./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-patterns/array29_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_12dc109f-cff6-4a12-83ad-8756fb27e258/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12dc109f-cff6-4a12-83ad-8756fb27e258/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_12dc109f-cff6-4a12-83ad-8756fb27e258/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12dc109f-cff6-4a12-83ad-8756fb27e258/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/array-patterns/array29_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12dc109f-cff6-4a12-83ad-8756fb27e258/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_12dc109f-cff6-4a12-83ad-8756fb27e258/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 c79b0cfbfa84c2390344382edf3f60a855c5e1f87aaed3ee77c2dd6c5f017188 --- 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 23:11:56,882 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:11:56,884 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:11:56,927 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:11:56,928 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:11:56,932 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:11:56,934 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:11:56,938 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:11:56,940 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:11:56,944 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:11:56,946 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:11:56,948 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:11:56,948 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:11:56,949 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:11:56,950 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:11:56,952 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:11:56,953 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:11:56,954 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:11:56,955 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:11:56,957 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:11:56,959 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:11:56,962 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:11:56,963 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:11:56,964 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:11:56,967 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:11:56,968 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:11:56,968 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:11:56,969 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:11:56,970 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:11:56,971 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:11:56,971 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:11:56,972 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:11:56,973 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:11:56,974 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:11:56,975 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:11:56,975 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:11:56,976 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:11:56,977 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:11:56,977 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:11:56,978 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:11:56,979 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:11:56,980 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12dc109f-cff6-4a12-83ad-8756fb27e258/bin/ukojak-jW3SillKbg/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-11-21 23:11:57,000 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:11:57,000 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:11:57,001 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:11:57,001 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:11:57,002 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:11:57,002 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:11:57,003 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:11:57,003 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 23:11:57,003 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 23:11:57,003 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 23:11:57,004 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:11:57,004 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:11:57,004 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:11:57,004 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:11:57,005 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 23:11:57,005 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:11:57,005 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:11:57,005 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:11:57,006 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:11:57,006 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:11:57,006 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:11:57,006 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:11:57,006 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:11:57,007 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:11:57,007 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:11:57,007 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 23:11:57,007 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 23:11:57,008 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:11:57,008 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_12dc109f-cff6-4a12-83ad-8756fb27e258/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12dc109f-cff6-4a12-83ad-8756fb27e258/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c79b0cfbfa84c2390344382edf3f60a855c5e1f87aaed3ee77c2dd6c5f017188 [2022-11-21 23:11:57,242 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:11:57,282 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:11:57,285 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:11:57,286 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:11:57,287 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:11:57,289 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12dc109f-cff6-4a12-83ad-8756fb27e258/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/array-patterns/array29_pattern.c [2022-11-21 23:12:00,424 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:12:00,660 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:12:00,663 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12dc109f-cff6-4a12-83ad-8756fb27e258/sv-benchmarks/c/array-patterns/array29_pattern.c [2022-11-21 23:12:00,670 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12dc109f-cff6-4a12-83ad-8756fb27e258/bin/ukojak-jW3SillKbg/data/94153398a/7e38e05162fc416197580994d717664a/FLAGd4d691a70 [2022-11-21 23:12:00,691 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12dc109f-cff6-4a12-83ad-8756fb27e258/bin/ukojak-jW3SillKbg/data/94153398a/7e38e05162fc416197580994d717664a [2022-11-21 23:12:00,697 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:12:00,698 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:12:00,700 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:12:00,700 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:12:00,703 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:12:00,704 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:12:00" (1/1) ... [2022-11-21 23:12:00,705 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54275a1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:12:00, skipping insertion in model container [2022-11-21 23:12:00,705 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:12:00" (1/1) ... [2022-11-21 23:12:00,713 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:12:00,731 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:12:00,917 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_12dc109f-cff6-4a12-83ad-8756fb27e258/sv-benchmarks/c/array-patterns/array29_pattern.c[1255,1268] [2022-11-21 23:12:00,936 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:12:00,945 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 23:12:00,958 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_12dc109f-cff6-4a12-83ad-8756fb27e258/sv-benchmarks/c/array-patterns/array29_pattern.c[1255,1268] [2022-11-21 23:12:00,968 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:12:00,982 INFO L208 MainTranslator]: Completed translation [2022-11-21 23:12:00,982 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:12:00 WrapperNode [2022-11-21 23:12:00,983 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 23:12:00,984 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 23:12:00,984 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 23:12:00,984 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 23:12:00,992 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:12:00" (1/1) ... [2022-11-21 23:12:01,000 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:12:00" (1/1) ... [2022-11-21 23:12:01,020 INFO L138 Inliner]: procedures = 16, calls = 15, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 72 [2022-11-21 23:12:01,021 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 23:12:01,021 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 23:12:01,022 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 23:12:01,022 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 23:12:01,032 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:12:00" (1/1) ... [2022-11-21 23:12:01,032 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:12:00" (1/1) ... [2022-11-21 23:12:01,040 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:12:00" (1/1) ... [2022-11-21 23:12:01,041 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:12:00" (1/1) ... [2022-11-21 23:12:01,047 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:12:00" (1/1) ... [2022-11-21 23:12:01,054 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:12:00" (1/1) ... [2022-11-21 23:12:01,055 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:12:00" (1/1) ... [2022-11-21 23:12:01,056 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:12:00" (1/1) ... [2022-11-21 23:12:01,058 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 23:12:01,060 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 23:12:01,060 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 23:12:01,060 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 23:12:01,063 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:12:00" (1/1) ... [2022-11-21 23:12:01,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:12:01,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12dc109f-cff6-4a12-83ad-8756fb27e258/bin/ukojak-jW3SillKbg/z3 [2022-11-21 23:12:01,100 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12dc109f-cff6-4a12-83ad-8756fb27e258/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 23:12:01,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12dc109f-cff6-4a12-83ad-8756fb27e258/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 23:12:01,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 23:12:01,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 23:12:01,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 23:12:01,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 23:12:01,143 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 23:12:01,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 23:12:01,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 23:12:01,143 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 23:12:01,221 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 23:12:01,223 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 23:12:01,427 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 23:12:01,551 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 23:12:01,551 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-21 23:12:01,554 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:12:01 BoogieIcfgContainer [2022-11-21 23:12:01,554 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 23:12:01,555 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 23:12:01,555 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 23:12:01,565 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 23:12:01,565 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:12:01" (1/1) ... [2022-11-21 23:12:01,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 23:12:01,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:12:01,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 10 states and 14 transitions. [2022-11-21 23:12:01,628 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 14 transitions. [2022-11-21 23:12:01,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-21 23:12:01,631 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:12:01,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:12:01,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:12:01,761 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-21 23:12:01,766 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:12:01,856 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 23:12:01,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:12:01,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2022-11-21 23:12:01,902 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2022-11-21 23:12:01,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-21 23:12:01,902 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:12:01,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:12:01,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:12:01,946 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 23:12:01,947 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:12:02,000 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:12:02,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:12:02,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 13 states and 20 transitions. [2022-11-21 23:12:02,145 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 20 transitions. [2022-11-21 23:12:02,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-21 23:12:02,147 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:12:02,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:12:02,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:12:02,184 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 23:12:02,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:12:02,238 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-21 23:12:02,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:12:02,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 14 states and 21 transitions. [2022-11-21 23:12:02,378 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 21 transitions. [2022-11-21 23:12:02,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-21 23:12:02,378 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:12:02,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:12:02,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:12:02,438 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 23:12:02,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:12:02,461 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-21 23:12:02,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:12:02,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 15 states and 24 transitions. [2022-11-21 23:12:02,483 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 24 transitions. [2022-11-21 23:12:02,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-21 23:12:02,484 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:12:02,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:12:02,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:12:02,516 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-21 23:12:02,517 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:12:02,591 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 23:12:02,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:12:02,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 17 states and 28 transitions. [2022-11-21 23:12:02,858 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 28 transitions. [2022-11-21 23:12:02,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-21 23:12:02,859 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:12:02,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:12:02,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:12:02,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-21 23:12:02,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:12:03,036 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 23:12:03,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:12:03,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 21 states and 34 transitions. [2022-11-21 23:12:03,749 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 34 transitions. [2022-11-21 23:12:03,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-21 23:12:03,750 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:12:03,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:12:03,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:12:03,794 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-21 23:12:03,796 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:12:03,927 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-21 23:12:04,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:12:04,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 23 states and 36 transitions. [2022-11-21 23:12:04,489 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 36 transitions. [2022-11-21 23:12:04,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-21 23:12:04,490 