./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-patterns/array12_pattern.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d38735-d629-4996-9fc0-631688e12f81/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d38735-d629-4996-9fc0-631688e12f81/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d38735-d629-4996-9fc0-631688e12f81/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d38735-d629-4996-9fc0-631688e12f81/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/array-patterns/array12_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d38735-d629-4996-9fc0-631688e12f81/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d38735-d629-4996-9fc0-631688e12f81/bin/ukojak-rkRKPMF4O4 --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 4cd544b9fc2c4c641198812054f6f7e3a4b46d14448acc5758393bf17818405b --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 20:07:39,408 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 20:07:39,409 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 20:07:39,426 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 20:07:39,426 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 20:07:39,427 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 20:07:39,427 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 20:07:39,428 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 20:07:39,429 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 20:07:39,430 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 20:07:39,431 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 20:07:39,431 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 20:07:39,432 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 20:07:39,432 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 20:07:39,433 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 20:07:39,435 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 20:07:39,436 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 20:07:39,437 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 20:07:39,440 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 20:07:39,443 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 20:07:39,445 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 20:07:39,446 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 20:07:39,447 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 20:07:39,447 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 20:07:39,449 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 20:07:39,450 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 20:07:39,450 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 20:07:39,450 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 20:07:39,451 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 20:07:39,451 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 20:07:39,451 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 20:07:39,452 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 20:07:39,452 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 20:07:39,453 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 20:07:39,453 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 20:07:39,453 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 20:07:39,454 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 20:07:39,454 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 20:07:39,454 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 20:07:39,455 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 20:07:39,455 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 20:07:39,456 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d38735-d629-4996-9fc0-631688e12f81/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-14 20:07:39,470 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 20:07:39,471 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 20:07:39,471 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 20:07:39,471 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 20:07:39,472 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 20:07:39,472 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 20:07:39,472 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 20:07:39,472 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 20:07:39,472 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 20:07:39,472 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 20:07:39,472 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 20:07:39,473 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 20:07:39,473 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 20:07:39,473 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 20:07:39,473 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 20:07:39,473 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 20:07:39,473 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 20:07:39,473 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 20:07:39,473 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 20:07:39,473 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 20:07:39,474 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 20:07:39,474 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 20:07:39,474 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 20:07:39,474 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 20:07:39,474 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 20:07:39,474 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 20:07:39,474 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 20:07:39,474 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 20:07:39,475 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_02d38735-d629-4996-9fc0-631688e12f81/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d38735-d629-4996-9fc0-631688e12f81/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4cd544b9fc2c4c641198812054f6f7e3a4b46d14448acc5758393bf17818405b [2022-12-14 20:07:39,641 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 20:07:39,659 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 20:07:39,661 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 20:07:39,662 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 20:07:39,662 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 20:07:39,664 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d38735-d629-4996-9fc0-631688e12f81/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/array-patterns/array12_pattern.c [2022-12-14 20:07:42,182 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 20:07:42,332 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 20:07:42,332 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d38735-d629-4996-9fc0-631688e12f81/sv-benchmarks/c/array-patterns/array12_pattern.c [2022-12-14 20:07:42,337 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d38735-d629-4996-9fc0-631688e12f81/bin/ukojak-rkRKPMF4O4/data/18ec5f561/507e68746b38479db9dfe82d177a0962/FLAGfa54a2fb8 [2022-12-14 20:07:42,774 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d38735-d629-4996-9fc0-631688e12f81/bin/ukojak-rkRKPMF4O4/data/18ec5f561/507e68746b38479db9dfe82d177a0962 [2022-12-14 20:07:42,778 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 20:07:42,780 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 20:07:42,781 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 20:07:42,781 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 20:07:42,784 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 20:07:42,785 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:07:42" (1/1) ... [2022-12-14 20:07:42,786 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61d152e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:07:42, skipping insertion in model container [2022-12-14 20:07:42,786 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:07:42" (1/1) ... [2022-12-14 20:07:42,793 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 20:07:42,802 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 20:07:42,902 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_02d38735-d629-4996-9fc0-631688e12f81/sv-benchmarks/c/array-patterns/array12_pattern.c[1349,1362] [2022-12-14 20:07:42,916 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 20:07:42,922 