./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-patterns/array15_pattern.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d065ebb-f490-41cd-a5a9-1b1489ca23a3/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d065ebb-f490-41cd-a5a9-1b1489ca23a3/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d065ebb-f490-41cd-a5a9-1b1489ca23a3/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d065ebb-f490-41cd-a5a9-1b1489ca23a3/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/array-patterns/array15_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d065ebb-f490-41cd-a5a9-1b1489ca23a3/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d065ebb-f490-41cd-a5a9-1b1489ca23a3/bin/ukojak-92XMlrwhuB --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 511c1484167d1d7d90ff27dae8a1569edd7c5a72fd917e4f05baeab770e0fcd4 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 17:03:36,711 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:03:36,713 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:03:36,776 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:03:36,777 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:03:36,782 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:03:36,785 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:03:36,789 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:03:36,792 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:03:36,799 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:03:36,800 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:03:36,803 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:03:36,804 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:03:36,807 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:03:36,809 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:03:36,811 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:03:36,813 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:03:36,814 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:03:36,817 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:03:36,826 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:03:36,828 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:03:36,830 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:03:36,833 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:03:36,835 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:03:36,839 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:03:36,840 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:03:36,840 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:03:36,843 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:03:36,843 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:03:36,845 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:03:36,845 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:03:36,852 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:03:36,854 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:03:36,856 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:03:36,857 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:03:36,858 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:03:36,859 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:03:36,859 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:03:36,859 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:03:36,860 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:03:36,861 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:03:36,862 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d065ebb-f490-41cd-a5a9-1b1489ca23a3/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 17:03:36,913 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:03:36,913 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:03:36,915 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:03:36,915 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 17:03:36,916 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:03:36,917 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:03:36,917 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:03:36,917 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:03:36,917 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:03:36,918 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:03:36,919 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:03:36,919 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:03:36,919 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:03:36,919 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:03:36,920 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:03:36,920 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:03:36,920 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:03:36,920 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:03:36,921 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:03:36,921 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:03:36,921 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:03:36,921 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:03:36,922 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:03:36,922 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:03:36,922 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:03:36,922 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:03:36,924 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:03:36,924 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:03:36,925 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_0d065ebb-f490-41cd-a5a9-1b1489ca23a3/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d065ebb-f490-41cd-a5a9-1b1489ca23a3/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 511c1484167d1d7d90ff27dae8a1569edd7c5a72fd917e4f05baeab770e0fcd4 [2022-10-17 17:03:37,208 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:03:37,235 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:03:37,238 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:03:37,239 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:03:37,241 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:03:37,242 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d065ebb-f490-41cd-a5a9-1b1489ca23a3/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/array-patterns/array15_pattern.c [2022-10-17 17:03:37,310 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d065ebb-f490-41cd-a5a9-1b1489ca23a3/bin/ukojak-92XMlrwhuB/data/4400234a3/0bfd439217814c229d98cab736773dd5/FLAGfb12117bf [2022-10-17 17:03:37,867 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:03:37,872 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d065ebb-f490-41cd-a5a9-1b1489ca23a3/sv-benchmarks/c/array-patterns/array15_pattern.c [2022-10-17 17:03:37,881 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d065ebb-f490-41cd-a5a9-1b1489ca23a3/bin/ukojak-92XMlrwhuB/data/4400234a3/0bfd439217814c229d98cab736773dd5/FLAGfb12117bf [2022-10-17 17:03:38,216 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d065ebb-f490-41cd-a5a9-1b1489ca23a3/bin/ukojak-92XMlrwhuB/data/4400234a3/0bfd439217814c229d98cab736773dd5 [2022-10-17 17:03:38,222 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:03:38,224 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:03:38,225 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:03:38,226 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:03:38,229 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:03:38,229 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:03:38" (1/1) ... [2022-10-17 17:03:38,232 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e0aa746 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:38, skipping insertion in model container [2022-10-17 17:03:38,232 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:03:38" (1/1) ... [2022-10-17 17:03:38,240 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:03:38,258 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:03:38,435 WARN L230 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_0d065ebb-f490-41cd-a5a9-1b1489ca23a3/sv-benchmarks/c/array-patterns/array15_pattern.c[1424,1437] [2022-10-17 17:03:38,458 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:03:38,466 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:03:38,478 WARN L230 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_0d065ebb-f490-41cd-a5a9-1b1489ca23a3/sv-benchmarks/c/array-patterns/array15_pattern.c[1424,1437] [2022-10-17 17:03:38,489 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:03:38,502 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:03:38,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:38 WrapperNode [2022-10-17 17:03:38,503 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:03:38,504 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:03:38,504 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:03:38,504 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:03:38,512 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:38" (1/1) ... [2022-10-17 17:03:38,519 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:38" (1/1) ... [2022-10-17 17:03:38,541 INFO L138 Inliner]: procedures = 16, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 96 [2022-10-17 17:03:38,541 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:03:38,542 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:03:38,542 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:03:38,542 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:03:38,551 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:38" (1/1) ... [2022-10-17 17:03:38,552 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:38" (1/1) ... [2022-10-17 17:03:38,554 