138 BoogieDeclarations]: Found implementation of procedure outerBoundaryPatternCheck [2022-11-21 21:50:00,893 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 21:50:00,893 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-21 21:50:00,893 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-21 21:50:00,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 21:50:00,893 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 21:50:00,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 21:50:00,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 21:50:00,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 21:50:00,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 21:50:00,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 21:50:00,964 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 21:50:00,967 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 21:50:01,235 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 21:50:01,363 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 21:50:01,375 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-11-21 21:50:01,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:50:01 BoogieIcfgContainer [2022-11-21 21:50:01,378 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 21:50:01,379 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 21:50:01,380 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 21:50:01,391 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 21:50:01,392 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:50:01" (1/1) ... [2022-11-21 21:50:01,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 21:50:01,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:50:01,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 37 transitions. [2022-11-21 21:50:01,486 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2022-11-21 21:50:01,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-21 21:50:01,491 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:50:01,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:50:01,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:50:01,695 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-21 21:50:01,699 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 21:50:01,740 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 21:50:01,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:50:01,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 27 states and 35 transitions. [2022-11-21 21:50:01,771 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 35 transitions. [2022-11-21 21:50:01,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-21 21:50:01,773 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:50:01,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:50:01,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:50:01,836 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-21 21:50:01,839 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 21:50:01,925 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 21:50:02,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:50:02,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 28 states and 37 transitions. [2022-11-21 21:50:02,017 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 37 transitions. [2022-11-21 21:50:02,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-21 21:50:02,018 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:50:02,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:50:02,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:50:02,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 21:50:02,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 21:50:02,127 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 21:50:02,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:50:02,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 30 states and 42 transitions. [2022-11-21 21:50:02,280 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 42 transitions. [2022-11-21 21:50:02,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-21 21:50:02,282 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:50:02,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:50:02,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:50:02,373 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 21:50:02,375 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 21:50:02,512 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 21:50:02,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:50:02,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 38 states and 53 transitions. [2022-11-21 21:50:02,773 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 53 transitions. [2022-11-21 21:50:02,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-21 21:50:02,777 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:50:02,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:50:02,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:50:02,862 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 21:50:02,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 21:50:02,950 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 21:50:02,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:50:03,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 39 states and 56 transitions. [2022-11-21 21:50:03,010 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 56 transitions. [2022-11-21 21:50:03,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-21 21:50:03,011 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:50:03,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:50:03,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:50:03,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-21 21:50:03,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 21:50:03,212 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-21 21:50:03,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:50:03,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 41 states and 60 transitions. [2022-11-21 21:50:03,464 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 60 transitions. [2022-11-21 21:50:03,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-21 21:50:03,466 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:50:03,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:50:03,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:50:03,517 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-21 21:50:03,519 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 21:50:03,656 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 21:50:04,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:50:04,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 45 states and 66 transitions. [2022-11-21 21:50:04,397 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 66 transitions. [2022-11-21 21:50:04,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-21 21:50:04,401 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:50:04,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:50:04,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:50:04,485 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-21 21:50:04,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 21:50:04,607 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 21:50:05,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:50:05,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 58 states and 86 transitions. [2022-11-21 21:50:05,248 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 86 transitions. [2022-11-21 21:50:05,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-21 21:50:05,249 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:50:05,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:50:05,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:50:05,328 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-21 21:50:05,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 21:50:05,392 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 7 proven. 8 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-21 21:50:05,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:50:05,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 40 states and 58 transitions. [2022-11-21 21:50:05,433 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 58 transitions. [2022-11-21 21:50:05,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-21 21:50:05,442 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:50:05,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:50:05,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:50:05,518 INFO L263 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-21 21:50:05,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 21:50:05,611 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 21:50:06,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:50:06,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 44 states and 64 transitions. [2022-11-21 21:50:06,036 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 64 transitions. [2022-11-21 21:50:06,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-21 21:50:06,037 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:50:06,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:50:06,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:50:06,310 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 69 conjunts are in the unsatisfiable core [2022-11-21 21:50:06,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 21:50:06,549 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 21:50:06,669 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 21:50:07,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 21:50:07,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 21:50:07,046 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-21 21:50:07,046 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 53 treesize of output 55 [2022-11-21 21:50:07,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 21:50:07,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 21:50:07,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 21:50:07,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 21:50:07,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 21:50:07,189 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-21 21:50:07,190 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 21:50:08,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 21:50:08,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 21:50:08,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 21:50:08,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 21:50:08,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 21:50:08,828 INFO L321 Elim1Store]: treesize reduction 97, result has 49.2 percent of original size [2022-11-21 21:50:08,829 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 60 treesize of output 122 [2022-11-21 21:50:12,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 21:50:12,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 21:50:12,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 21:50:12,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 21:50:12,167 INFO L321 Elim1Store]: treesize reduction 196, result has 29.7 percent of original size [2022-11-21 21:50:12,167 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 226 treesize of output 146 [2022-11-21 21:50:12,727 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 21:50:24,934 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-21 21:50:28,475 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-21 21:50:51,667 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-21 21:51:03,710 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.97s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-21 21:51:04,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:51:04,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 76 states and 124 transitions. [2022-11-21 21:51:04,910 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 124 transitions. [2022-11-21 21:51:04,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-21 21:51:04,912 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:51:04,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:51:05,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:51:05,127 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 63 conjunts are in the unsatisfiable core [2022-11-21 21:51:05,131 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 21:51:05,471 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 21:51:05,633 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 21:51:06,194 INFO L321 Elim1Store]: treesize reduction 66, result has 20.5 percent of original size [2022-11-21 21:51:06,194 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 38 treesize of output 40 [2022-11-21 21:51:06,417 INFO L321 Elim1Store]: treesize reduction 66, result has 20.5 percent of original size [2022-11-21 21:51:06,417 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 21:53:14,736 INFO L321 Elim1Store]: treesize reduction 139, result has 40.3 percent of original size [2022-11-21 21:53:14,737 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 60 treesize of output 122 [2022-11-21 21:53:45,735 INFO L321 Elim1Store]: treesize reduction 168, result has 7.2 percent of original size [2022-11-21 21:53:45,736 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 220 treesize of output 68 [2022-11-21 21:53:45,937 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 21:57:52,396 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-21 22:02:06,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:02:06,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 83 states and 142 transitions. [2022-11-21 22:02:06,690 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 142 transitions. [2022-11-21 22:02:06,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-21 22:02:06,691 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:02:06,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:02:06,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:02:06,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-21 22:02:06,755 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:02:08,088 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 23 proven. 12 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-21 22:05:00,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:05:00,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 85 states and 144 transitions. [2022-11-21 22:05:00,532 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 144 transitions. [2022-11-21 22:05:00,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-21 22:05:00,533 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:05:00,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:05:00,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:05:00,599 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-21 22:05:00,600 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:05:01,736 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 22:05:06,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:05:06,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 90 states and 156 transitions. [2022-11-21 22:05:06,603 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 156 transitions. [2022-11-21 22:05:06,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-11-21 22:05:06,604 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:05:06,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:05:06,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:05:06,661 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-21 22:05:06,663 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:05:07,676 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 22:05:12,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:05:12,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 95 states and 163 transitions. [2022-11-21 22:05:12,234 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 163 transitions. [2022-11-21 22:05:12,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-11-21 22:05:12,235 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:05:12,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:05:12,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:05:12,313 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 26 conjunts are in the unsatisfiable core [2022-11-21 22:05:12,315 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:05:14,772 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 7 proven. 14 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked.