./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 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a280f2f0-9de1-4667-87da-cb4088bf6be5/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a280f2f0-9de1-4667-87da-cb4088bf6be5/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a280f2f0-9de1-4667-87da-cb4088bf6be5/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a280f2f0-9de1-4667-87da-cb4088bf6be5/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/array-patterns/array13_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a280f2f0-9de1-4667-87da-cb4088bf6be5/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a280f2f0-9de1-4667-87da-cb4088bf6be5/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 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-2329fc7 [2022-12-14 18:54:04,543 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 18:54:04,544 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 18:54:04,561 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 18:54:04,561 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 18:54:04,562 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 18:54:04,563 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 18:54:04,565 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 18:54:04,566 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 18:54:04,567 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 18:54:04,568 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 18:54:04,569 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 18:54:04,569 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 18:54:04,570 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 18:54:04,571 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 18:54:04,572 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 18:54:04,573 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 18:54:04,574 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 18:54:04,575 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 18:54:04,577 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 18:54:04,578 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 18:54:04,579 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 18:54:04,580 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 18:54:04,581 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 18:54:04,584 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 18:54:04,585 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 18:54:04,585 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 18:54:04,586 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 18:54:04,586 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 18:54:04,587 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 18:54:04,587 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 18:54:04,588 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 18:54:04,588 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 18:54:04,589 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 18:54:04,590 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 18:54:04,590 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 18:54:04,591 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 18:54:04,591 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 18:54:04,591 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 18:54:04,592 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 18:54:04,592 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 18:54:04,593 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a280f2f0-9de1-4667-87da-cb4088bf6be5/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-14 18:54:04,612 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 18:54:04,612 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 18:54:04,613 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 18:54:04,613 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 18:54:04,614 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 18:54:04,614 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 18:54:04,614 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 18:54:04,614 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 18:54:04,615 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 18:54:04,615 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 18:54:04,615 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 18:54:04,615 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 18:54:04,615 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 18:54:04,615 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 18:54:04,615 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 18:54:04,616 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 18:54:04,616 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 18:54:04,616 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 18:54:04,616 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 18:54:04,616 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 18:54:04,617 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 18:54:04,617 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 18:54:04,617 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 18:54:04,617 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 18:54:04,617 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 18:54:04,618 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 18:54:04,618 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 18:54:04,618 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 18:54:04,618 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_a280f2f0-9de1-4667-87da-cb4088bf6be5/bin/ukojak-rkRKPMF4O4/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a280f2f0-9de1-4667-87da-cb4088bf6be5/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 78699f7813351c3df7f7fcab3bf98fffd7a92c5cc679034a9d139e9169232d7e [2022-12-14 18:54:04,806 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 18:54:04,825 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 18:54:04,828 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 18:54:04,829 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 18:54:04,829 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 18:54:04,831 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a280f2f0-9de1-4667-87da-cb4088bf6be5/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/array-patterns/array13_pattern.c [2022-12-14 18:54:07,416 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 18:54:07,554 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 18:54:07,555 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a280f2f0-9de1-4667-87da-cb4088bf6be5/sv-benchmarks/c/array-patterns/array13_pattern.c [2022-12-14 18:54:07,560 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a280f2f0-9de1-4667-87da-cb4088bf6be5/bin/ukojak-rkRKPMF4O4/data/9e800fcb6/b860fcb937624a888a8bb62a62c67bb3/FLAGcaf3977a7 [2022-12-14 18:54:07,572 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a280f2f0-9de1-4667-87da-cb4088bf6be5/bin/ukojak-rkRKPMF4O4/data/9e800fcb6/b860fcb937624a888a8bb62a62c67bb3 [2022-12-14 18:54:07,574 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 18:54:07,576 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 18:54:07,576 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 18:54:07,577 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 18:54:07,579 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 18:54:07,580 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:54:07" (1/1) ... [2022-12-14 18:54:07,580 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@403c68ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:54:07, skipping insertion in model container [2022-12-14 18:54:07,580 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:54:07" (1/1) ... [2022-12-14 18:54:07,587 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 18:54:07,601 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 18:54:07,716 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a280f2f0-9de1-4667-87da-cb4088bf6be5/sv-benchmarks/c/array-patterns/array13_pattern.c[1342,1355] [2022-12-14 18:54:07,736 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 18:54:07,744 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 18:54:07,753 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a280f2f0-9de1-4667-87da-cb4088bf6be5/sv-benchmarks/c/array-patterns/array13_pattern.c[1342,1355] [2022-12-14 18:54:07,763 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 18:54:07,775 INFO L208 MainTranslator]: Completed translation [2022-12-14 18:54:07,775 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:54:07 WrapperNode [2022-12-14 18:54:07,775 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 18:54:07,776 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 18:54:07,776 