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 20:07:42,930 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_02d38735-d629-4996-9fc0-631688e12f81/sv-benchmarks/c/array-patterns/array12_pattern.c[1349,1362] [2022-12-14 20:07:42,936 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 20:07:42,946 INFO L208 MainTranslator]: Completed translation [2022-12-14 20:07:42,946 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:07:42 WrapperNode [2022-12-14 20:07:42,946 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 20:07:42,947 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 20:07:42,947 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 20:07:42,947 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 20:07:42,953 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:07:42" (1/1) ... [2022-12-14 20:07:42,958 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:07:42" (1/1) ... [2022-12-14 20:07:42,970 INFO L138 Inliner]: procedures = 16, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 90 [2022-12-14 20:07:42,971 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 20:07:42,971 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 20:07:42,971 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 20:07:42,971 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 20:07:42,978 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:07:42" (1/1) ... [2022-12-14 20:07:42,978 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:07:42" (1/1) ... [2022-12-14 20:07:42,979 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:07:42" (1/1) ... [2022-12-14 20:07:42,979 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:07:42" (1/1) ... [2022-12-14 20:07:42,983 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:07:42" (1/1) ... [2022-12-14 20:07:42,987 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:07:42" (1/1) ... [2022-12-14 20:07:42,988 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:07:42" (1/1) ... [2022-12-14 20:07:42,988 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:07:42" (1/1) ... [2022-12-14 20:07:42,990 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 20:07:42,990 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 20:07:42,990 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 20:07:42,990 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 20:07:42,991 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:07:42" (1/1) ... [2022-12-14 20:07:42,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 20:07:43,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d38735-d629-4996-9fc0-631688e12f81/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 20:07:43,014 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d38735-d629-4996-9fc0-631688e12f81/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 20:07:43,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d38735-d629-4996-9fc0-631688e12f81/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 20:07:43,047 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 20:07:43,047 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 20:07:43,048 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 20:07:43,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 20:07:43,048 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 20:07:43,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 20:07:43,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 20:07:43,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 20:07:43,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 20:07:43,049 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 20:07:43,105 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 20:07:43,106 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 20:07:43,238 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 20:07:43,261 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 20:07:43,261 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-12-14 20:07:43,263 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:07:43 BoogieIcfgContainer [2022-12-14 20:07:43,264 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 20:07:43,264 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 20:07:43,264 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 20:07:43,272 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 20:07:43,272 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:07:43" (1/1) ... [2022-12-14 20:07:43,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 20:07:43,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:07:43,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 28 transitions. [2022-12-14 20:07:43,320 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2022-12-14 20:07:43,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 20:07:43,324 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:07:43,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:07:43,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:07:43,417 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-14 20:07:43,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 20:07:43,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:07:43,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:07:43,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2022-12-14 20:07:43,460 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2022-12-14 20:07:43,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 20:07:43,460 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:07:43,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:07:43,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:07:43,504 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 20:07:43,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 20:07:43,569 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 20:07:43,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:07:43,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2022-12-14 20:07:43,631 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2022-12-14 20:07:43,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 20:07:43,632 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:07:43,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:07:43,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:07:43,677 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 20:07:43,679 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 20:07:43,711 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 20:07:43,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:07:43,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 23 states and 33 transitions. [2022-12-14 20:07:43,813 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 33 transitions. [2022-12-14 20:07:43,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 20:07:43,814 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:07:43,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:07:43,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:07:43,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 20:07:43,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 20:07:43,897 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 20:07:44,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:07:44,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 34 transitions. [2022-12-14 20:07:44,016 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2022-12-14 20:07:44,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 20:07:44,017 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:07:44,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:07:44,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:07:44,052 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 20:07:44,054 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 20:07:44,091 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 20:07:44,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:07:44,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 37 transitions. [2022-12-14 20:07:44,113 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2022-12-14 20:07:44,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-14 20:07:44,114 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:07:44,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:07:44,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:07:44,175 