./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-patterns/array22_pattern.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_903c7d6f-1795-4223-ac30-fd2ca4e4dffd/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_903c7d6f-1795-4223-ac30-fd2ca4e4dffd/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_903c7d6f-1795-4223-ac30-fd2ca4e4dffd/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_903c7d6f-1795-4223-ac30-fd2ca4e4dffd/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/array-patterns/array22_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_903c7d6f-1795-4223-ac30-fd2ca4e4dffd/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_903c7d6f-1795-4223-ac30-fd2ca4e4dffd/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 31d323b6985f030ac0fb5fda45d0cb8af14c3bb3898c8ff09cf5a292e40f357b --- 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 23:31:51,546 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 23:31:51,548 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 23:31:51,567 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 23:31:51,567 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 23:31:51,568 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 23:31:51,570 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 23:31:51,571 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 23:31:51,573 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 23:31:51,574 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 23:31:51,575 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 23:31:51,576 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 23:31:51,576 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 23:31:51,577 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 23:31:51,578 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 23:31:51,580 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 23:31:51,580 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 23:31:51,581 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 23:31:51,583 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 23:31:51,585 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 23:31:51,586 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 23:31:51,588 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 23:31:51,589 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 23:31:51,590 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 23:31:51,594 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 23:31:51,594 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 23:31:51,594 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 23:31:51,595 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 23:31:51,596 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 23:31:51,597 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 23:31:51,597 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 23:31:51,598 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 23:31:51,598 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 23:31:51,599 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 23:31:51,600 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 23:31:51,600 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 23:31:51,601 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 23:31:51,601 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 23:31:51,602 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 23:31:51,602 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 23:31:51,603 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 23:31:51,603 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_903c7d6f-1795-4223-ac30-fd2ca4e4dffd/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-14 23:31:51,624 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 23:31:51,625 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 23:31:51,625 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 23:31:51,626 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 23:31:51,626 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 23:31:51,627 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 23:31:51,627 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 23:31:51,627 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 23:31:51,627 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 23:31:51,627 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 23:31:51,628 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 23:31:51,628 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 23:31:51,628 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 23:31:51,628 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 23:31:51,628 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 23:31:51,628 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 23:31:51,629 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 23:31:51,629 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 23:31:51,629 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 23:31:51,629 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 23:31:51,629 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 23:31:51,629 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:31:51,629 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 23:31:51,629 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 23:31:51,630 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 23:31:51,630 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 23:31:51,630 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 23:31:51,630 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 23:31:51,630 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_903c7d6f-1795-4223-ac30-fd2ca4e4dffd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_903c7d6f-1795-4223-ac30-fd2ca4e4dffd/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 31d323b6985f030ac0fb5fda45d0cb8af14c3bb3898c8ff09cf5a292e40f357b [2022-12-14 23:31:51,802 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 23:31:51,822 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 23:31:51,824 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 23:31:51,825 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 23:31:51,826 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 23:31:51,827 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_903c7d6f-1795-4223-ac30-fd2ca4e4dffd/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/array-patterns/array22_pattern.c [2022-12-14 23:31:54,334 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 23:31:54,483 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 23:31:54,484 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_903c7d6f-1795-4223-ac30-fd2ca4e4dffd/sv-benchmarks/c/array-patterns/array22_pattern.c [2022-12-14 23:31:54,488 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_903c7d6f-1795-4223-ac30-fd2ca4e4dffd/bin/ukojak-rkRKPMF4O4/data/39fcb4dc6/9af6844ac6904be2979aae8532d712aa/FLAG76b4e0b34 [2022-12-14 23:31:54,905 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_903c7d6f-1795-4223-ac30-fd2ca4e4dffd/bin/ukojak-rkRKPMF4O4/data/39fcb4dc6/9af6844ac6904be2979aae8532d712aa [2022-12-14 23:31:54,907 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 23:31:54,908 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 23:31:54,909 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 23:31:54,909 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 23:31:54,912 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 23:31:54,912 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:31:54" (1/1) ... [2022-12-14 23:31:54,913 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d629dd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:31:54, skipping insertion in model container [2022-12-14 23:31:54,913 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:31:54" (1/1) ... [2022-12-14 23:31:54,919 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 23:31:54,930 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 23:31:55,028 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_903c7d6f-1795-4223-ac30-fd2ca4e4dffd/sv-benchmarks/c/array-patterns/array22_pattern.c[1347,1360] [2022-12-14 23:31:55,043 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:31:55,049 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 