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 18:54:07,777 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 18:54:07,783 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:54:07" (1/1) ... [2022-12-14 18:54:07,789 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:54:07" (1/1) ... [2022-12-14 18:54:07,805 INFO L138 Inliner]: procedures = 16, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 95 [2022-12-14 18:54:07,805 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 18:54:07,806 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 18:54:07,806 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 18:54:07,806 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 18:54:07,814 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:54:07" (1/1) ... [2022-12-14 18:54:07,814 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:54:07" (1/1) ... [2022-12-14 18:54:07,816 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:54:07" (1/1) ... [2022-12-14 18:54:07,817 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:54:07" (1/1) ... [2022-12-14 18:54:07,821 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:54:07" (1/1) ... [2022-12-14 18:54:07,826 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:54:07" (1/1) ... [2022-12-14 18:54:07,827 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:54:07" (1/1) ... [2022-12-14 18:54:07,828 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:54:07" (1/1) ... [2022-12-14 18:54:07,830 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 18:54:07,831 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 18:54:07,831 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 18:54:07,832 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 18:54:07,833 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:54:07" (1/1) ... [2022-12-14 18:54:07,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 18:54:07,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a280f2f0-9de1-4667-87da-cb4088bf6be5/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 18:54:07,860 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a280f2f0-9de1-4667-87da-cb4088bf6be5/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 18:54:07,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a280f2f0-9de1-4667-87da-cb4088bf6be5/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 18:54:07,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 18:54:07,895 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 18:54:07,896 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 18:54:07,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 18:54:07,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 18:54:07,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 18:54:07,896 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 18:54:07,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 18:54:07,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 18:54:07,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 18:54:07,960 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 18:54:07,962 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 18:54:08,101 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 18:54:08,140 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 18:54:08,141 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-12-14 18:54:08,143 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:54:08 BoogieIcfgContainer [2022-12-14 18:54:08,143 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 18:54:08,143 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 18:54:08,144 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 18:54:08,151 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 18:54:08,152 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:54:08" (1/1) ... [2022-12-14 18:54:08,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 18:54:08,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:54:08,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 28 transitions. [2022-12-14 18:54:08,201 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2022-12-14 18:54:08,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 18:54:08,205 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:54:08,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:54:08,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:54:08,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-14 18:54:08,329 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 18:54:08,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:54:08,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:54:08,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2022-12-14 18:54:08,381 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2022-12-14 18:54:08,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 18:54:08,381 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:54:08,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:54:08,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:54:08,436 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 18:54:08,438 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 18:54:08,500 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 18:54:08,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:54:08,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2022-12-14 18:54:08,562 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2022-12-14 18:54:08,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 18:54:08,563 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:54:08,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:54:08,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:54:08,612 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 18:54:08,614 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 18:54:08,647 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 18:54:08,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:54:08,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 23 states and 33 transitions. [2022-12-14 18:54:08,747 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 33 transitions. [2022-12-14 18:54:08,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 18:54:08,749 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:54:08,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:54:08,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:54:08,789 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 18:54:08,790 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 18:54:08,821 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 18:54:08,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:54:08,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 34 transitions. [2022-12-14 18:54:08,941 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2022-12-14 18:54:08,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 18:54:08,941 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:54:08,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:54:08,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:54:08,977 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 18:54:08,978 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 18:54:09,013 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 18:54:09,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:54:09,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 37 transitions. [2022-12-14 18:54:09,032 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2022-12-14 18:54:09,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-14 18:54:09,033 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:54:09,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:54:09,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:54:09,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 43 conjunts are in the unsatisfiable core [2022-12-14 18:54:09,083 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 18:54:09,229 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 18:54:09,644 INFO L321 Elim1Store]: treesize reduction 53, result has 5.4 percent of original size [2022-12-14 18:54:09,644 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 67 treesize of output 49 [2022-12-14 18:54:09,835 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-12-14 18:54:09,921 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 18:54:11,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:54:11,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 73 transitions. [2022-12-14 18:54:11,402 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 73 transitions. [2022-12-14 18:54:11,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-14 18:54:11,404 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:54:11,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:54:11,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:54:11,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 