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 47 conjunts are in the unsatisfiable core [2022-12-14 20:07:44,178 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 20:07:44,337 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 20:07:44,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 20:07:44,746 INFO L321 Elim1Store]: treesize reduction 154, result has 0.6 percent of original size [2022-12-14 20:07:44,746 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 2 case distinctions, treesize of input 40 treesize of output 20 [2022-12-14 20:07:44,993 INFO L321 Elim1Store]: treesize reduction 13, result has 18.8 percent of original size [2022-12-14 20:07:44,994 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 10 [2022-12-14 20:07:45,053 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 20:07:46,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:07:46,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 74 transitions. [2022-12-14 20:07:46,881 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 74 transitions. [2022-12-14 20:07:46,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-14 20:07:46,883 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:07:46,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:07:46,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:07:46,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 20:07:46,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 20:07:47,088 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 20:07:47,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:07:47,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 45 states and 84 transitions. [2022-12-14 20:07:47,649 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 84 transitions. [2022-12-14 20:07:47,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 20:07:47,650 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:07:47,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:07:47,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:07:47,674 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 20:07:47,675 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 20:07:47,842 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 20:07:48,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:07:48,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 46 states and 85 transitions. [2022-12-14 20:07:48,234 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 85 transitions. [2022-12-14 20:07:48,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 20:07:48,234 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:07:48,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:07:48,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:07:48,262 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 20:07:48,263 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 20:07:48,354 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 20:07:48,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:07:48,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 47 states and 86 transitions. [2022-12-14 20:07:48,624 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2022-12-14 20:07:48,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-14 20:07:48,625 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:07:48,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:07:48,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:07:48,651 INFO L263 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 20:07:48,652 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 20:07:48,829 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 20:07:49,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:07:49,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 49 states and 94 transitions. [2022-12-14 20:07:49,380 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 94 transitions. [2022-12-14 20:07:49,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-14 20:07:49,381 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:07:49,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:07:49,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:07:49,411 INFO L263 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 20:07:49,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 20:07:49,492 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 20:07:49,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:07:49,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 50 states and 94 transitions. [2022-12-14 20:07:49,657 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 94 transitions. [2022-12-14 20:07:49,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-14 20:07:49,658 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:07:49,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:07:49,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:07:49,684 INFO L263 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 20:07:49,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 20:07:49,778 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 20:07:49,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:07:49,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 51 states and 94 transitions. [2022-12-14 20:07:49,997 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 94 transitions. [2022-12-14 20:07:49,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 20:07:49,998 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:07:49,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:07:50,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:07:50,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 20:07:50,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 20:07:50,125 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 20:07:51,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:07:51,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 63 states and 110 transitions. [2022-12-14 20:07:51,983 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 110 transitions. [2022-12-14 20:07:51,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-14 20:07:51,984 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:07:51,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:07:52,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:07:52,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 20:07:52,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 20:07:52,135 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 20:07:52,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:07:52,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 67 states and 116 transitions. [2022-12-14 20:07:52,797 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 116 transitions. [2022-12-14 20:07:52,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-14 20:07:52,797 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:07:52,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:07:52,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:07:52,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 43 conjunts are in the unsatisfiable core [2022-12-14 20:07:52,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 20:07:53,580 INFO L321 Elim1Store]: treesize reduction 73, result has 1.4 percent of original size [2022-12-14 20:07:53,581 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 1 case distinctions, treesize of input 32 treesize of output 16 [2022-12-14 20:07:53,662 INFO L321 Elim1Store]: treesize reduction 13, result has 18.8 percent of original size [2022-12-14 20:07:53,663 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 10 [2022-12-14 20:07:53,677 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 12 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-14 20:07:55,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:07:55,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 72 states and 127 transitions. [2022-12-14 20:07:55,499 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 127 transitions. [2022-12-14 20:07:55,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 20:07:55,500 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:07:55,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:07:55,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:07:55,540 