23:31:55,057 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_903c7d6f-1795-4223-ac30-fd2ca4e4dffd/sv-benchmarks/c/array-patterns/array22_pattern.c[1347,1360] [2022-12-14 23:31:55,064 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:31:55,074 INFO L208 MainTranslator]: Completed translation [2022-12-14 23:31:55,074 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:31:55 WrapperNode [2022-12-14 23:31:55,074 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 23:31:55,075 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 23:31:55,075 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 23:31:55,075 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 23:31:55,080 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:31:55" (1/1) ... [2022-12-14 23:31:55,085 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:31:55" (1/1) ... [2022-12-14 23:31:55,099 INFO L138 Inliner]: procedures = 17, calls = 22, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 108 [2022-12-14 23:31:55,099 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 23:31:55,100 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 23:31:55,100 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 23:31:55,100 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 23:31:55,106 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:31:55" (1/1) ... [2022-12-14 23:31:55,106 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:31:55" (1/1) ... [2022-12-14 23:31:55,108 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:31:55" (1/1) ... [2022-12-14 23:31:55,108 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:31:55" (1/1) ... [2022-12-14 23:31:55,111 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:31:55" (1/1) ... [2022-12-14 23:31:55,114 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:31:55" (1/1) ... [2022-12-14 23:31:55,115 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:31:55" (1/1) ... [2022-12-14 23:31:55,115 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:31:55" (1/1) ... [2022-12-14 23:31:55,117 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 23:31:55,117 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 23:31:55,117 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 23:31:55,117 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 23:31:55,118 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:31:55" (1/1) ... [2022-12-14 23:31:55,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:31:55,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_903c7d6f-1795-4223-ac30-fd2ca4e4dffd/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 23:31:55,139 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_903c7d6f-1795-4223-ac30-fd2ca4e4dffd/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 23:31:55,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_903c7d6f-1795-4223-ac30-fd2ca4e4dffd/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 23:31:55,174 INFO L130 BoogieDeclarations]: Found specification of procedure outerBoundaryPatternCheck [2022-12-14 23:31:55,175 INFO L138 BoogieDeclarations]: Found implementation of procedure outerBoundaryPatternCheck [2022-12-14 23:31:55,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 23:31:55,175 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 23:31:55,175 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 23:31:55,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 23:31:55,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 23:31:55,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 23:31:55,176 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 23:31:55,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 23:31:55,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 23:31:55,176 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 23:31:55,239 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 23:31:55,241 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 23:31:55,411 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 23:31:55,511 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 23:31:55,511 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-12-14 23:31:55,514 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:31:55 BoogieIcfgContainer [2022-12-14 23:31:55,514 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 23:31:55,515 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 23:31:55,515 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 23:31:55,525 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 23:31:55,526 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:31:55" (1/1) ... [2022-12-14 23:31:55,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 23:31:55,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:31:55,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2022-12-14 23:31:55,583 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2022-12-14 23:31:55,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 23:31:55,587 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:31:55,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:31:55,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:31:55,690 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-14 23:31:55,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 23:31:55,718 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 23:31:55,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:31:55,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 25 states and 32 transitions. [2022-12-14 23:31:55,747 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2022-12-14 23:31:55,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-14 23:31:55,748 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:31:55,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:31:55,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:31:55,825 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-14 23:31:55,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 23:31:55,887 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-14 23:31:55,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:31:55,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 37 states and 53 transitions. [2022-12-14 23:31:55,960 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 53 transitions. [2022-12-14 23:31:55,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 23:31:55,961 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:31:55,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:31:56,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:31:56,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 23:31:56,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 23:31:56,053 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 23:31:56,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:31:56,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 39 states and 60 transitions. [2022-12-14 23:31:56,133 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 60 transitions. [2022-12-14 23:31:56,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 23:31:56,135 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:31:56,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:31:56,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:31:56,182 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 23:31:56,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 23:31:56,248 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 23:31:56,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:31:56,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 52 states and 85 transitions. [2022-12-14 23:31:56,539 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 85 transitions. [2022-12-14 23:31:56,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-14 23:31:56,540 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:31:56,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:31:56,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:31:56,580 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 23:31:56,582 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 23:31:56,641 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 23:31:56,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:31:56,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 