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:38" (1/1) ... [2022-10-17 17:03:38,554 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:38" (1/1) ... [2022-10-17 17:03:38,560 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:38" (1/1) ... [2022-10-17 17:03:38,564 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:38" (1/1) ... [2022-10-17 17:03:38,566 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:38" (1/1) ... [2022-10-17 17:03:38,567 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:38" (1/1) ... [2022-10-17 17:03:38,570 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:03:38,571 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:03:38,571 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:03:38,571 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:03:38,572 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:38" (1/1) ... [2022-10-17 17:03:38,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:03:38,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d065ebb-f490-41cd-a5a9-1b1489ca23a3/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:03:38,604 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d065ebb-f490-41cd-a5a9-1b1489ca23a3/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:03:38,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d065ebb-f490-41cd-a5a9-1b1489ca23a3/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:03:38,656 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:03:38,656 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 17:03:38,656 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 17:03:38,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:03:38,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 17:03:38,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 17:03:38,657 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:03:38,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:03:38,658 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 17:03:38,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 17:03:38,725 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:03:38,727 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:03:38,967 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:03:39,042 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:03:39,043 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-10-17 17:03:39,046 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:03:39 BoogieIcfgContainer [2022-10-17 17:03:39,046 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:03:39,047 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 17:03:39,047 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 17:03:39,074 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 17:03:39,074 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:03:39" (1/1) ... [2022-10-17 17:03:39,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:03:39,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:39,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 28 transitions. [2022-10-17 17:03:39,152 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2022-10-17 17:03:39,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 17:03:39,157 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:39,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:39,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:39,296 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 17:03:39,300 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:03:39,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:03:39,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:39,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2022-10-17 17:03:39,388 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2022-10-17 17:03:39,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 17:03:39,389 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:39,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:39,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:39,494 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 17:03:39,496 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:03:39,564 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:03:39,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:39,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2022-10-17 17:03:39,679 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2022-10-17 17:03:39,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 17:03:39,680 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:39,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:39,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:39,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-17 17:03:39,733 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:03:39,772 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:03:39,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:39,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 23 states and 33 transitions. [2022-10-17 17:03:39,885 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 33 transitions. [2022-10-17 17:03:39,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 17:03:39,887 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:39,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:39,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:39,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-17 17:03:39,941 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:03:39,980 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 17:03:40,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:40,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 34 transitions. [2022-10-17 17:03:40,129 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2022-10-17 17:03:40,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 17:03:40,130 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:40,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:40,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:40,179 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-17 17:03:40,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:03:40,230 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 17:03:40,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:40,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 37 transitions. [2022-10-17 17:03:40,259 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2022-10-17 17:03:40,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 17:03:40,260 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:40,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:40,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:40,321 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2022-10-17 17:03:40,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:03:40,478 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 37 treesize of output 32 [2022-10-17 17:03:40,485 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 30 treesize of output 30 [2022-10-17 17:03:41,112 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 161 treesize of output 150 [2022-10-17 17:03:41,192 INFO L356 Elim1Store]: treesize reduction 218, result has 3.1 percent of original size [2022-10-17 17:03:41,193 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 149 treesize of output 190 [2022-10-17 17:03:41,282 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-17 17:03:41,284 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-17 17:03:41,286 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 93 treesize of output 16 [2022-10-17 17:03:41,531 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 40 treesize of output 28 [2022-10-17 17:03:41,634 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:03:43,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:43,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 40 states and 68 transitions. [2022-10-17 17:03:43,767 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 68 transitions. [2022-10-17 17:03:43,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-17 17:03:43,768 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:43,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:43,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:43,833 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-17 17:03:43,836 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:03:44,065 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 17:03:44,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:44,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 78 transitions. [2022-10-17 17:03:44,983 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 78 transitions. [2022-10-17 17:03:44,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 17:03:44,984 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:44,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:45,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:45,051 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-17 17:03:45,055 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:03:45,311 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 17:03:45,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:45,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 44 states and 79 transitions. [2022-10-17 17:03:45,819 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 79 transitions. [2022-10-17 17:03:45,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 17:03:45,821 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:45,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:45,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:45,880 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-17 