./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-patterns/array8_pattern.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73c6c2de-0cef-4a20-8a82-e1dcb09e5d5b/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73c6c2de-0cef-4a20-8a82-e1dcb09e5d5b/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73c6c2de-0cef-4a20-8a82-e1dcb09e5d5b/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73c6c2de-0cef-4a20-8a82-e1dcb09e5d5b/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/array-patterns/array8_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73c6c2de-0cef-4a20-8a82-e1dcb09e5d5b/bin/ukojak-jW3SillKbg/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73c6c2de-0cef-4a20-8a82-e1dcb09e5d5b/bin/ukojak-jW3SillKbg --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 06625eaf591a62e295090a882d83c1e11aaafca7ac8895e7d4adcf51d5b26e02 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 22:49:51,867 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 22:49:51,869 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 22:49:51,896 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 22:49:51,898 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 22:49:51,899 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 22:49:51,902 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 22:49:51,907 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 22:49:51,910 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 22:49:51,911 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 22:49:51,913 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 22:49:51,914 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 22:49:51,916 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 22:49:51,919 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 22:49:51,924 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 22:49:51,925 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 22:49:51,926 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 22:49:51,929 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 22:49:51,931 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 22:49:51,933 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 22:49:51,939 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 22:49:51,941 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 22:49:51,943 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 22:49:51,949 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 22:49:51,952 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 22:49:51,954 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 22:49:51,955 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 22:49:51,956 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 22:49:51,956 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 22:49:51,959 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 22:49:51,959 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 22:49:51,961 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 22:49:51,962 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 22:49:51,963 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 22:49:51,965 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 22:49:51,966 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 22:49:51,967 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 22:49:51,968 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 22:49:51,968 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 22:49:51,969 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 22:49:51,971 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 22:49:51,972 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73c6c2de-0cef-4a20-8a82-e1dcb09e5d5b/bin/ukojak-jW3SillKbg/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-11-21 22:49:52,008 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 22:49:52,009 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 22:49:52,010 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 22:49:52,010 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 22:49:52,011 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 22:49:52,011 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 22:49:52,012 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 22:49:52,012 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 22:49:52,012 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 22:49:52,012 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 22:49:52,013 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 22:49:52,014 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 22:49:52,014 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 22:49:52,014 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 22:49:52,014 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 22:49:52,014 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 22:49:52,015 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 22:49:52,015 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 22:49:52,015 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 22:49:52,015 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 22:49:52,015 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 22:49:52,016 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:49:52,016 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 22:49:52,016 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 22:49:52,016 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 22:49:52,017 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 22:49:52,017 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 22:49:52,017 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 22:49:52,017 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_73c6c2de-0cef-4a20-8a82-e1dcb09e5d5b/bin/ukojak-jW3SillKbg/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73c6c2de-0cef-4a20-8a82-e1dcb09e5d5b/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 06625eaf591a62e295090a882d83c1e11aaafca7ac8895e7d4adcf51d5b26e02 [2022-11-21 22:49:52,302 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 22:49:52,338 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 22:49:52,341 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 22:49:52,342 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 22:49:52,343 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 22:49:52,345 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73c6c2de-0cef-4a20-8a82-e1dcb09e5d5b/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/array-patterns/array8_pattern.c [2022-11-21 22:49:55,508 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 22:49:55,774 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 22:49:55,775 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73c6c2de-0cef-4a20-8a82-e1dcb09e5d5b/sv-benchmarks/c/array-patterns/array8_pattern.c [2022-11-21 22:49:55,780 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73c6c2de-0cef-4a20-8a82-e1dcb09e5d5b/bin/ukojak-jW3SillKbg/data/feeb1d5f3/71af6c6eba3d488a8aa07e05be4ab5b1/FLAG5ddb9c458 [2022-11-21 22:49:55,799 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73c6c2de-0cef-4a20-8a82-e1dcb09e5d5b/bin/ukojak-jW3SillKbg/data/feeb1d5f3/71af6c6eba3d488a8aa07e05be4ab5b1 [2022-11-21 22:49:55,804 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 22:49:55,807 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 22:49:55,808 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 22:49:55,808 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 22:49:55,811 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 22:49:55,812 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:49:55" (1/1) ... [2022-11-21 22:49:55,813 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@440b9800 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:49:55, skipping insertion in model container [2022-11-21 22:49:55,814 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:49:55" (1/1) ... [2022-11-21 22:49:55,821 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 22:49:55,839 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 22:49:56,046 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_73c6c2de-0cef-4a20-8a82-e1dcb09e5d5b/sv-benchmarks/c/array-patterns/array8_pattern.c[1321,1334] [2022-11-21 