64 states and 103 transitions. [2022-12-14 23:31:56,868 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 103 transitions. [2022-12-14 23:31:56,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-14 23:31:56,870 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:31:56,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:31:56,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:31:56,910 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 23:31:56,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 23:31:56,960 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 23:31:57,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:31:57,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 67 states and 109 transitions. [2022-12-14 23:31:57,102 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 109 transitions. [2022-12-14 23:31:57,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-14 23:31:57,103 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:31:57,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:31:57,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:31:57,142 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 23:31:57,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 23:31:57,233 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 23:31:57,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:31:57,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 69 states and 115 transitions. [2022-12-14 23:31:57,515 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 115 transitions. [2022-12-14 23:31:57,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 23:31:57,517 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:31:57,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:31:57,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:31:57,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 23:31:57,557 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 23:31:57,668 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 23:31:58,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:31:58,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 71 states and 120 transitions. [2022-12-14 23:31:58,076 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 120 transitions. [2022-12-14 23:31:58,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 23:31:58,077 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:31:58,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:31:58,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:31:58,115 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 17 conjunts are in the unsatisfiable core [2022-12-14 23:31:58,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 23:31:58,207 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 23:31:58,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:31:58,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 58 states and 98 transitions. [2022-12-14 23:31:58,597 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 98 transitions. [2022-12-14 23:31:58,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-14 23:31:58,597 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:31:58,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:31:58,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:31:58,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 23:31:58,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 23:31:58,790 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 23:31:59,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:31:59,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 62 states and 105 transitions. [2022-12-14 23:31:59,503 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 105 transitions. [2022-12-14 23:31:59,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-14 23:31:59,504 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:31:59,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:31:59,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:31:59,539 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 23:31:59,540 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 23:31:59,558 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 23:31:59,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:31:59,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 63 states and 107 transitions. [2022-12-14 23:31:59,724 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 107 transitions. [2022-12-14 23:31:59,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-12-14 23:31:59,724 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:31:59,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:31:59,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:31:59,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 23:31:59,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 23:31:59,778 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 23:31:59,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:31:59,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 64 states and 108 transitions. [2022-12-14 23:31:59,918 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 108 transitions. [2022-12-14 23:31:59,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-12-14 23:31:59,918 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:31:59,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:31:59,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:31:59,959 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 23:31:59,960 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 23:31:59,994 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-12-14 23:32:00,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:32:00,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 79 states and 135 transitions. [2022-12-14 23:32:00,651 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 135 transitions. [2022-12-14 23:32:00,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-12-14 23:32:00,652 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:32:00,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:32:00,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:32:00,695 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 23:32:00,696 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 23:32:00,730 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-12-14 23:32:01,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:32:01,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 55 states and 88 transitions. [2022-12-14 23:32:01,137 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 88 transitions. [2022-12-14 23:32:01,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-12-14 23:32:01,137 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:32:01,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:32:01,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:32:01,175 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 23:32:01,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 23:32:01,213 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-12-14 23:32:01,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:32:01,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 60 states and 97 transitions. [2022-12-14 23:32:01,953 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 97 transitions. [2022-12-14 23:32:01,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-12-14 23:32:01,954 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:32:01,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:32:03,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:32:03,036 WARN L261 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 102 conjunts are in the unsatisfiable core [2022-12-14 23:32:03,040 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 23:32:03,309 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 23:32:03,381 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 23:32:03,645 INFO L321 Elim1Store]: treesize reduction 50, result has 25.4 percent of original size [2022-12-14 23:32:03,645 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 34 treesize of output 36 [2022-12-14 23:32:03,759 INFO L321 Elim1Store]: treesize reduction 66, result has 20.5 percent of original size [2022-12-14 23:32:03,759 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 