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:12:04,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:12:04,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:12:04,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-21 23:12:04,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:12:04,590 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-21 23:12:04,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:12:04,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 27 states and 42 transitions. [2022-11-21 23:12:04,995 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 42 transitions. [2022-11-21 23:12:04,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-21 23:12:04,996 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:12:04,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:12:05,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:12:05,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 62 conjunts are in the unsatisfiable core [2022-11-21 23:12:05,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:12:05,461 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2022-11-21 23:12:05,470 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-21 23:12:05,585 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 68 [2022-11-21 23:12:05,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:12:05,604 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 35 treesize of output 39 [2022-11-21 23:12:05,638 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2022-11-21 23:12:05,984 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 66 [2022-11-21 23:12:05,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:12:05,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:12:06,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:12:06,011 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 33 treesize of output 42 [2022-11-21 23:12:06,037 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2022-11-21 23:12:06,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:12:06,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:12:06,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:12:06,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:12:06,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:12:06,188 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-21 23:12:06,188 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 44 treesize of output 49 [2022-11-21 23:12:07,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:12:07,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:12:07,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:12:07,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:12:07,334 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-21 23:12:07,335 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 64 treesize of output 20 [2022-11-21 23:12:07,516 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:12:14,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:12:14,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 46 states and 71 transitions. [2022-11-21 23:12:14,124 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 71 transitions. [2022-11-21 23:12:14,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-21 23:12:14,125 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:12:14,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:12:14,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:12:14,196 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-21 23:12:14,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:12:14,656 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 15 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-21 23:12:17,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:12:17,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 51 states and 83 transitions. [2022-11-21 23:12:17,267 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 83 transitions. [2022-11-21 23:12:17,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-21 23:12:17,268 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:12:17,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:12:17,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:12:17,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-21 23:12:17,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:12:17,756 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 3 proven. 22 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-21 23:12:19,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:12:19,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 56 states and 90 transitions. [2022-11-21 23:12:19,829 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 90 transitions. [2022-11-21 23:12:19,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-21 23:12:19,830 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:12:19,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:12:19,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:12:19,880 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-21 23:12:19,882 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:12:19,915 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 32 proven. 15 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-11-21 23:12:20,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:12:20,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 59 states and 93 transitions. [2022-11-21 23:12:20,894 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 93 transitions. [2022-11-21 23:12:20,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-21 23:12:20,895 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:12:20,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:12:20,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:12:20,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-21 23:12:20,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:12:20,989 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 32 proven. 15 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-11-21 23:12:21,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:12:21,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 52 states and 77 transitions. [2022-11-21 23:12:21,275 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 77 transitions. [2022-11-21 23:12:21,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-21 23:12:21,276 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:12:21,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:12:21,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:12:21,336 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-21 23:12:21,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:12:21,393 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 17 proven. 30 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-11-21 23:12:24,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:12:24,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 56 states and 83 transitions. [2022-11-21 23:12:24,133 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 83 transitions. [2022-11-21 23:12:24,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-21 23:12:24,134 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:12:24,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:12:24,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:12:24,222 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-21 23:12:24,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:12:24,291 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 20 proven. 30 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-11-21 23:12:26,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:12:26,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 54 states and 75 transitions. [2022-11-21 23:12:26,704 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 75 transitions. [2022-11-21 23:12:26,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-21 23:12:26,705 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:12:26,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:12:26,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:12:26,780 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-21 23:12:26,781 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:12:26,851 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 6 proven. 