./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 dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c656c5-e08e-44dd-8361-1c2f472ac20c/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c656c5-e08e-44dd-8361-1c2f472ac20c/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_e1c656c5-e08e-44dd-8361-1c2f472ac20c/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c656c5-e08e-44dd-8361-1c2f472ac20c/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/array-patterns/array13_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c656c5-e08e-44dd-8361-1c2f472ac20c/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_e1c656c5-e08e-44dd-8361-1c2f472ac20c/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 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-dbf71c6-m [2022-10-17 16:31:24,804 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:31:24,806 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:31:24,856 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:31:24,857 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:31:24,862 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:31:24,865 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:31:24,871 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:31:24,874 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:31:24,882 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:31:24,883 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:31:24,884 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:31:24,885 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:31:24,886 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:31:24,887 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:31:24,888 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:31:24,889 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:31:24,890 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:31:24,892 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:31:24,895 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:31:24,903 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:31:24,905 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:31:24,910 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:31:24,911 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:31:24,919 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:31:24,919 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:31:24,919 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:31:24,920 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:31:24,921 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:31:24,922 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:31:24,923 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:31:24,924 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:31:24,925 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:31:24,926 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:31:24,927 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:31:24,928 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:31:24,929 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:31:24,929 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:31:24,929 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:31:24,930 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:31:24,931 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:31:24,933 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c656c5-e08e-44dd-8361-1c2f472ac20c/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:31:24,959 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:31:24,960 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:31:24,961 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:31:24,961 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:31:24,962 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:31:24,962 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:31:24,963 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:31:24,963 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:31:24,963 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:31:24,964 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:31:24,964 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:31:24,964 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:31:24,964 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:31:24,965 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:31:24,965 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:31:24,965 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:31:24,965 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:31:24,965 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:31:24,966 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:31:24,966 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:31:24,966 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:31:24,967 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:31:24,967 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:31:24,967 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:31:24,967 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:31:24,968 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:31:24,968 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:31:24,968 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:31:24,968 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_e1c656c5-e08e-44dd-8361-1c2f472ac20c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c656c5-e08e-44dd-8361-1c2f472ac20c/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 78699f7813351c3df7f7fcab3bf98fffd7a92c5cc679034a9d139e9169232d7e [2022-10-17 16:31:25,223 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:31:25,248 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:31:25,251 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:31:25,252 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:31:25,253 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:31:25,255 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c656c5-e08e-44dd-8361-1c2f472ac20c/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/array-patterns/array13_pattern.c [2022-10-17 16:31:25,325 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c656c5-e08e-44dd-8361-1c2f472ac20c/bin/ukojak-92XMlrwhuB/data/1de91af60/13817f2be41d433fba070b216392ddeb/FLAG2206366f5 [2022-10-17 16:31:25,831 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:31:25,832 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c656c5-e08e-44dd-8361-1c2f472ac20c/sv-benchmarks/c/array-patterns/array13_pattern.c [2022-10-17 16:31:25,843 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c656c5-e08e-44dd-8361-1c2f472ac20c/bin/ukojak-92XMlrwhuB/data/1de91af60/13817f2be41d433fba070b216392ddeb/FLAG2206366f5 [2022-10-17 16:31:26,189 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c656c5-e08e-44dd-8361-1c2f472ac20c/bin/ukojak-92XMlrwhuB/data/1de91af60/13817f2be41d433fba070b216392ddeb [2022-10-17 16:31:26,191 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:31:26,193 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:31:26,204 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:31:26,204 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:31:26,208 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:31:26,208 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:31:26" (1/1) ... [2022-10-17 16:31:26,210 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5709082e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:26, skipping insertion in model container [2022-10-17 16:31:26,210 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:31:26" (1/1) ... [2022-10-17 16:31:26,219 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:31:26,237 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:31:26,494 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_e1c656c5-e08e-44dd-8361-1c2f472ac20c/sv-benchmarks/c/array-patterns/array13_pattern.c[1342,1355] [2022-10-17 16:31:26,544 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:31:26,555 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:31:26,577 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_e1c656c5-e08e-44dd-8361-1c2f472ac20c/sv-benchmarks/c/array-patterns/array13_pattern.c[1342,1355] [2022-10-17 16:31:26,601 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:31:26,621 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:31:26,622 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:26 WrapperNode [2022-10-17 16:31:26,622 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:31:26,623 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:31:26,623 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:31:26,624 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:31:26,632 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:26" (1/1) ... [2022-10-17 16:31:26,640 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:26" (1/1) ... [2022-10-17 16:31:26,661 INFO L138 Inliner]: procedures = 16, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 95 [2022-10-17 16:31:26,661 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:31:26,662 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:31:26,663 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:31:26,664 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:31:26,670 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:26" (1/1) ... [2022-10-17 16:31:26,671 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:26" (1/1) ... [2022-10-17 16:31:26,673 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:26" (1/1) ... [2022-10-17 16:31:26,673 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:26" (1/1) ... [2022-10-17 16:31:26,683 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:26" (1/1) ... [2022-10-17 16:31:26,687 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:26" (1/1) ... [2022-10-17 16:31:26,699 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:26" (1/1) ... [2022-10-17 16:31:26,700 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:26" (1/1) ... [2022-10-17 16:31:26,703 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:31:26,704 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:31:26,704 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:31:26,705 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:31:26,706 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:26" (1/1) ... [2022-10-17 16:31:26,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:31:26,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c656c5-e08e-44dd-8361-1c2f472ac20c/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:31:26,738 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c656c5-e08e-44dd-8361-1c2f472ac20c/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:31:26,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c656c5-e08e-44dd-8361-1c2f472ac20c/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:31:26,777 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:31:26,778 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 16:31:26,778 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 16:31:26,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:31:26,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:31:26,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:31:26,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:31:26,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:31:26,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:31:26,779 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:31:26,835 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:31:26,836 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:31:27,054 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:31:27,115 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:31:27,115 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-10-17 16:31:27,118 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:31:27 BoogieIcfgContainer [2022-10-17 16:31:27,118 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:31:27,119 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:31:27,120 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:31:27,146 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:31:27,146 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:31:27" (1/1) ... [2022-10-17 16:31:27,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:31:27,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:27,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 28 transitions. [2022-10-17 16:31:27,271 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2022-10-17 16:31:27,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:31:27,276 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:27,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:27,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:27,495 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 16:31:27,499 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:31:27,528 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 16:31:27,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:27,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2022-10-17 16:31:27,581 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2022-10-17 16:31:27,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 16:31:27,583 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:27,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:27,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:27,713 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:31:27,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:31:27,822 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 16:31:27,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:27,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2022-10-17 16:31:27,899 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2022-10-17 16:31:27,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 16:31:27,900 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:27,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:27,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:27,962 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-17 16:31:27,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:31:28,003 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 16:31:28,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:28,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 23 states and 33 transitions. [2022-10-17 16:31:28,122 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 33 transitions. [2022-10-17 16:31:28,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:31:28,123 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:28,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:28,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:28,198 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-17 16:31:28,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:31:28,256 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 16:31:28,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:28,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 34 transitions. [2022-10-17 16:31:28,431 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2022-10-17 16:31:28,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 16:31:28,432 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:28,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:28,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:28,504 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-17 16:31:28,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:31:28,590 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 16:31:28,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:28,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 37 transitions. [2022-10-17 16:31:28,627 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2022-10-17 16:31:28,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 16:31:28,630 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:28,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:28,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:28,742 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2022-10-17 16:31:28,748 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:31:28,924 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 16:31:28,934 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 16:31:29,643 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 143 treesize of output 132 [2022-10-17 16:31:29,719 INFO L356 Elim1Store]: treesize reduction 218, result has 3.1 percent of original size [2022-10-17 16:31:29,720 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 131 treesize of output 172 [2022-10-17 16:31:29,794 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-17 16:31:29,796 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-17 16:31:29,799 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 16:31:30,018 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 16:31:30,126 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 16:31:32,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:32,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 40 states and 68 transitions. [2022-10-17 16:31:32,165 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 68 transitions. [2022-10-17 16:31:32,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-17 16:31:32,166 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:32,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:32,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:32,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-17 16:31:32,224 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:31:32,438 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:31:33,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:33,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 78 transitions. [2022-10-17 16:31:33,390 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 