17:03:45,883 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:03:46,002 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-17 17:03:46,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:46,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 45 states and 80 transitions. [2022-10-17 17:03:46,384 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 80 transitions. [2022-10-17 17:03:46,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-10-17 17:03:46,386 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:46,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:46,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:46,425 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-17 17:03:46,427 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:03:46,698 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 17:03:47,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:47,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 47 states and 88 transitions. [2022-10-17 17:03:47,417 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 88 transitions. [2022-10-17 17:03:47,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-10-17 17:03:47,418 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:47,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:47,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:47,463 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-17 17:03:47,470 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:03:47,564 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 17:03:47,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:47,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 48 states and 88 transitions. [2022-10-17 17:03:47,762 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 88 transitions. [2022-10-17 17:03:47,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-10-17 17:03:47,763 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:47,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:47,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:47,804 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-17 17:03:47,805 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:03:47,908 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 17:03:48,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:48,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2022-10-17 17:03:48,138 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2022-10-17 17:03:48,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-17 17:03:48,145 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:48,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:48,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:48,206 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-17 17:03:48,215 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:03:48,352 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 17:03:50,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:50,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 60 states and 104 transitions. [2022-10-17 17:03:50,042 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 104 transitions. [2022-10-17 17:03:50,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 17:03:50,043 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:50,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:50,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:50,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-17 17:03:50,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:03:50,247 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 17:03:51,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:51,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 64 states and 110 transitions. [2022-10-17 17:03:51,151 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 110 transitions. [2022-10-17 17:03:51,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-17 17:03:51,152 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:51,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:51,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:51,195 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-17 17:03:51,196 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:03:51,297 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 22 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 17:03:51,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:51,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 53 states and 85 transitions. [2022-10-17 17:03:51,609 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 85 transitions. [2022-10-17 17:03:51,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-10-17 17:03:51,610 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:51,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:52,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:52,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 75 conjunts are in the unsatisfiable core [2022-10-17 17:03:52,021 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:03:52,252 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 63 treesize of output 58 [2022-10-17 17:03:52,261 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 20 treesize of output 19 [2022-10-17 17:03:52,271 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 22 treesize of output 21 [2022-10-17 17:03:52,480 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 74 treesize of output 67 [2022-10-17 17:03:52,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:03:52,492 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-17 17:03:52,494 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 143 [2022-10-17 17:03:52,534 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-17 17:03:52,535 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-17 17:03:52,540 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-17 17:03:52,542 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 19 [2022-10-17 17:03:52,560 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-10-17 17:03:52,563 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2022-10-17 17:03:53,155 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 71 treesize of output 62 [2022-10-17 17:03:53,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:03:53,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:03:53,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:03:53,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:03:53,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:03:53,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:03:53,171 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 132 [2022-10-17 17:03:53,185 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-10-17 17:03:53,187 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 109 [2022-10-17 17:03:53,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:03:53,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:03:53,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:03:53,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:03:53,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:03:53,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:03:53,247 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 83 treesize of output 26 [2022-10-17 17:03:53,442 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 80 treesize of output 69 [2022-10-17 17:03:53,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:03:53,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:03:53,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:03:53,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:03:53,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:03:53,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:03:53,457 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 145 [2022-10-17 17:03:53,474 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-10-17 17:03:53,513 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-10-17 17:03:53,514 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2022-10-17 17:03:55,078 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 193 treesize of output 176 [2022-10-17 17:03:55,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:03:55,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:03:55,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:03:55,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:03:55,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:03:55,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:03:55,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:03:55,375 INFO L356 Elim1Store]: treesize reduction 465, result has 12.1 percent of original size [2022-10-17 17:03:55,375 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 175 treesize of output 275 [2022-10-17 17:03:55,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:03:55,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:03:55,575 INFO L356 Elim1Store]: treesize reduction 145, result has 23.3 percent of original size [2022-10-17 17:03:55,576 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 116 treesize of output 66 [2022-10-17 17:03:58,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:03:58,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:03:58,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:03:58,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:03:58,773 INFO L356 Elim1Store]: treesize reduction 36, result has 16.3 percent of original size [2022-10-17 17:03:58,774 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 199 treesize of output 89 [2022-10-17 17:03:59,129 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.