18:54:11,433 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 18:54:11,592 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 18:54:12,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:54:12,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 45 states and 83 transitions. [2022-12-14 18:54:12,088 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 83 transitions. [2022-12-14 18:54:12,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 18:54:12,089 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:54:12,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:54:12,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:54:12,119 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 18:54:12,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 18:54:12,295 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 18:54:12,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:54:12,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 46 states and 84 transitions. [2022-12-14 18:54:12,673 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 84 transitions. [2022-12-14 18:54:12,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 18:54:12,674 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:54:12,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:54:12,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:54:12,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 18:54:12,704 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 18:54:12,772 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 18:54:13,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:54:13,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 47 states and 85 transitions. [2022-12-14 18:54:13,031 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 85 transitions. [2022-12-14 18:54:13,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-14 18:54:13,031 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:54:13,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:54:13,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:54:13,058 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 18:54:13,059 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 18:54:13,241 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 18:54:13,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:54:13,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 50 states and 93 transitions. [2022-12-14 18:54:13,890 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 93 transitions. [2022-12-14 18:54:13,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-14 18:54:13,891 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:54:13,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:54:13,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:54:13,917 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 18:54:13,918 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 18:54:13,984 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 18:54:14,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:54:14,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 51 states and 93 transitions. [2022-12-14 18:54:14,154 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 93 transitions. [2022-12-14 18:54:14,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 18:54:14,154 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:54:14,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:54:14,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:54:14,181 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 18:54:14,182 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 18:54:14,258 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 18:54:15,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:54:15,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 63 states and 109 transitions. [2022-12-14 18:54:15,464 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 109 transitions. [2022-12-14 18:54:15,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-14 18:54:15,466 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:54:15,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:54:15,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:54:15,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 18:54:15,498 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 18:54:15,607 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 18:54:16,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:54:16,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 67 states and 115 transitions. [2022-12-14 18:54:16,162 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 115 transitions. [2022-12-14 18:54:16,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 18:54:16,164 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:54:16,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:54:16,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:54:16,191 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 18:54:16,192 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 18:54:16,252 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 22 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 18:54:16,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:54:16,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 55 states and 89 transitions. [2022-12-14 18:54:16,464 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 89 transitions. [2022-12-14 18:54:16,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-12-14 18:54:16,465 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:54:16,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:54:16,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:54:16,595 INFO L263 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 83 conjunts are in the unsatisfiable core [2022-12-14 18:54:16,599 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 18:54:16,756 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2022-12-14 18:54:16,865 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 31 [2022-12-14 18:54:17,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 18:54:17,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 18:54:17,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 18:54:17,162 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 18:54:17,162 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 40 [2022-12-14 18:54:17,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 18:54:17,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 18:54:17,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 18:54:17,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 18:54:17,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 18:54:17,293 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 18:54:17,293 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 44 treesize of output 49 [2022-12-14 18:54:18,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 18:54:18,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 18:54:18,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 18:54:18,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 18:54:18,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 18:54:18,280 INFO L321 Elim1Store]: treesize reduction 189, result has 27.6 percent of original size [2022-12-14 18:54:18,280 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 95 treesize of output 122 [2022-12-14 18:54:19,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 18:54:19,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 18:54:19,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 18:54:19,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 18:54:19,869 INFO L321 Elim1Store]: treesize reduction 21, result has 12.5 percent of original size [2022-12-14 18:54:19,870 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 95 treesize of output 36 [2022-12-14 18:54:20,008 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 18:54:28,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:54:28,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 78 states and 128 transitions. [2022-12-14 18:54:28,642 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 128 transitions. [2022-12-14 18:54:28,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-12-14 18:54:28,642 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:54:28,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:54:28,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:54:28,992 INFO L263 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 76 conjunts are in the unsatisfiable core [2022-12-14 18:54:28,996 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 18:54:29,175 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2022-12-14 18:54:29,314 