22:49:56,083 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:49:56,092 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 22:49:56,108 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_73c6c2de-0cef-4a20-8a82-e1dcb09e5d5b/sv-benchmarks/c/array-patterns/array8_pattern.c[1321,1334] [2022-11-21 22:49:56,134 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:49:56,149 INFO L208 MainTranslator]: Completed translation [2022-11-21 22:49:56,150 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:49:56 WrapperNode [2022-11-21 22:49:56,150 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 22:49:56,151 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 22:49:56,152 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 22:49:56,153 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 22:49:56,160 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:49:56" (1/1) ... [2022-11-21 22:49:56,178 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:49:56" (1/1) ... [2022-11-21 22:49:56,205 INFO L138 Inliner]: procedures = 16, calls = 23, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 83 [2022-11-21 22:49:56,205 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 22:49:56,206 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 22:49:56,206 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 22:49:56,206 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 22:49:56,215 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:49:56" (1/1) ... [2022-11-21 22:49:56,216 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:49:56" (1/1) ... [2022-11-21 22:49:56,220 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:49:56" (1/1) ... [2022-11-21 22:49:56,220 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:49:56" (1/1) ... [2022-11-21 22:49:56,238 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:49:56" (1/1) ... [2022-11-21 22:49:56,242 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:49:56" (1/1) ... [2022-11-21 22:49:56,243 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:49:56" (1/1) ... [2022-11-21 22:49:56,244 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:49:56" (1/1) ... [2022-11-21 22:49:56,245 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 22:49:56,246 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 22:49:56,246 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 22:49:56,246 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 22:49:56,247 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:49:56" (1/1) ... [2022-11-21 22:49:56,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:49:56,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73c6c2de-0cef-4a20-8a82-e1dcb09e5d5b/bin/ukojak-jW3SillKbg/z3 [2022-11-21 22:49:56,288 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73c6c2de-0cef-4a20-8a82-e1dcb09e5d5b/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 22:49:56,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73c6c2de-0cef-4a20-8a82-e1dcb09e5d5b/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 22:49:56,338 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 22:49:56,339 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-21 22:49:56,339 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-21 22:49:56,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 22:49:56,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 22:49:56,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 22:49:56,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 22:49:56,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 22:49:56,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 22:49:56,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 22:49:56,424 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 22:49:56,427 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 22:49:56,701 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 22:49:56,762 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 22:49:56,762 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-21 22:49:56,765 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:49:56 BoogieIcfgContainer [2022-11-21 22:49:56,765 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 22:49:56,766 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 22:49:56,766 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 22:49:56,792 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 22:49:56,792 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:49:56" (1/1) ... [2022-11-21 22:49:56,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 22:49:56,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:49:56,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2022-11-21 22:49:56,853 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2022-11-21 22:49:56,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-21 22:49:56,858 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:49:56,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:49:56,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:49:57,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:49:57,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:49:57,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2022-11-21 22:49:57,090 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2022-11-21 22:49:57,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-21 22:49:57,091 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:49:57,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:49:57,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:49:57,238 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-21 22:49:57,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:49:57,346 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:49:57,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:49:57,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2022-11-21 22:49:57,412 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2022-11-21 22:49:57,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-21 22:49:57,413 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:49:57,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:49:57,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:49:57,501 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 22:49:57,503 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:49:57,551 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:49:57,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:49:57,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2022-11-21 22:49:57,800 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2022-11-21 22:49:57,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-21 22:49:57,801 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:49:57,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:49:57,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:49:57,913 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-21 22:49:57,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:49:57,979 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 10 treesize of output 8 [2022-11-21 22:49:58,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:49:58,049 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 14 treesize of output 14 [2022-11-21 22:49:58,055 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-21 22:49:58,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:49:58,494 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-21 22:49:58,497 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-21 22:49:58,785 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-21 22:49:58,792 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-21 22:49:58,793 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-21 22:49:58,882 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:50:00,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:50:00,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 28 states and 42 transitions. [2022-11-21 22:50:00,466 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 42 transitions. [2022-11-21 22:50:00,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-21 22:50:00,467 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:50:00,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:50:00,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:50:00,525 