./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-patterns/array13_pattern.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 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_462cd147-8e2a-44df-97dd-a25da33dd601/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462cd147-8e2a-44df-97dd-a25da33dd601/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_462cd147-8e2a-44df-97dd-a25da33dd601/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462cd147-8e2a-44df-97dd-a25da33dd601/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/array-patterns/array13_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462cd147-8e2a-44df-97dd-a25da33dd601/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_462cd147-8e2a-44df-97dd-a25da33dd601/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 78699f7813351c3df7f7fcab3bf98fffd7a92c5cc679034a9d139e9169232d7e --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 22:03:34,404 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 22:03:34,406 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 22:03:34,439 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 22:03:34,439 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 22:03:34,440 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 22:03:34,442 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 22:03:34,443 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 22:03:34,445 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 22:03:34,446 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 22:03:34,447 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 22:03:34,448 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 22:03:34,448 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 22:03:34,450 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 22:03:34,455 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 22:03:34,456 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 22:03:34,457 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 22:03:34,458 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 22:03:34,459 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 22:03:34,461 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 22:03:34,463 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 22:03:34,464 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 22:03:34,465 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 22:03:34,466 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 22:03:34,470 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 22:03:34,470 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 22:03:34,471 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 22:03:34,472 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 22:03:34,472 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 22:03:34,473 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 22:03:34,474 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 22:03:34,475 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 22:03:34,476 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 22:03:34,477 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 22:03:34,478 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 22:03:34,478 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 22:03:34,479 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 22:03:34,479 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 22:03:34,480 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 22:03:34,481 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 22:03:34,482 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 22:03:34,483 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462cd147-8e2a-44df-97dd-a25da33dd601/bin/ukojak-jW3SillKbg/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-11-21 22:03:34,504 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 22:03:34,505 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 22:03:34,505 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 22:03:34,506 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 22:03:34,506 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 22:03:34,507 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 22:03:34,507 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 22:03:34,507 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 22:03:34,507 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 22:03:34,508 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 22:03:34,508 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 22:03:34,508 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 22:03:34,508 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 22:03:34,509 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 22:03:34,509 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 22:03:34,509 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 22:03:34,509 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 22:03:34,509 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 22:03:34,510 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 22:03:34,510 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 22:03:34,510 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 22:03:34,510 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:03:34,511 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 22:03:34,511 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 22:03:34,511 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 22:03:34,511 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 22:03:34,512 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 22:03:34,512 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 22:03:34,512 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_462cd147-8e2a-44df-97dd-a25da33dd601/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462cd147-8e2a-44df-97dd-a25da33dd601/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 78699f7813351c3df7f7fcab3bf98fffd7a92c5cc679034a9d139e9169232d7e [2022-11-21 22:03:34,813 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 22:03:34,837 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 22:03:34,839 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 22:03:34,841 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 22:03:34,841 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 22:03:34,843 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462cd147-8e2a-44df-97dd-a25da33dd601/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/array-patterns/array13_pattern.c [2022-11-21 22:03:37,935 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 22:03:38,118 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 22:03:38,118 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462cd147-8e2a-44df-97dd-a25da33dd601/sv-benchmarks/c/array-patterns/array13_pattern.c [2022-11-21 22:03:38,123 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462cd147-8e2a-44df-97dd-a25da33dd601/bin/ukojak-jW3SillKbg/data/356b16bc5/53985ef31f124e15ad7a3d03cd641009/FLAG21606ed31 [2022-11-21 22:03:38,138 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462cd147-8e2a-44df-97dd-a25da33dd601/bin/ukojak-jW3SillKbg/data/356b16bc5/53985ef31f124e15ad7a3d03cd641009 [2022-11-21 22:03:38,140 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 22:03:38,142 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 22:03:38,143 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 22:03:38,144 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 22:03:38,153 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 22:03:38,154 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:03:38" (1/1) ... [2022-11-21 22:03:38,155 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41a04059 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:03:38, skipping insertion in model container [2022-11-21 22:03:38,156 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:03:38" (1/1) ... [2022-11-21 22:03:38,163 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 22:03:38,179 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 22:03:38,329 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_462cd147-8e2a-44df-97dd-a25da33dd601/sv-benchmarks/c/array-patterns/array13_pattern.c[1342,1355] [2022-11-21 22:03:38,348 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:03:38,356 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 22:03:38,367 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_462cd147-8e2a-44df-97dd-a25da33dd601/sv-benchmarks/c/array-patterns/array13_pattern.c[1342,1355] [2022-11-21 22:03:38,377 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:03:38,391 INFO L208 MainTranslator]: Completed translation [2022-11-21 22:03:38,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:03:38 WrapperNode [2022-11-21 22:03:38,391 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 22:03:38,393 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 22:03:38,393 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 22:03:38,393 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 