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 20:07:55,541 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 20:07:55,626 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 22 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 20:07:55,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:07:55,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 59 states and 95 transitions. [2022-12-14 20:07:55,842 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 95 transitions. [2022-12-14 20:07:55,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-12-14 20:07:55,843 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:07:55,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:07:56,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:07:56,175 INFO L263 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 85 conjunts are in the unsatisfiable core [2022-12-14 20:07:56,178 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 20:07:56,359 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 [2022-12-14 20:07:56,440 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 [2022-12-14 20:07:56,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 20:07:56,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 20:07:56,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 20:07:56,754 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 20:07:56,754 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 [2022-12-14 20:07:56,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 20:07:56,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 20:07:56,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 20:07:56,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 20:07:56,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 20:07:56,865 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 20:07:56,865 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 [2022-12-14 20:07:57,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 20:07:57,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 20:07:57,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 20:07:57,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 20:07:57,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 20:07:57,987 INFO L321 Elim1Store]: treesize reduction 315, result has 33.1 percent of original size [2022-12-14 20:07:57,987 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 11 case distinctions, treesize of input 72 treesize of output 184 [2022-12-14 20:08:02,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 20:08:02,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 20:08:02,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 20:08:02,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 20:08:05,603 INFO L321 Elim1Store]: treesize reduction 583, result has 21.6 percent of original size [2022-12-14 20:08:05,603 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 6 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 271 treesize of output 256 [2022-12-14 20:08:12,851 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 20:08:29,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:08:29,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 81 states and 133 transitions. [2022-12-14 20:08:29,478 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 133 transitions. [2022-12-14 20:08:29,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-12-14 20:08:29,478 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:08:29,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:08:30,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:08:30,055 INFO L263 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 85 conjunts are in the unsatisfiable core [2022-12-14 20:08:30,059 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 20:08:30,104 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 [2022-12-14 20:08:30,292 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 [2022-12-14 20:08:30,903 INFO L321 Elim1Store]: treesize reduction 73, result has 30.5 percent of original size [2022-12-14 20:08:30,903 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 53 treesize of output 55 [2022-12-14 20:08:31,122 INFO L321 Elim1Store]: treesize reduction 66, result has 20.5 percent of original size [2022-12-14 20:08:31,123 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 [2022-12-14 20:09:49,044 INFO L321 Elim1Store]: treesize reduction 357, result has 30.4 percent of original size [2022-12-14 20:09:49,044 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 11 case distinctions, treesize of input 72 treesize of output 184 [2022-12-14 20:10:20,277 INFO L321 Elim1Store]: treesize reduction 625, result has 20.5 percent of original size [2022-12-14 20:10:20,278 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 291 treesize of output 256 [2022-12-14 20:10:23,108 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 20:14:49,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:14:49,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 98 states and 162 transitions. [2022-12-14 20:14:49,887 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 162 transitions. [2022-12-14 20:14:49,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-12-14 20:14:49,888 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:14:49,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:14:50,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:14:50,319 INFO L263 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 85 conjunts are in the unsatisfiable core [2022-12-14 20:14:50,323 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 20:14:50,368 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2022-12-14 20:14:50,567 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 [2022-12-14 20:14:50,802 INFO L321 Elim1Store]: treesize reduction 57, result has 36.0 percent of original size [2022-12-14 20:14:50,802 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 [2022-12-14 20:14:51,052 INFO L321 Elim1Store]: treesize reduction 66, result has 20.5 percent of original size [2022-12-14 20:14:51,052 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 [2022-12-14 20:15:57,661 INFO L321 Elim1Store]: treesize reduction 357, result has 30.4 percent of original size [2022-12-14 20:15:57,661 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 11 case distinctions, treesize of input 72 treesize of output 184 [2022-12-14 20:16:07,482 INFO L321 Elim1Store]: treesize reduction 625, result has 20.5 percent of original size [2022-12-14 20:16:07,482 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 291 treesize of output 256 [2022-12-14 20:16:13,826 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 20:16:29,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:16:29,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 99 states and 163 transitions. [2022-12-14 20:16:29,800 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 163 transitions. [2022-12-14 20:16:29,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-12-14 20:16:29,801 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:16:29,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:16:29,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:16:29,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-14 20:16:29,836 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 20:16:30,898 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 13 proven. 15 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 20:16:36,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:16:36,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 104 states and 184 transitions. [2022-12-14 20:16:36,809 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 184 transitions. [2022-12-14 20:16:36,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-12-14 20:16:36,810 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:16:36,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:16:36,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:16:36,841 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-14 20:16:36,842 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 20:16:36,949 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 13 proven. 