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-21 22:50:00,526 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:50:00,708 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:50:02,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:50:02,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 35 states and 51 transitions. [2022-11-21 22:50:02,058 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 51 transitions. [2022-11-21 22:50:02,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-21 22:50:02,058 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:50:02,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:50:02,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:50:02,154 INFO L263 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 69 conjunts are in the unsatisfiable core [2022-11-21 22:50:02,163 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:50:02,178 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 10 treesize of output 8 [2022-11-21 22:50:02,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:50:02,293 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2022-11-21 22:50:02,302 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-21 22:50:02,308 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 19 treesize of output 18 [2022-11-21 22:50:02,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:50:02,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:50:02,420 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 0 case distinctions, treesize of input 48 treesize of output 39 [2022-11-21 22:50:03,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:50:03,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:50:03,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:50:03,364 INFO L321 Elim1Store]: treesize reduction 60, result has 56.2 percent of original size [2022-11-21 22:50:03,364 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 108 treesize of output 139 [2022-11-21 22:50:04,994 INFO L321 Elim1Store]: treesize reduction 10, result has 86.3 percent of original size [2022-11-21 22:50:04,995 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 2 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 7 case distinctions, treesize of input 157 treesize of output 141 [2022-11-21 22:50:05,716 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:50:10,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:50:10,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 43 states and 69 transitions. [2022-11-21 22:50:10,773 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 69 transitions. [2022-11-21 22:50:10,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-21 22:50:10,774 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:50:10,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:50:10,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:50:10,825 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-21 22:50:10,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:50:11,346 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:50:16,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:50:16,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 52 states and 86 transitions. [2022-11-21 22:50:16,573 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 86 transitions. [2022-11-21 22:50:16,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-21 22:50:16,575 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:50:16,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:50:16,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:50:16,688 WARN L261 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 89 conjunts are in the unsatisfiable core [2022-11-21 22:50:16,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:50:16,716 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 10 treesize of output 8 [2022-11-21 22:50:16,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:50:16,752 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2022-11-21 22:50:16,760 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-21 22:50:16,765 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 19 treesize of output 18 [2022-11-21 22:50:16,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:50:16,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:50:16,941 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 0 case distinctions, treesize of input 57 treesize of output 45 [2022-11-21 22:50:17,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:50:17,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:50:17,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:50:17,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:50:17,148 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 63 [2022-11-21 22:50:18,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:50:18,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:50:18,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:50:18,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:50:18,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:50:18,717 INFO L321 Elim1Store]: treesize reduction 92, result has 56.0 percent of original size [2022-11-21 22:50:18,717 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 7 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 9 case distinctions, treesize of input 126 treesize of output 185 [2022-11-21 22:50:21,738 INFO L321 Elim1Store]: treesize reduction 10, result has 90.3 percent of original size [2022-11-21 22:50:21,739 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 4 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 240 treesize of output 206 [2022-11-21 22:50:23,571 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:50:34,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:50:34,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 60 states and 101 transitions. [2022-11-21 22:50:34,621 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 101 transitions. [2022-11-21 22:50:34,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-21 22:50:34,622 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:50:34,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:50:34,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:50:34,698 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 73 conjunts are in the unsatisfiable core [2022-11-21 22:50:34,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:50:34,720 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 10 treesize of output 8 [2022-11-21 22:50:34,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:50:34,752 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 14 treesize of output 14 [2022-11-21 22:50:34,756 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-21 22:50:35,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:50:35,445 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-21 22:50:35,447 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 57 [2022-11-21 22:50:36,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:50:36,665 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-21 22:50:36,666 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-21 22:50:36,667 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 57 [2022-11-21 22:50:37,149 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-21 22:50:37,151 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 12 [2022-11-21 22:50:37,174 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:50:40,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:50:40,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 54 states and 87 transitions. [2022-11-21 22:50:40,257 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 87 transitions. [2022-11-21 22:50:40,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-21 22:50:40,258 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:50:40,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:50:40,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:50:40,311 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-21 22:50:40,313 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:50:41,281 