22:03:38,400 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:03:38" (1/1) ... [2022-11-21 22:03:38,408 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:03:38" (1/1) ... [2022-11-21 22:03:38,429 INFO L138 Inliner]: procedures = 16, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 95 [2022-11-21 22:03:38,429 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 22:03:38,430 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 22:03:38,430 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 22:03:38,430 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 22:03:38,437 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:03:38" (1/1) ... [2022-11-21 22:03:38,438 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:03:38" (1/1) ... [2022-11-21 22:03:38,439 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:03:38" (1/1) ... [2022-11-21 22:03:38,440 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:03:38" (1/1) ... [2022-11-21 22:03:38,445 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:03:38" (1/1) ... [2022-11-21 22:03:38,449 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:03:38" (1/1) ... [2022-11-21 22:03:38,450 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:03:38" (1/1) ... [2022-11-21 22:03:38,451 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:03:38" (1/1) ... [2022-11-21 22:03:38,453 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 22:03:38,454 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 22:03:38,454 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 22:03:38,454 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 22:03:38,455 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:03:38" (1/1) ... [2022-11-21 22:03:38,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:03:38,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462cd147-8e2a-44df-97dd-a25da33dd601/bin/ukojak-jW3SillKbg/z3 [2022-11-21 22:03:38,491 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462cd147-8e2a-44df-97dd-a25da33dd601/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 22:03:38,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462cd147-8e2a-44df-97dd-a25da33dd601/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 22:03:38,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 22:03:38,534 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-21 22:03:38,534 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-21 22:03:38,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 22:03:38,535 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 22:03:38,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 22:03:38,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 22:03:38,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 22:03:38,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 22:03:38,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 22:03:38,608 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 22:03:38,609 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 22:03:38,798 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 22:03:38,867 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 22:03:38,881 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-11-21 22:03:38,883 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:03:38 BoogieIcfgContainer [2022-11-21 22:03:38,884 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 22:03:38,885 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 22:03:38,885 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 22:03:38,896 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 22:03:38,907 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:03:38" (1/1) ... [2022-11-21 22:03:38,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 22:03:38,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:03:39,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 28 transitions. [2022-11-21 22:03:39,005 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2022-11-21 22:03:39,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-21 22:03:39,010 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:03:39,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:03:39,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:03:39,177 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-21 22:03:39,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:03:39,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:03:39,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:03:39,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2022-11-21 22:03:39,266 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2022-11-21 22:03:39,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-21 22:03:39,267 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:03:39,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:03:39,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:03:39,357 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-21 22:03:39,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:03:39,475 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 22:03:39,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:03:39,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2022-11-21 22:03:39,567 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2022-11-21 22:03:39,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-21 22:03:39,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:03:39,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:03:39,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:03:39,623 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 22:03:39,625 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:03:39,678 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 22:03:39,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:03:39,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 23 states and 33 transitions. [2022-11-21 22:03:39,836 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 33 transitions. [2022-11-21 22:03:39,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-21 22:03:39,838 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:03:39,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:03:39,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:03:39,929 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 22:03:39,932 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:03:39,991 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-21 22:03:40,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:03:40,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 34 transitions. [2022-11-21 22:03:40,153 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2022-11-21 22:03:40,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-21 22:03:40,154 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:03:40,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:03:40,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:03:40,203 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 22:03:40,204 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:03:40,254 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-21 22:03:40,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:03:40,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 37 transitions. [2022-11-21 22:03:40,281 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2022-11-21 22:03:40,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-21 22:03:40,282 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:03:40,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:03:40,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:03:40,354 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 45 conjunts are in the unsatisfiable core [2022-11-21 22:03:40,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:03:40,601 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-21 22:03:41,231 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-21 22:03:41,236 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-21 22:03:41,237 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 1 case distinctions, treesize of input 67 treesize of output 56 [2022-11-21 22:03:41,510 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-21 22:03:41,629 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 22:03:44,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:03:44,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 73 transitions. [2022-11-21 22:03:44,142 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 73 transitions. [2022-11-21 22:03:44,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-21 22:03:44,144 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:03:44,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:03:44,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:03:44,204 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-21 22:03:44,207 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:03:44,438 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-21 22:03:45,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:03:45,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 