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 31 [2022-12-14 18:54:29,832 INFO L321 Elim1Store]: treesize reduction 57, result has 36.0 percent of original size [2022-12-14 18:54:29,832 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 49 treesize of output 51 [2022-12-14 18:54:30,032 INFO L321 Elim1Store]: treesize reduction 66, result has 20.5 percent of original size [2022-12-14 18:54:30,032 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 44 treesize of output 49 [2022-12-14 18:56:01,261 INFO L321 Elim1Store]: treesize reduction 246, result has 18.8 percent of original size [2022-12-14 18:56:01,262 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 95 treesize of output 107 [2022-12-14 18:56:36,315 INFO L321 Elim1Store]: treesize reduction 63, result has 4.5 percent of original size [2022-12-14 18:56:36,315 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 94 treesize of output 34 [2022-12-14 18:56:36,358 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 19:02:07,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:02:07,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 96 states and 159 transitions. [2022-12-14 19:02:07,799 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 159 transitions. [2022-12-14 19:02:07,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-12-14 19:02:07,800 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:02:07,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:02:07,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:02:07,839 INFO L263 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-14 19:02:07,840 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:02:08,599 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 13 proven. 15 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 19:02:12,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:02:12,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 101 states and 180 transitions. [2022-12-14 19:02:12,518 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 180 transitions. [2022-12-14 19:02:12,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-12-14 19:02:12,519 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:02:12,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:02:12,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:02:12,551 INFO L263 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-14 19:02:12,552 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:02:12,642 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 13 proven. 15 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 19:02:13,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:02:13,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 103 states and 180 transitions. [2022-12-14 19:02:13,853 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 180 transitions. [2022-12-14 19:02:13,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-12-14 19:02:13,853 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:02:13,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:02:13,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:02:13,882 INFO L263 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-14 19:02:13,883 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:02:13,974 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 13 proven. 15 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 19:02:14,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:02:14,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 104 states and 180 transitions. [2022-12-14 19:02:14,460 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 180 transitions. [2022-12-14 19:02:14,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-12-14 19:02:14,461 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:02:14,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:02:14,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:02:14,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-14 19:02:14,497 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:02:15,259 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 7 proven. 22 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-12-14 19:02:18,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:02:18,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 109 states and 189 transitions. [2022-12-14 19:02:18,804 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 189 transitions. [2022-12-14 19:02:18,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-12-14 19:02:18,805 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:02:18,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:02:18,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:02:18,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-14 19:02:18,835 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:02:18,861 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 7 proven. 22 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-12-14 19:02:19,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:02:19,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 110 states and 189 transitions. [2022-12-14 19:02:19,381 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 189 transitions. [2022-12-14 19:02:19,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-12-14 19:02:19,382 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:02:19,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:02:19,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:02:19,423 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-14 19:02:19,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:02:19,525 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 36 proven. 15 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 19:02:21,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:02:21,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 113 states and 191 transitions. [2022-12-14 19:02:21,404 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 191 transitions. [2022-12-14 19:02:21,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-12-14 19:02:21,405 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:02:21,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:02:21,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:02:21,435 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-14 19:02:21,436 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:02:21,511 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 36 proven. 15 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 19:02:22,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:02:22,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 101 states and 159 transitions. [2022-12-14 19:02:22,030 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 159 transitions. [2022-12-14 19:02:22,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-12-14 19:02:22,030 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:02:22,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:02:22,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:02:22,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 92 conjunts are in the unsatisfiable core [2022-12-14 19:02:22,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:02:22,647 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2022-12-14 19:02:22,807 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 31 [2022-12-14 19:02:23,033 INFO L321 Elim1Store]: treesize reduction 73, result has 30.5 percent of original size [2022-12-14 19:02:23,034 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 53 treesize of output 55 [2022-12-14 19:02:23,222 INFO L321 Elim1Store]: treesize reduction 66, result has 20.5 percent of original size [2022-12-14 19:02:23,223 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 44 treesize of output 49 [2022-12-14 19:03:27,181 INFO L321 Elim1Store]: treesize reduction 246, result has 18.8 percent of original size [2022-12-14 19:03:27,182 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 99 treesize of output 111 [2022-12-14 19:04:58,394 INFO L321 Elim1Store]: treesize reduction 342, result has 18.0 percent of original size [2022-12-14 19:04:58,394 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 20 case distinctions, treesize of input 127 treesize of output 138 [2022-12-14 19:05:10,170 INFO L321 Elim1Store]: treesize reduction 63, result has 4.5 percent of original size [2022-12-14 19:05:10,170 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 94 treesize of output 34 [2022-12-14 19:05:10,207 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 8 proven. 49 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 19:08:51,701 WARN L233 SmtUtils]: Spent 10.07s on a formula simplification that was a NOOP. DAG size: 46 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)