46 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2022-11-21 23:12:27,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:12:27,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 59 states and 82 transitions. [2022-11-21 23:12:27,664 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 82 transitions. [2022-11-21 23:12:27,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-21 23:12:27,665 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:12:27,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:12:29,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:12:29,010 WARN L261 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 135 conjunts are in the unsatisfiable core [2022-11-21 23:12:29,023 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:12:29,280 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2022-11-21 23:12:29,446 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 68 [2022-11-21 23:12:29,464 INFO L321 Elim1Store]: treesize reduction 40, result has 28.6 percent of original size [2022-11-21 23:12:29,465 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 39 [2022-11-21 23:12:29,483 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2022-11-21 23:12:29,681 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 85 [2022-11-21 23:12:29,699 INFO L321 Elim1Store]: treesize reduction 54, result has 22.9 percent of original size [2022-11-21 23:12:29,700 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 52 treesize of output 61 [2022-11-21 23:12:29,725 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-21 23:12:29,726 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-11-21 23:12:30,370 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 99 [2022-11-21 23:12:30,417 INFO L321 Elim1Store]: treesize reduction 144, result has 26.5 percent of original size [2022-11-21 23:12:30,417 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 66 treesize of output 80 [2022-11-21 23:12:30,439 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-21 23:12:30,440 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-11-21 23:12:30,698 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 113 [2022-11-21 23:12:30,780 INFO L321 Elim1Store]: treesize reduction 214, result has 24.4 percent of original size [2022-11-21 23:12:30,780 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 80 treesize of output 99 [2022-11-21 23:12:30,811 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2022-11-21 23:12:31,141 INFO L321 Elim1Store]: treesize reduction 235, result has 22.4 percent of original size [2022-11-21 23:12:31,141 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 99 treesize of output 110 [2022-11-21 23:12:32,026 INFO L321 Elim1Store]: treesize reduction 278, result has 18.0 percent of original size [2022-11-21 23:12:32,026 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 21 case distinctions, treesize of input 78 treesize of output 92 [2022-11-21 23:12:32,394 INFO L321 Elim1Store]: treesize reduction 364, result has 14.4 percent of original size [2022-11-21 23:12:32,395 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 27 case distinctions, treesize of input 92 treesize of output 109 [2022-11-21 23:12:32,922 INFO L321 Elim1Store]: treesize reduction 545, result has 13.9 percent of original size [2022-11-21 23:12:32,923 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 36 case distinctions, treesize of input 108 treesize of output 128 [2022-11-21 23:12:38,526 INFO L321 Elim1Store]: treesize reduction 669, result has 1.5 percent of original size [2022-11-21 23:12:38,527 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 182 treesize of output 49 [2022-11-21 23:12:38,863 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:13:06,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:13:06,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 87 states and 120 transitions. [2022-11-21 23:13:06,130 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 120 transitions. [2022-11-21 23:13:06,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-21 23:13:06,132 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:13:06,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:13:06,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:13:06,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-21 23:13:06,225 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:13:07,700 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 51 proven. 26 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2022-11-21 23:13:14,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:13:14,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 93 states and 135 transitions. [2022-11-21 23:13:14,990 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 135 transitions. [2022-11-21 23:13:14,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-21 23:13:14,999 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:13:15,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:13:15,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:13:15,094 INFO L263 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-21 23:13:15,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:13:15,159 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 35 proven. 46 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-21 23:13:20,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:13:20,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 99 states and 142 transitions. [2022-11-21 23:13:20,886 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 142 transitions. [2022-11-21 23:13:20,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-21 23:13:20,887 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:13:20,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:13:20,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:13:20,961 INFO L263 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-21 23:13:20,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:13:22,163 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 6 proven. 85 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2022-11-21 23:13:28,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:13:28,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 105 states and 150 transitions. [2022-11-21 23:13:28,104 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 150 transitions. [2022-11-21 23:13:28,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-21 23:13:28,105 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:13:28,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:13:28,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:13:28,200 INFO L263 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-21 23:13:28,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:13:28,241 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 80 proven. 19 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2022-11-21 23:13:30,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:13:30,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 108 states and 153 transitions. [2022-11-21 23:13:30,244 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 153 transitions. [2022-11-21 23:13:30,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-21 23:13:30,245 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:13:30,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:13:30,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:13:30,322 INFO L263 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-21 23:13:30,323 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:13:30,359 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 80 proven. 19 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2022-11-21 23:13:30,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:13:30,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 95 states and 129 transitions. [2022-11-21 23:13:30,923 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 129 transitions. [2022-11-21 23:13:30,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-11-21 23:13:30,924 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:13:30,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:13:31,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:13:31,014 INFO L263 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-21 23:13:31,015 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:13:31,091 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 45 proven. 70 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2022-11-21 23:13:37,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:13:37,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 100 states and 135 transitions. [2022-11-21 23:13:37,269 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 135 transitions. [2022-11-21 23:13:37,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-21 23:13:37,270 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:13:37,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:13:37,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:13:37,363 INFO L263 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-21 23:13:37,365 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:13:37,436 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 70 proven. 