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:50:53,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:50:53,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 64 states and 108 transitions. [2022-11-21 22:50:53,984 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 108 transitions. [2022-11-21 22:50:53,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-21 22:50:53,985 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:50:53,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:50:54,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:50:54,060 WARN L261 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 97 conjunts are in the unsatisfiable core [2022-11-21 22:50:54,066 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:50:54,086 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 10 treesize of output 8 [2022-11-21 22:50:54,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:50:54,108 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2022-11-21 22:50:54,113 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 20 [2022-11-21 22:50:54,118 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-21 22:50:54,125 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-21 22:50:54,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:50:54,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:50:54,415 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 0 case distinctions, treesize of input 57 treesize of output 45 [2022-11-21 22:50:54,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:50:54,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:50:54,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:50:54,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:50:54,727 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 75 [2022-11-21 22:50:55,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:50:55,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:50:55,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:50:55,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:50:55,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:50:55,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:50:55,086 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 84 treesize of output 87 [2022-11-21 22:50:56,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:50:56,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:50:56,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:50:56,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:50:56,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:50:56,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:50:56,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:50:57,047 INFO L321 Elim1Store]: treesize reduction 156, result has 44.5 percent of original size [2022-11-21 22:50:57,048 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 13 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 12 case distinctions, treesize of input 144 treesize of output 199 [2022-11-21 22:51:02,211 INFO L321 Elim1Store]: treesize reduction 20, result has 85.0 percent of original size [2022-11-21 22:51:02,212 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 11 select indices, 11 select index equivalence classes, 7 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 13 case distinctions, treesize of input 258 treesize of output 224 [2022-11-21 22:51:03,996 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 1 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:51:45,572 WARN L233 SmtUtils]: Spent 11.12s on a formula simplification. DAG size of input: 118 DAG size of output: 106 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-21 22:51:59,121 WARN L233 SmtUtils]: Spent 9.98s on a formula simplification that was a NOOP. DAG size: 107 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-21 22:52:14,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:52:14,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 73 states and 128 transitions. [2022-11-21 22:52:14,027 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 128 transitions. [2022-11-21 22:52:14,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-21 22:52:14,029 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:52:14,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:52:14,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:52:14,134 WARN L261 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 93 conjunts are in the unsatisfiable core [2022-11-21 22:52:14,139 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:52:14,156 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 10 treesize of output 8 [2022-11-21 22:52:14,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:52:14,186 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2022-11-21 22:52:14,192 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 20 [2022-11-21 22:52:14,197 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-21 22:52:14,206 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-21 22:52:14,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:52:14,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:52:14,227 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 0 case distinctions, treesize of input 48 treesize of output 39 [2022-11-21 22:52:16,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:52:16,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:52:16,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:52:16,367 INFO L321 Elim1Store]: treesize reduction 66, result has 53.8 percent of original size [2022-11-21 22:52:16,368 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 114 treesize of output 142 [2022-11-21 22:52:18,604 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-21 22:52:18,612 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-21 22:52:18,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:52:18,619 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-21 22:52:18,770 INFO L321 Elim1Store]: treesize reduction 296, result has 23.7 percent of original size [2022-11-21 22:52:18,770 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 15 case distinctions, treesize of input 151 treesize of output 170 [2022-11-21 22:52:21,566 INFO L321 Elim1Store]: treesize reduction 242, result has 37.1 percent of original size [2022-11-21 22:52:21,566 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 1 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 140 treesize of output 216 [2022-11-21 22:52:23,126 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:52:42,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:52:42,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 84 states and 150 transitions. [2022-11-21 22:52:42,140 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 150 transitions. [2022-11-21 22:52:42,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-21 22:52:42,141 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:52:42,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:52:42,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:52:42,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-21 22:52:42,221 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:52:44,484 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 17 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:53:23,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:53:23,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 95 states and 175 transitions. [2022-11-21 22:53:23,217 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 175 transitions. [2022-11-21 22:53:23,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-21 22:53:23,218 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:53:23,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:53:23,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:53:23,283 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-21 22:53:23,284 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:53:24,436 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 22:53:37,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:53:37,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 103 states and 187 transitions. [2022-11-21 22:53:37,431 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 187 transitions. [2022-11-21 