23:32:46,742 INFO L321 Elim1Store]: treesize reduction 147, result has 39.0 percent of original size [2022-12-14 23:32:46,743 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 62 treesize of output 124 [2022-12-14 23:32:59,401 WARN L233 SmtUtils]: Spent 9.90s on a formula simplification that was a NOOP. DAG size: 78 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 23:33:10,319 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 189 treesize of output 174 [2022-12-14 23:33:10,691 INFO L321 Elim1Store]: treesize reduction 673, result has 6.4 percent of original size [2022-12-14 23:33:10,692 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 20 case distinctions, treesize of input 173 treesize of output 275 [2022-12-14 23:33:10,707 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 23:33:10,758 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 23:33:10,760 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 310 [2022-12-14 23:33:28,621 WARN L233 SmtUtils]: Spent 9.87s on a formula simplification that was a NOOP. DAG size: 128 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 23:34:10,853 WARN L233 SmtUtils]: Spent 5.36s on a formula simplification that was a NOOP. DAG size: 130 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 23:34:25,315 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 967 treesize of output 923 [2022-12-14 23:34:30,365 WARN L233 SmtUtils]: Spent 5.02s on a formula simplification. DAG size of input: 211 DAG size of output: 69 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 23:34:30,366 INFO L321 Elim1Store]: treesize reduction 1062, result has 9.3 percent of original size [2022-12-14 23:34:30,366 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 2039 treesize of output 1908 [2022-12-14 23:34:44,324 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 4 proven. 38 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 23:39:54,232 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 23:40:15,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:40:15,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 78 states and 140 transitions. [2022-12-14 23:40:15,576 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 140 transitions. [2022-12-14 23:40:15,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-12-14 23:40:15,577 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:40:15,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:40:15,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:40:15,923 WARN L261 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 103 conjunts are in the unsatisfiable core [2022-12-14 23:40:15,928 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 23:40:15,962 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 23:40:16,058 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 23:40:18,411 INFO L321 Elim1Store]: treesize reduction 50, result has 25.4 percent of original size [2022-12-14 23:40:18,411 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 34 treesize of output 36 [2022-12-14 23:40:18,444 INFO L321 Elim1Store]: treesize reduction 66, result has 20.5 percent of original size [2022-12-14 23:40:18,444 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 23:40:37,765 INFO L321 Elim1Store]: treesize reduction 147, result has 39.0 percent of original size [2022-12-14 23:40:37,765 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 62 treesize of output 124 [2022-12-14 23:40:43,652 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 189 treesize of output 174 [2022-12-14 23:40:44,047 INFO L321 Elim1Store]: treesize reduction 673, result has 6.4 percent of original size [2022-12-14 23:40:44,047 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 20 case distinctions, treesize of input 173 treesize of output 275 [2022-12-14 23:40:44,075 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 23:40:44,076 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2022-12-14 23:40:44,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 23:40:44,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 23:40:44,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 23:40:44,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 23:40:44,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 23:40:44,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 23:40:44,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 23:40:44,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 23:40:44,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 23:40:44,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 23:40:44,340 INFO L321 Elim1Store]: treesize reduction 275, result has 30.7 percent of original size [2022-12-14 23:40:44,340 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 209 treesize of output 212 [2022-12-14 23:41:00,672 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 967 treesize of output 923 [2022-12-14 23:41:07,807 WARN L233 SmtUtils]: Spent 7.12s on a formula simplification. DAG size of input: 211 DAG size of output: 69 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 23:41:07,808 INFO L321 Elim1Store]: treesize reduction 1062, result has 9.3 percent of original size [2022-12-14 23:41:07,809 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 2056 treesize of output 1948 [2022-12-14 23:41:33,730 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 4 proven. 38 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 23:42:58,621 WARN L233 SmtUtils]: Spent 5.93s on a formula simplification that was a NOOP. DAG size: 81 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 23:43:17,795 WARN L233 SmtUtils]: Spent 10.35s on a formula simplification that was a NOOP. DAG size: 94 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 23:43:49,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:43:49,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 90 states and 163 transitions. [2022-12-14 23:43:49,519 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 163 transitions. [2022-12-14 23:43:49,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-12-14 23:43:49,520 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:43:49,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:43:49,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:43:49,832 WARN L261 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 102 conjunts are in the unsatisfiable core [2022-12-14 23:43:49,836 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 23:43:53,545 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 23:43:55,267 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 23:43:58,395 INFO L321 Elim1Store]: treesize reduction 66, result has 20.5 percent of original size [2022-12-14 23:43:58,395 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 38 treesize of output 40 [2022-12-14 23:43:58,505 INFO L321 Elim1Store]: treesize reduction 66, result has 20.5 percent of original size [2022-12-14 23:43:58,505 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 23:44:17,703 INFO L321 Elim1Store]: treesize reduction 147, result has 39.0 percent of original size [2022-12-14 23:44:17,703 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 62 treesize of output 124 [2022-12-14 23:44:22,323 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 189 treesize of output 174 [2022-12-14 23:44:22,747 INFO L321 Elim1Store]: treesize reduction 673, result has 6.4 percent of original size [2022-12-14 23:44:22,747 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 20 case distinctions, treesize of input 173 treesize of output 275 [2022-12-14 23:44:22,810 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 23:44:22,815 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 23:44:22,816 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 255 [2022-12-14 23:44:48,081 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 967 treesize of output 923 [2022-12-14 23:44:52,058 INFO L321 Elim1Store]: treesize reduction 1062, result has 9.3 percent of original size [2022-12-14 23:44:52,059 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 2081 treesize of output 1945 [2022-12-14 23:45:08,779 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 4 proven. 38 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.