70 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2022-11-21 23:13:42,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:13:42,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 97 states and 127 transitions. [2022-11-21 23:13:42,707 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 127 transitions. [2022-11-21 23:13:42,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-11-21 23:13:42,708 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:13:42,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:13:42,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:13:42,796 INFO L263 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-21 23:13:42,797 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:13:42,860 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 53 proven. 70 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2022-11-21 23:13:47,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:13:47,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 98 states and 126 transitions. [2022-11-21 23:13:47,447 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 126 transitions. [2022-11-21 23:13:47,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-11-21 23:13:47,447 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:13:47,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:13:47,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:13:47,546 INFO L263 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-21 23:13:47,547 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:13:47,673 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 10 proven. 145 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2022-11-21 23:13:49,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:13:49,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 104 states and 134 transitions. [2022-11-21 23:13:49,223 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 134 transitions. [2022-11-21 23:13:49,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-11-21 23:13:49,224 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:13:49,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:13:57,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:13:57,587 WARN L261 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 199 conjunts are in the unsatisfiable core [2022-11-21 23:13:57,597 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:13:58,140 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2022-11-21 23:13:58,453 INFO L321 Elim1Store]: treesize reduction 30, result has 34.8 percent of original size [2022-11-21 23:13:58,453 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 34 [2022-11-21 23:13:58,811 INFO L321 Elim1Store]: treesize reduction 40, result has 28.6 percent of original size [2022-11-21 23:13:58,811 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 49 treesize of output 51 [2022-11-21 23:13:59,226 INFO L321 Elim1Store]: treesize reduction 50, result has 24.2 percent of original size [2022-11-21 23:13:59,227 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 63 treesize of output 68 [2022-11-21 23:14:00,493 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 80 [2022-11-21 23:14:00,539 INFO L321 Elim1Store]: treesize reduction 142, result has 19.8 percent of original size [2022-11-21 23:14:00,539 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 47 treesize of output 66 [2022-11-21 23:14:00,564 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-21 23:14:00,564 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-11-21 23:14:00,969 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 94 [2022-11-21 23:14:01,056 INFO L321 Elim1Store]: treesize reduction 236, result has 18.1 percent of original size [2022-11-21 23:14:01,056 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 15 case distinctions, treesize of input 61 treesize of output 85 [2022-11-21 23:14:01,066 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-21 23:14:01,066 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-11-21 23:14:01,584 INFO L321 Elim1Store]: treesize reduction 261, result has 16.3 percent of original size [2022-11-21 23:14:01,585 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 20 case distinctions, treesize of input 82 treesize of output 96 [2022-11-21 23:14:02,103 INFO L321 Elim1Store]: treesize reduction 327, result has 13.5 percent of original size [2022-11-21 23:14:02,104 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 26 case distinctions, treesize of input 96 treesize of output 113 [2022-11-21 23:14:03,971 INFO L321 Elim1Store]: treesize reduction 417, result has 16.4 percent of original size [2022-11-21 23:14:03,971 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 36 case distinctions, treesize of input 99 treesize of output 119 [2022-11-21 23:14:04,777 INFO L321 Elim1Store]: treesize reduction 531, result has 13.4 percent of original size [2022-11-21 23:14:04,778 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 44 case distinctions, treesize of input 113 treesize of output 136 [2022-11-21 23:14:05,408 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 149 treesize of output 139 [2022-11-21 23:14:05,753 INFO L321 Elim1Store]: treesize reduction 756, result has 12.6 percent of original size [2022-11-21 23:14:05,753 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 55 case distinctions, treesize of input 106 treesize of output 155 [2022-11-21 23:14:05,772 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2022-11-21 23:14:06,761 INFO L321 Elim1Store]: treesize reduction 842, result has 10.4 percent of original size [2022-11-21 23:14:06,762 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 0 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 64 case distinctions, treesize of input 143 treesize of output 172 [2022-11-21 23:14:09,315 INFO L321 Elim1Store]: treesize reduction 904, result has 12.5 percent of original size [2022-11-21 23:14:09,316 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 78 case distinctions, treesize of input 146 treesize of output 178 [2022-11-21 23:14:10,039 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 185 treesize of output 169 [2022-11-21 23:14:10,594 INFO L321 Elim1Store]: treesize reduction 1232, result has 10.3 percent of original size [2022-11-21 23:14:10,595 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 0 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 91 case distinctions, treesize of input 136 treesize of output 200 [2022-11-21 23:14:10,622 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-21 23:14:10,623 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-11-21 23:14:11,996 INFO L321 Elim1Store]: treesize reduction 1258, result has 9.3 percent of original size [2022-11-21 23:14:11,996 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 103 case distinctions, treesize of input 174 treesize of output 212 [2022-11-21 23:14:13,423 INFO L321 Elim1Store]: treesize reduction 1214, result has 9.6 percent of original size [2022-11-21 23:14:13,424 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 15 select indices, 15 select index equivalence classes, 0 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 117 case distinctions, treesize of input 180 treesize of output 221 [2022-11-21 23:14:37,011 INFO L321 Elim1Store]: treesize reduction 1032, result has 0.1 percent of original size [2022-11-21 23:14:37,012 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 16 select indices, 16 select index equivalence classes, 0 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 322 treesize of output 68 [2022-11-21 23:14:37,474 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 0 proven. 400 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:16:25,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:16:25,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 154 states and 198 transitions. [2022-11-21 23:16:25,201 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 198 transitions. [2022-11-21 23:16:25,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-11-21 23:16:25,202 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:16:25,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:16:25,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:16:25,317 INFO L263 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-21 23:16:25,319 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:16:29,408 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 132 proven. 40 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2022-11-21 23:16:49,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:16:49,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 162 states and 214 transitions. [2022-11-21 23:16:49,265 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 214 transitions. [2022-11-21 23:16:49,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-11-21 23:16:49,266 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:16:49,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:16:49,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:16:49,392 INFO L263 TraceCheckSpWp]: Trace formula consists of 369 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-21 23:16:49,393 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:16:49,451 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 138 proven. 