78 transitions. [2022-10-17 16:31:33,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 16:31:33,394 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:33,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:33,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:33,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-17 16:31:33,449 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:31:33,604 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 16:31:33,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:33,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 44 states and 79 transitions. [2022-10-17 16:31:33,959 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 79 transitions. [2022-10-17 16:31:33,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 16:31:33,960 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:33,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:34,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:34,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-17 16:31:34,010 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:31:34,231 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 16:31:34,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:34,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 45 states and 80 transitions. [2022-10-17 16:31:34,731 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 80 transitions. [2022-10-17 16:31:34,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-10-17 16:31:34,733 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:34,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:34,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:34,784 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-17 16:31:34,793 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:31:35,053 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 16:31:35,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:35,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 48 states and 88 transitions. [2022-10-17 16:31:35,986 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 88 transitions. [2022-10-17 16:31:35,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-10-17 16:31:35,992 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:35,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:36,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:36,048 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-17 16:31:36,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:31:36,155 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 16:31:36,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:36,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2022-10-17 16:31:36,360 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2022-10-17 16:31:36,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-17 16:31:36,361 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:36,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:36,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:36,403 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-17 16:31:36,405 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:31:36,531 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 16:31:38,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:38,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 61 states and 104 transitions. [2022-10-17 16:31:38,250 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 104 transitions. [2022-10-17 16:31:38,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 16:31:38,251 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:38,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:38,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:38,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-17 16:31:38,304 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:31:38,461 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 16:31:39,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:39,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 65 states and 110 transitions. [2022-10-17 16:31:39,284 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 110 transitions. [2022-10-17 16:31:39,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-17 16:31:39,285 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:39,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:39,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:39,326 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-17 16:31:39,327 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:31:39,435 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 16:31:39,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:39,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 53 states and 84 transitions. [2022-10-17 16:31:39,712 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 84 transitions. [2022-10-17 16:31:39,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-10-17 16:31:39,713 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:39,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:39,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:39,876 INFO L263 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 71 conjunts are in the unsatisfiable core [2022-10-17 16:31:39,879 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:31:40,116 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 16:31:40,124 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 16:31:40,133 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 16:31:40,343 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 16:31:40,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:31:40,354 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-17 16:31:40,356 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 16:31:40,394 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-10-17 16:31:40,402 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-10-17 16:31:40,413 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2022-10-17 16:31:40,975 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 79 treesize of output 70 [2022-10-17 16:31:40,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:31:40,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:31:40,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:31:40,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:31:40,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:31:40,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:31:40,997 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 69 treesize of output 156 [2022-10-17 16:31:41,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:31:41,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:31:41,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:31:41,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:31:41,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:31:41,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:31:41,053 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-17 16:31:41,055 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-17 16:31:41,056 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 101 treesize of output 19 [2022-10-17 16:31:41,240 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 16:31:41,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:31:41,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:31:41,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:31:41,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:31:41,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:31:41,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:31:41,255 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 16:31:41,270 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-10-17 16:31:41,294 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-10-17 16:31:41,296 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2022-10-17 16:31:43,367 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 215 treesize of output 198 [2022-10-17 16:31:43,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:31:43,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:31:43,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:31:43,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:31:43,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:31:43,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:31:43,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:31:43,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:31:43,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:31:43,691 INFO L356 Elim1Store]: treesize reduction 495, result has 6.4 percent of original size [2022-10-17 16:31:43,692 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 157 treesize of output 227 [2022-10-17 16:31:43,873 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-10-17 16:31:43,882 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-10-17 16:31:43,884 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 278