22:53:37,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-21 22:53:37,433 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:53:37,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:53:37,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:53:37,672 WARN L261 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 110 conjunts are in the unsatisfiable core [2022-11-21 22:53:37,678 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:53:37,698 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 10 treesize of output 8 [2022-11-21 22:53:37,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:53:37,724 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2022-11-21 22:53:37,730 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-21 22:53:37,735 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 19 treesize of output 18 [2022-11-21 22:53:37,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:53:37,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:53:37,775 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 0 case distinctions, treesize of input 57 treesize of output 45 [2022-11-21 22:53:38,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:53:38,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:53:38,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:53:38,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:53:38,341 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 75 [2022-11-21 22:53:38,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:53:38,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:53:38,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:53:38,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:53:38,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:53:38,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:53:38,894 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 105 treesize of output 105 [2022-11-21 22:53:39,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:53:39,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:53:39,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:53:39,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:53:39,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:53:39,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:53:39,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:53:39,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:53:39,536 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 111 [2022-11-21 22:53:42,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:53:42,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:53:42,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:53:42,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:53:42,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:53:42,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:53:42,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:53:42,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:53:42,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:53:42,705 INFO L321 Elim1Store]: treesize reduction 204, result has 42.2 percent of original size [2022-11-21 22:53:42,706 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 21 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 162 treesize of output 229 [2022-11-21 22:53:50,326 INFO L321 Elim1Store]: treesize reduction 20, result has 87.7 percent of original size [2022-11-21 22:53:50,327 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 13 select indices, 13 select index equivalence classes, 11 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 16 case distinctions, treesize of input 313 treesize of output 277 [2022-11-21 22:54:01,158 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 1 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:54:38,414 WARN L233 SmtUtils]: Spent 6.16s on a formula simplification that was a NOOP. DAG size: 114 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-21 22:54:58,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:54:58,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 113 states and 211 transitions. [2022-11-21 22:54:58,626 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 211 transitions. [2022-11-21 22:54:58,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-21 22:54:58,628 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:54:58,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:54:58,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:54:58,780 WARN L261 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 115 conjunts are in the unsatisfiable core [2022-11-21 22:54:58,786 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:54:58,801 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 10 treesize of output 8 [2022-11-21 22:54:58,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:54:58,825 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2022-11-21 22:54:58,830 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2022-11-21 22:54:58,835 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 29 treesize of output 28 [2022-11-21 22:54:59,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:54:59,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:54:59,027 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 0 case distinctions, treesize of input 57 treesize of output 45 [2022-11-21 22:54:59,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:54:59,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:54:59,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:54:59,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:54:59,063 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 63 [2022-11-21 22:55:01,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:55:01,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:55:01,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:55:01,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:55:01,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:55:01,548 INFO L321 Elim1Store]: treesize reduction 140, result has 35.8 percent of original size [2022-11-21 22:55:01,548 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 7 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 9 case distinctions, treesize of input 132 treesize of output 149 [2022-11-21 22:55:05,426 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-21 22:55:05,435 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-21 22:55:05,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:55:05,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:55:05,439 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-21 22:55:05,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:55:05,441 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-21 22:55:05,666 INFO L321 Elim1Store]: treesize reduction 482, result has 16.6 percent of original size [2022-11-21 22:55:05,666 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 3 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 28 case distinctions, treesize of input 206 treesize of output 195 [2022-11-21 22:55:10,603 INFO L321 Elim1Store]: treesize reduction 104, result has 42.5 percent of original size [2022-11-21 22:55:10,603 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 3 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 228 treesize of output 184 [2022-11-21 22:55:11,973 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:55:43,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:55:43,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 123 states and 235 transitions. [2022-11-21 22:55:43,082 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 235 transitions. [2022-11-21 22:55:43,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-21 22:55:43,083 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:55:43,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:55:43,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:55:43,205 WARN L261 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 109 conjunts are in the unsatisfiable core [2022-11-21 22:55:43,211 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:55:43,227 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 10 treesize of output 8 [2022-11-21 22:55:43,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:55:43,245 