70 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2022-11-21 23:17:03,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:17:03,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 169 states and 222 transitions. [2022-11-21 23:17:03,333 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 222 transitions. [2022-11-21 23:17:03,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-11-21 23:17:03,334 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:17:03,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:17:03,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:17:03,456 INFO L263 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-21 23:17:03,457 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:17:03,526 INFO L134 CoverageAnalysis]: Checked inductivity of 463 backedges. 82 proven. 100 refuted. 0 times theorem prover too weak. 281 trivial. 0 not checked. [2022-11-21 23:17:17,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:17:17,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 176 states and 230 transitions. [2022-11-21 23:17:17,577 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 230 transitions. [2022-11-21 23:17:17,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-11-21 23:17:17,577 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:17:17,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:17:17,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:17:17,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-21 23:17:17,700 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:17:21,063 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 10 proven. 231 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2022-11-21 23:17:37,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:17:37,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 183 states and 239 transitions. [2022-11-21 23:17:37,105 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 239 transitions. [2022-11-21 23:17:37,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-21 23:17:37,106 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:17:37,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:17:37,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:17:37,248 INFO L263 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-21 23:17:37,249 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:17:37,290 INFO L134 CoverageAnalysis]: Checked inductivity of 491 backedges. 157 proven. 23 refuted. 0 times theorem prover too weak. 311 trivial. 0 not checked. [2022-11-21 23:17:42,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:17:42,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 186 states and 243 transitions. [2022-11-21 23:17:42,023 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 243 transitions. [2022-11-21 23:17:42,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-21 23:17:42,024 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:17:42,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:17:42,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:17:42,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-21 23:17:42,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:17:42,182 INFO L134 CoverageAnalysis]: Checked inductivity of 491 backedges. 157 proven. 23 refuted. 0 times theorem prover too weak. 311 trivial. 0 not checked. [2022-11-21 23:17:43,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:17:43,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 165 states and 208 transitions. [2022-11-21 23:17:43,840 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 208 transitions. [2022-11-21 23:17:43,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-11-21 23:17:43,841 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:17:43,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:17:43,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:17:43,993 INFO L263 TraceCheckSpWp]: Trace formula consists of 445 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-21 23:17:43,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:17:44,118 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 94 proven. 135 refuted. 0 times theorem prover too weak. 421 trivial. 0 not checked. [2022-11-21 23:18:02,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:18:02,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 171 states and 216 transitions. [2022-11-21 23:18:02,106 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 216 transitions. [2022-11-21 23:18:02,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-11-21 23:18:02,107 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:18:02,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:18:02,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:18:02,241 INFO L263 TraceCheckSpWp]: Trace formula consists of 450 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-21 23:18:02,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:18:02,341 INFO L134 CoverageAnalysis]: Checked inductivity of 670 backedges. 161 proven. 135 refuted. 0 times theorem prover too weak. 374 trivial. 0 not checked. [2022-11-21 23:18:16,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:18:16,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 167 states and 207 transitions. [2022-11-21 23:18:16,587 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 207 transitions. [2022-11-21 23:18:16,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-21 23:18:16,588 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:18:16,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:18:16,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:18:16,720 INFO L263 TraceCheckSpWp]: Trace formula consists of 455 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-21 23:18:16,722 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:18:16,852 INFO L134 CoverageAnalysis]: Checked inductivity of 691 backedges. 166 proven. 135 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2022-11-21 23:18:29,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:18:29,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 168 states and 207 transitions. [2022-11-21 23:18:29,828 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 207 transitions. [2022-11-21 23:18:29,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-11-21 23:18:29,828 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:18:29,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:18:29,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:18:29,957 INFO L263 TraceCheckSpWp]: Trace formula consists of 460 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-21 23:18:29,958 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:18:30,060 INFO L134 CoverageAnalysis]: Checked inductivity of 713 backedges. 109 proven. 135 refuted. 0 times theorem prover too weak. 469 trivial. 0 not checked. [2022-11-21 23:18:42,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:18:42,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 169 states and 206 transitions. [2022-11-21 23:18:42,097 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 206 transitions. [2022-11-21 23:18:42,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-11-21 23:18:42,097 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:18:42,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:18:42,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:18:42,225 INFO L263 TraceCheckSpWp]: Trace formula consists of 465 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-21 23:18:42,226 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:18:42,387 INFO L134 CoverageAnalysis]: Checked inductivity of 736 backedges. 15 proven. 351 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2022-11-21 23:18:45,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:18:45,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 176 states and 215 transitions. [2022-11-21 23:18:45,156 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 215 transitions. [2022-11-21 23:18:45,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-11-21 23:18:45,156 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:18:45,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:18:55,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2022-11-21 23:18:55,339 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:487) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-21 23:18:55,342 INFO L158 Benchmark]: Toolchain (without parser) took 414644.07ms. Allocated memory was 157.3MB in the beginning and 1.7GB in the end (delta: 1.6GB). Free memory was 115.0MB in the beginning and 951.6MB in the end (delta: -836.7MB). Peak memory consumption was 723.0MB. Max. memory is 16.1GB. [2022-11-21 23:18:55,342 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 113.2MB. Free memory is still 61.