45 states and 83 transitions. [2022-11-21 22:03:45,460 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 83 transitions. [2022-11-21 22:03:45,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-21 22:03:45,463 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:03:45,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:03:45,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:03:45,525 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-21 22:03:45,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:03:45,694 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-21 22:03:46,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:03:46,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 46 states and 84 transitions. [2022-11-21 22:03:46,147 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 84 transitions. [2022-11-21 22:03:46,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-21 22:03:46,148 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:03:46,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:03:46,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:03:46,186 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-21 22:03:46,188 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:03:46,444 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-21 22:03:47,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:03:47,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 47 states and 85 transitions. [2022-11-21 22:03:47,010 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 85 transitions. [2022-11-21 22:03:47,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-21 22:03:47,011 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:03:47,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:03:47,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:03:47,067 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-21 22:03:47,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:03:47,363 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-21 22:03:48,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:03:48,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 50 states and 93 transitions. [2022-11-21 22:03:48,510 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 93 transitions. [2022-11-21 22:03:48,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-21 22:03:48,513 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:03:48,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:03:48,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:03:48,555 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-21 22:03:48,556 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:03:48,677 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-21 22:03:48,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:03:48,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 51 states and 93 transitions. [2022-11-21 22:03:48,900 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 93 transitions. [2022-11-21 22:03:48,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-21 22:03:48,901 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:03:48,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:03:48,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:03:48,942 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-21 22:03:48,943 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:03:49,083 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-21 22:03:50,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:03:50,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 62 states and 109 transitions. [2022-11-21 22:03:50,998 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 109 transitions. [2022-11-21 22:03:50,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-21 22:03:50,999 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:03:50,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:03:51,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:03:51,048 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-21 22:03:51,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:03:51,247 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-21 22:03:52,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:03:52,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 66 states and 115 transitions. [2022-11-21 22:03:52,169 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 115 transitions. [2022-11-21 22:03:52,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-21 22:03:52,170 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:03:52,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:03:52,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:03:52,240 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-21 22:03:52,241 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:03:52,351 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 22 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 22:03:52,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:03:52,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 55 states and 90 transitions. [2022-11-21 22:03:52,675 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 90 transitions. [2022-11-21 22:03:52,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-21 22:03:52,676 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:03:52,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:03:52,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:03:52,844 INFO L263 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 80 conjunts are in the unsatisfiable core [2022-11-21 22:03:52,848 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:03:53,107 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2022-11-21 22:03:53,262 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 31 [2022-11-21 22:03:53,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:03:53,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:03:53,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:03:53,767 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-21 22:03:53,768 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 38 treesize of output 40 [2022-11-21 22:03:53,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:03:53,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:03:53,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:03:53,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:03:53,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:03:53,953 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-21 22:03:53,954 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 44 treesize of output 49 [2022-11-21 22:03:55,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:03:55,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:03:55,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:03:55,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:03:55,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:03:55,523 INFO L321 Elim1Store]: treesize reduction 204, result has 21.8 percent of original size [2022-11-21 22:03:55,523 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 95 treesize of output 107 [2022-11-21 22:03:57,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:03:57,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:03:57,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:03:57,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:03:57,892 INFO L321 Elim1Store]: treesize reduction 21, result has 12.5 percent of original size [2022-11-21 22:03:57,892 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 85 treesize of output 34 [2022-11-21 22:03:58,087 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 22:04:10,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:04:10,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 77 states and 128 transitions. [2022-11-21 22:04:10,545 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 128 transitions. [2022-11-21 22:04:10,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-21 22:04:10,546 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:04:10,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:04:10,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:04:10,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 77 conjunts are in the unsatisfiable core [2022-11-21 22:04:10,938 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:04:11,257 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2022-11-21 22:04:11,452 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 31 [2022-11-21 22:04:12,114 INFO L321 Elim1Store]: treesize reduction 57, result has 36.0 percent of original size [2022-11-21 22:04:12,114 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 49 treesize of output 51 [2022-11-21 22:04:12,427 INFO L321 Elim1Store]: treesize reduction 66, result has 20.5 percent of original size [2022-11-21 22:04:12,428 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 44 treesize of output 49 [2022-11-21 22:04:15,983 INFO L321 Elim1Store]: treesize reduction 231, result has 23.8 percent