15 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 20:16:37,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:16:37,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 105 states and 184 transitions. [2022-12-14 20:16:37,723 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 184 transitions. [2022-12-14 20:16:37,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-12-14 20:16:37,723 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:16:37,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:16:37,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:16:37,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-14 20:16:37,756 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 20:16:37,850 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 13 proven. 15 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 20:16:38,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:16:38,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 106 states and 184 transitions. [2022-12-14 20:16:38,629 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 184 transitions. [2022-12-14 20:16:38,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-12-14 20:16:38,629 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:16:38,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:16:38,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:16:38,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-14 20:16:38,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 20:16:38,757 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 13 proven. 15 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 20:16:39,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:16:39,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 107 states and 184 transitions. [2022-12-14 20:16:39,373 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 184 transitions. [2022-12-14 20:16:39,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-12-14 20:16:39,373 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:16:39,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:16:39,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:16:39,407 INFO L263 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-14 20:16:39,407 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 20:16:40,330 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 7 proven. 22 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-12-14 20:16:44,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:16:44,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 112 states and 193 transitions. [2022-12-14 20:16:44,978 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 193 transitions. [2022-12-14 20:16:44,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-12-14 20:16:44,979 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:16:44,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:16:45,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:16:45,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-14 20:16:45,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 20:16:45,040 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 7 proven. 22 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-12-14 20:16:45,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:16:45,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 113 states and 193 transitions. [2022-12-14 20:16:45,796 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 193 transitions. [2022-12-14 20:16:45,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-12-14 20:16:45,796 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:16:45,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:16:45,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:16:45,827 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-14 20:16:45,828 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 20:16:45,921 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 36 proven. 15 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 20:16:48,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:16:48,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 116 states and 195 transitions. [2022-12-14 20:16:48,589 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 195 transitions. [2022-12-14 20:16:48,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-12-14 20:16:48,590 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:16:48,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:16:48,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:16:48,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-14 20:16:48,622 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 20:16:48,712 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 36 proven. 15 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 20:16:49,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:16:49,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 106 states and 167 transitions. [2022-12-14 20:16:49,434 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 167 transitions. [2022-12-14 20:16:49,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-12-14 20:16:49,435 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:16:49,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:16:51,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:16:51,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 101 conjunts are in the unsatisfiable core [2022-12-14 20:16:51,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 20:16:52,409 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 [2022-12-14 20:16:52,722 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 [2022-12-14 20:16:53,339 INFO L321 Elim1Store]: treesize reduction 57, result has 36.0 percent of original size [2022-12-14 20:16:53,340 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 [2022-12-14 20:16:53,571 INFO L321 Elim1Store]: treesize reduction 66, result has 20.5 percent of original size [2022-12-14 20:16:53,571 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 [2022-12-14 20:17:38,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 20:17:38,815 INFO L321 Elim1Store]: treesize reduction 371, result has 29.7 percent of original size [2022-12-14 20:17:38,815 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 11 case distinctions, treesize of input 77 treesize of output 187 [2022-12-14 20:18:21,312 INFO L321 Elim1Store]: treesize reduction 1745, result has 23.1 percent of original size [2022-12-14 20:18:21,312 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 1 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 56 case distinctions, treesize of input 289 treesize of output 627 [2022-12-14 20:20:19,174 WARN L233 SmtUtils]: Spent 10.12s on a formula simplification that was a NOOP. DAG size: 20 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-12-14 20:20:32,918 WARN L233 SmtUtils]: Spent 10.17s on a formula simplification that was a NOOP. DAG size: 20 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-12-14 20:20:44,693 WARN L233 SmtUtils]: Spent 10.10s on a formula simplification that was a NOOP. DAG size: 20 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-12-14 20:20:59,230 WARN L233 SmtUtils]: Spent 10.09s on a formula simplification that was a NOOP. DAG size: 20 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-12-14 20:21:19,278 WARN L233 SmtUtils]: Spent 20.01s on a formula simplification. DAG size of input: 20 DAG size of output: 1 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-12-14 20:21:39,318 WARN L233 SmtUtils]: Spent 20.01s on a formula simplification. DAG size of input: 20 DAG size of output: 1 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-12-14 20:21:59,420 WARN L233 SmtUtils]: Spent 20.01s on a formula simplification. DAG size of input: 20 DAG size of output: 1 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-12-14 20:22:19,461 WARN L233 SmtUtils]: Spent 20.01s on a formula simplification. DAG size of input: 20 DAG size of output: 1 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-12-14 20:22:55,888 WARN L233 SmtUtils]: Spent 20.01s on a formula simplification. DAG size of input: 17 DAG size of output: 1 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)