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:18:55,343 INFO L158 Benchmark]: CACSL2BoogieTranslator took 283.60ms. Allocated memory is still 157.3MB. Free memory was 114.5MB in the beginning and 104.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-21 23:18:55,343 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.88ms. Allocated memory is still 157.3MB. Free memory was 104.0MB in the beginning and 102.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:18:55,343 INFO L158 Benchmark]: Boogie Preprocessor took 37.38ms. Allocated memory is still 157.3MB. Free memory was 102.4MB in the beginning and 101.4MB in the end (delta: 958.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:18:55,344 INFO L158 Benchmark]: RCFGBuilder took 494.74ms. Allocated memory is still 157.3MB. Free memory was 101.4MB in the beginning and 86.3MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-21 23:18:55,344 INFO L158 Benchmark]: CodeCheck took 413786.54ms. Allocated memory was 157.3MB in the beginning and 1.7GB in the end (delta: 1.6GB). Free memory was 86.3MB in the beginning and 951.6MB in the end (delta: -865.4MB). Peak memory consumption was 695.7MB. Max. memory is 16.1GB. [2022-11-21 23:18:55,346 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:487) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 113.2MB. Free memory is still 61.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 283.60ms. Allocated memory is still 157.3MB. Free memory was 114.5MB in the beginning and 104.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.88ms. Allocated memory is still 157.3MB. Free memory was 104.0MB in the beginning and 102.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.38ms. Allocated memory is still 157.3MB. Free memory was 102.4MB in the beginning and 101.4MB in the end (delta: 958.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 494.74ms. Allocated memory is still 157.3MB. Free memory was 101.4MB in the beginning and 86.3MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 413786.54ms. Allocated memory was 157.3MB in the beginning and 1.7GB in the end (delta: 1.6GB). Free memory was 86.3MB in the beginning and 951.6MB in the end (delta: -865.4MB). Peak memory consumption was 695.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-21 23:18:55,575 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12dc109f-cff6-4a12-83ad-8756fb27e258/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2022-11-21 23:18:55,644 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12dc109f-cff6-4a12-83ad-8756fb27e258/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_12dc109f-cff6-4a12-83ad-8756fb27e258/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12dc109f-cff6-4a12-83ad-8756fb27e258/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_12dc109f-cff6-4a12-83ad-8756fb27e258/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12dc109f-cff6-4a12-83ad-8756fb27e258/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/array-patterns/array29_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12dc109f-cff6-4a12-83ad-8756fb27e258/bin/ukojak-jW3SillKbg/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12dc109f-cff6-4a12-83ad-8756fb27e258/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 c79b0cfbfa84c2390344382edf3f60a855c5e1f87aaed3ee77c2dd6c5f017188 --- 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 23:18:57,884 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:18:57,888 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:18:57,917 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:18:57,918 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:18:57,922 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:18:57,927 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:18:57,930 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:18:57,932 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:18:57,938 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:18:57,939 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:18:57,944 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:18:57,945 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:18:57,947 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:18:57,950 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:18:57,954 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:18:57,955 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:18:57,957 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:18:57,959 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:18:57,965 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:18:57,967 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:18:57,970 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:18:57,971 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:18:57,972 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:18:57,981 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:18:57,981 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:18:57,981 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:18:57,984 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:18:57,984 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:18:57,985 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:18:57,986 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:18:57,988 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:18:57,990 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:18:58,014 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:18:58,015 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:18:58,016 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:18:58,016 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:18:58,017 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:18:58,017 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:18:58,018 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:18:58,019 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:18:58,020 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12dc109f-cff6-4a12-83ad-8756fb27e258/bin/ukojak-jW3SillKbg/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2022-11-21 23:18:58,046 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:18:58,046 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:18:58,047 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:18:58,047 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:18:58,048 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:18:58,049 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:18:58,049 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:18:58,049 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 23:18:58,049 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 23:18:58,050 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:18:58,050 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:18:58,050 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:18:58,051 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:18:58,051 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-21 23:18:58,051 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-21 23:18:58,051 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-21 23:18:58,052 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 23:18:58,052 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:18:58,052 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:18:58,053 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:18:58,053 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:18:58,053 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:18:58,053 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:18:58,054 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:18:58,054 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:18:58,054 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:18:58,055 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:18:58,055 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-21 23:18:58,055 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-21 23:18:58,055 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:18:58,056 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-21 23:18:58,056 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-21 23:18:58,056 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_12dc109f-cff6-4a12-83ad-8756fb27e258/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12dc109f-cff6-4a12-83ad-8756fb27e258/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c79b0cfbfa84c2390344382edf3f60a855c5e1f87aaed3ee77c2dd6c5f017188 [2022-11-21 23:18:58,493 