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2022-11-21 22:55:43,250 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2022-11-21 22:55:43,255 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2022-11-21 22:55:43,264 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2022-11-21 22:55:43,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:55:43,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:55:43,439 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 0 case distinctions, treesize of input 48 treesize of output 39 [2022-11-21 22:55:43,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:55:43,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:55:43,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:55:43,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:55:43,659 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 63 [2022-11-21 22:55:44,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:55:44,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:55:44,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:55:44,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:55:44,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:55:44,873 INFO L321 Elim1Store]: treesize reduction 140, result has 35.8 percent of original size [2022-11-21 22:55:44,873 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 7 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 9 case distinctions, treesize of input 132 treesize of output 149 [2022-11-21 22:55:46,886 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-21 22:55:46,894 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-21 22:55:46,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:55:46,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:55:46,899 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-21 22:55:46,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:55:46,901 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-21 22:55:47,110 INFO L321 Elim1Store]: treesize reduction 482, result has 16.6 percent of original size [2022-11-21 22:55:47,111 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 3 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 28 case distinctions, treesize of input 206 treesize of output 195 [2022-11-21 22:55:50,722 INFO L321 Elim1Store]: treesize reduction 104, result has 42.5 percent of original size [2022-11-21 22:55:50,723 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 3 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 228 treesize of output 184 [2022-11-21 22:55:51,504 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:55:56,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:55:56,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 126 states and 241 transitions. [2022-11-21 22:55:56,946 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 241 transitions. [2022-11-21 22:55:56,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-21 22:55:56,947 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:55:56,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:55:57,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:55:57,086 WARN L261 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 112 conjunts are in the unsatisfiable core [2022-11-21 22:55:57,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:55:57,113 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 10 treesize of output 8 [2022-11-21 22:55:57,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:55:57,137 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2022-11-21 22:55:57,141 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 20 [2022-11-21 22:55:57,145 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-21 22:55:57,151 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-21 22:55:57,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:55:57,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:55:57,177 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 0 case distinctions, treesize of input 48 treesize of output 39 [2022-11-21 22:55:57,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:55:57,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:55:57,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:55:57,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:55:57,354 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 63 [2022-11-21 22:55:58,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:55:58,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:55:58,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:55:58,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:55:58,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:55:58,647 INFO L321 Elim1Store]: treesize reduction 140, result has 35.8 percent of original size [2022-11-21 22:55:58,647 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 7 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 9 case distinctions, treesize of input 132 treesize of output 149 [2022-11-21 22:56:00,587 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-21 22:56:00,600 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-21 22:56:00,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:56:00,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:56:00,604 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-21 22:56:00,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:56:00,605 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-21 22:56:00,808 INFO L321 Elim1Store]: treesize reduction 482, result has 16.6 percent of original size [2022-11-21 22:56:00,809 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 3 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 28 case distinctions, treesize of input 206 treesize of output 195 [2022-11-21 22:56:03,099 INFO L321 Elim1Store]: treesize reduction 104, result has 42.5 percent of original size [2022-11-21 22:56:03,099 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 3 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 228 treesize of output 184 [2022-11-21 22:56:03,927 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:56:14,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:56:14,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 130 states and 247 transitions. [2022-11-21 22:56:14,134 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 247 transitions. [2022-11-21 22:56:14,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-21 22:56:14,135 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:56:14,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:56:14,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:56:14,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-21 22:56:14,209 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:56:18,410 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 23 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:56:51,037 WARN L233 SmtUtils]: Spent 10.60s on a formula simplification. DAG size of input: 111 DAG size of output: 107 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-21 22:57:26,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:57:26,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 142 states and 276 transitions. [2022-11-21 22:57:26,520 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 276 transitions. [2022-11-21 22:57:26,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-21 22:57:26,521 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:57:26,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:57:26,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:57:26,595 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-21 22:57:26,597 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:57:29,218 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 22:57:57,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:57:57,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 151 states and 296 transitions. [2022-11-21 22:57:57,228 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 296 transitions. [2022-11-21 22:57:57,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-21 22:57:57,230 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:57:57,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:57:57,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:57:57,300 