of original size [2022-11-21 22:04:15,984 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 95 treesize of output 122 [2022-11-21 22:04:19,487 INFO L321 Elim1Store]: treesize reduction 63, result has 4.5 percent of original size [2022-11-21 22:04:19,488 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 106 treesize of output 36 [2022-11-21 22:04:19,544 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 22:04:45,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:04:45,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 94 states and 158 transitions. [2022-11-21 22:04:45,515 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 158 transitions. [2022-11-21 22:04:45,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-21 22:04:45,516 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:04:45,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:04:45,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:04:45,783 INFO L263 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 77 conjunts are in the unsatisfiable core [2022-11-21 22:04:45,786 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:04:46,180 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2022-11-21 22:04:46,426 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 31 [2022-11-21 22:04:47,241 INFO L321 Elim1Store]: treesize reduction 50, result has 25.4 percent of original size [2022-11-21 22:04:47,242 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 34 treesize of output 36 [2022-11-21 22:04:47,660 INFO L321 Elim1Store]: treesize reduction 66, result has 20.5 percent of original size [2022-11-21 22:04:47,661 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 44 treesize of output 49 [2022-11-21 22:07:39,746 INFO L321 Elim1Store]: treesize reduction 246, result has 18.8 percent of original size [2022-11-21 22:07:39,746 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 95 treesize of output 107 [2022-11-21 22:07:44,175 INFO L321 Elim1Store]: treesize reduction 63, result has 4.5 percent of original size [2022-11-21 22:07:44,176 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 94 treesize of output 34 [2022-11-21 22:07:44,232 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 22:10:09,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:10:09,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 97 states and 163 transitions. [2022-11-21 22:10:09,513 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 163 transitions. [2022-11-21 22:10:09,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-21 22:10:09,514 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:10:09,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:10:09,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:10:09,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-21 22:10:09,568 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:10:10,486 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 22:10:15,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:10:15,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 102 states and 184 transitions. [2022-11-21 22:10:15,785 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 184 transitions. [2022-11-21 22:10:15,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-21 22:10:15,786 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:10:15,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:10:15,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:10:15,833 INFO L263 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-21 22:10:15,834 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:10:15,979 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 22:10:17,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:10:17,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 104 states and 184 transitions. [2022-11-21 22:10:17,587 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 184 transitions. [2022-11-21 22:10:17,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-21 22:10:17,588 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:10:17,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:10:17,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:10:17,639 INFO L263 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-21 22:10:17,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:10:17,784 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 22:10:18,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:10:18,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 105 states and 184 transitions. [2022-11-21 22:10:18,502 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 184 transitions. [2022-11-21 22:10:18,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-21 22:10:18,503 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:10:18,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:10:18,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:10:18,552 INFO L263 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-21 22:10:18,554 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:10:19,566 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 22:10:24,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:10:24,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 110 states and 193 transitions. [2022-11-21 22:10:24,035 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 193 transitions. [2022-11-21 22:10:24,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-21 22:10:24,036 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:10:24,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:10:24,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:10:24,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-21 22:10:24,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:10:24,138 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 22:10:24,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:10:24,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 111 states and 193 transitions. [2022-11-21 22:10:24,883 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 193 transitions. [2022-11-21 22:10:24,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-21 22:10:24,884 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:10:24,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:10:24,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:10:24,985 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-21 22:10:24,986 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:10:25,109 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 36 proven. 15 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-21 22:10:25,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:10:25,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 112 states and 193 transitions. [2022-11-21 22:10:25,869 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 193 transitions. [2022-11-21 22:10:25,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-21 22:10:25,870 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:10:25,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:10:25,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:10:25,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-21 22:10:25,930 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:10:26,058 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 36 proven. 15 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-21 22:10:28,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:10:28,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 103 states and 162 transitions. [2022-11-21 22:10:28,651 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 162 transitions. [2022-11-21 22:10:28,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-11-21 22:10:28,652 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:10:28,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:10:29,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:10:29,511 INFO L263 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 92 conjunts are in the unsatisfiable core [2022-11-21 22:10:29,516 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:10:29,565 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2022-11-21 22:10:29,797 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 31 [2022-11-21 22:10:29,880 INFO L321 Elim1Store]: treesize reduction 50, result has 25.4 percent of original size [2022-11-21 22:10:29,880 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 34 treesize of output 36 [2022-11-21 22:10:29,941 INFO L321 Elim1Store]: treesize reduction 66, result has 20.5 percent of original size [2022-11-21 22:10:29,942 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 44 treesize of output 49 [2022-11-21 22:13:40,343 INFO L321 Elim1Store]: treesize reduction 246, result has 18.8 percent of original size [2022-11-21 22:13:40,344 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 99 treesize of output 111 [2022-11-21 22:16:09,909 WARN L233 SmtUtils]: Spent 5.25s on a formula simplification that was a NOOP. DAG size: 42 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)