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-21 22:57:57,301 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:57:57,672 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 22:58:02,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:58:02,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 154 states and 300 transitions. [2022-11-21 22:58:02,208 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 300 transitions. [2022-11-21 22:58:02,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-21 22:58:02,210 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:58:02,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:58:02,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:58:02,274 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-21 22:58:02,275 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:58:02,695 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 22:58:13,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:58:13,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 159 states and 305 transitions. [2022-11-21 22:58:13,692 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 305 transitions. [2022-11-21 22:58:13,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-21 22:58:13,693 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:58:13,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:58:13,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:58:13,890 WARN L261 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 127 conjunts are in the unsatisfiable core [2022-11-21 22:58:13,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:58:13,916 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 10 treesize of output 8 [2022-11-21 22:58:13,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:58:13,943 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2022-11-21 22:58:13,950 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2022-11-21 22:58:13,954 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 29 treesize of output 28 [2022-11-21 22:58:14,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:58:14,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:58:14,756 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 0 case distinctions, treesize of input 48 treesize of output 39 [2022-11-21 22:58:15,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:58:15,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:58:15,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:58:15,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:58:15,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:58:15,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:58:15,612 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 69 [2022-11-21 22:58:16,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:58:16,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:58:16,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:58:16,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:58:16,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:58:16,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:58:16,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:58:16,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:58:16,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:58:16,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:58:16,518 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 99 treesize of output 99 [2022-11-21 22:58:18,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:58:18,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:58:18,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:58:18,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:58:18,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:58:18,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:58:18,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:58:18,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:58:18,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:58:18,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:58:18,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:58:18,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:58:18,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:58:18,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:58:18,980 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 123 treesize of output 129 [2022-11-21 22:58:19,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:58:19,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:58:19,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:58:19,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:58:19,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:58:19,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:58:19,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:58:19,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:58:19,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:58:19,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:58:19,917 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 31 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 120 treesize of output 135 [2022-11-21 22:58:27,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:58:27,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:58:27,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:58:27,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:58:27,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:58:27,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:58:27,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:58:27,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:58:27,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:58:27,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:58:27,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:58:27,301 INFO L321 Elim1Store]: treesize reduction 236, result has 44.5 percent of original size [2022-11-21 22:58:27,301 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 31 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 18 case distinctions, treesize of input 180 treesize of output 275 [2022-11-21 22:58:47,650 INFO L321 Elim1Store]: treesize reduction 30, result has 84.5 percent of original size [2022-11-21 22:58:47,650 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 15 select indices, 15 select index equivalence classes, 16 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 19 case distinctions, treesize of input 471 treesize of output 375 [2022-11-21 22:58:57,720 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 2 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:59:59,880 WARN L233 SmtUtils]: Spent 35.72s on a formula simplification. DAG size of input: 139 DAG size of output: 126 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-21 23:00:47,329 WARN L233 SmtUtils]: Spent 36.85s on a formula simplification. DAG size of input: 141 DAG size of output: 132 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-21 23:01:11,312 WARN L233 SmtUtils]: Spent 7.17s on a formula simplification that was a NOOP. DAG size: 125 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-21 23:01:39,644 WARN L233 SmtUtils]: Spent 9.24s on a formula simplification that was a NOOP. DAG size: 132 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-21 23:01:58,078 WARN L233 SmtUtils]: Spent 14.74s on a formula simplification. DAG size of input: 141 DAG size of output: 124 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-21 23:02:40,039 WARN L233 SmtUtils]: Spent 39.90s on a formula simplification. DAG size of input: 143 DAG size of output: 136 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-21 23:03:31,750 WARN L233 SmtUtils]: Spent 11.38s on a formula simplification that was a NOOP. DAG size: 137 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-21 23:03:42,529 WARN L233 SmtUtils]: Spent 8.19s on a formula simplification. DAG size of input: 150 DAG size of output: 129 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-21 23:04:38,140 WARN L233 SmtUtils]: Spent 49.95s on a formula simplification. DAG size of input: 152 DAG size of output: 141 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)