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:18:58,527 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:18:58,532 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:18:58,535 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:18:58,536 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:18:58,537 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12dc109f-cff6-4a12-83ad-8756fb27e258/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/array-patterns/array29_pattern.c [2022-11-21 23:19:01,702 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:19:01,922 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:19:01,923 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12dc109f-cff6-4a12-83ad-8756fb27e258/sv-benchmarks/c/array-patterns/array29_pattern.c [2022-11-21 23:19:01,931 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12dc109f-cff6-4a12-83ad-8756fb27e258/bin/ukojak-jW3SillKbg/data/3f3493be8/5b0dbeaa53b348b084742217c56e254b/FLAGdd2c55279 [2022-11-21 23:19:01,957 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12dc109f-cff6-4a12-83ad-8756fb27e258/bin/ukojak-jW3SillKbg/data/3f3493be8/5b0dbeaa53b348b084742217c56e254b [2022-11-21 23:19:01,962 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:19:01,964 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:19:01,968 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:19:01,968 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:19:01,971 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:19:01,972 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:19:01" (1/1) ... [2022-11-21 23:19:01,974 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44490c14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:19:01, skipping insertion in model container [2022-11-21 23:19:01,974 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:19:01" (1/1) ... [2022-11-21 23:19:01,981 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:19:02,006 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:19:02,175 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_12dc109f-cff6-4a12-83ad-8756fb27e258/sv-benchmarks/c/array-patterns/array29_pattern.c[1255,1268] [2022-11-21 23:19:02,196 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:19:02,208 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 23:19:02,221 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_12dc109f-cff6-4a12-83ad-8756fb27e258/sv-benchmarks/c/array-patterns/array29_pattern.c[1255,1268] [2022-11-21 23:19:02,230 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:19:02,245 INFO L208 MainTranslator]: Completed translation [2022-11-21 23:19:02,245 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:19:02 WrapperNode [2022-11-21 23:19:02,245 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 23:19:02,247 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 23:19:02,247 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 23:19:02,247 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 23:19:02,256 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:19:02" (1/1) ... [2022-11-21 23:19:02,265 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:19:02" (1/1) ... [2022-11-21 23:19:02,285 INFO L138 Inliner]: procedures = 18, calls = 15, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 71 [2022-11-21 23:19:02,285 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 23:19:02,286 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 23:19:02,286 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 23:19:02,286 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 23:19:02,295 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:19:02" (1/1) ... [2022-11-21 23:19:02,296 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:19:02" (1/1) ... [2022-11-21 23:19:02,299 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:19:02" (1/1) ... [2022-11-21 23:19:02,299 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:19:02" (1/1) ... [2022-11-21 23:19:02,310 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:19:02" (1/1) ... [2022-11-21 23:19:02,326 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:19:02" (1/1) ... [2022-11-21 23:19:02,327 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:19:02" (1/1) ... [2022-11-21 23:19:02,331 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:19:02" (1/1) ... [2022-11-21 23:19:02,334 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 23:19:02,341 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 23:19:02,341 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 23:19:02,341 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 23:19:02,342 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:19:02" (1/1) ... [2022-11-21 23:19:02,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:19:02,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12dc109f-cff6-4a12-83ad-8756fb27e258/bin/ukojak-jW3SillKbg/z3 [2022-11-21 23:19:02,379 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12dc109f-cff6-4a12-83ad-8756fb27e258/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 23:19:02,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12dc109f-cff6-4a12-83ad-8756fb27e258/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 23:19:02,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 23:19:02,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-21 23:19:02,428 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 23:19:02,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-21 23:19:02,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 23:19:02,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 23:19:02,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 23:19:02,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-21 23:19:02,530 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 23:19:02,532 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 23:19:02,972 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 23:19:03,098 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 23:19:03,098 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-21 23:19:03,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:19:03 BoogieIcfgContainer [2022-11-21 23:19:03,105 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 23:19:03,107 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 23:19:03,107 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 23:19:03,118 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 23:19:03,119 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:19:03" (1/1) ... [2022-11-21 23:19:03,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 23:19:03,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:19:03,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 10 states and 14 transitions. [2022-11-21 23:19:03,206 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 14 transitions. [2022-11-21 23:19:03,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-21 23:19:03,209 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:19:03,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:19:03,269 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Sort BitVec not declared at de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:385) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.NonDeclaringTermTransferrer.transferSort(NonDeclaringTermTransferrer.java:111) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.DeclarableSortSymbol.defineOrDeclare(DeclarableSortSymbol.java:79) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:171) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:196) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.SmtFunctionsAndAxioms.transferAllSymbols(SmtFunctionsAndAxioms.java:156) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.CfgSmtToolkit.createFreshManagedScript(CfgSmtToolkit.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:439) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-21 23:19:03,276 INFO L158 Benchmark]: Toolchain (without parser) took 1311.54ms. Allocated memory is still 83.9MB. Free memory was 42.9MB in the beginning and 62.8MB in the end (delta: -19.9MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. [2022-11-21 23:19:03,277 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 83.9MB. Free memory is still 61.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:19:03,278 INFO L158 Benchmark]: CACSL2BoogieTranslator took 278.04ms. Allocated memory is still 83.9MB. Free memory was 42.6MB in the beginning and 61.3MB in the end (delta: -18.7MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2022-11-21 23:19:03,279 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.74ms. Allocated memory is still 83.9MB. Free memory was 61.3MB in the beginning and 59.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:19:03,280 INFO L158 Benchmark]: Boogie Preprocessor took 54.21ms. Allocated memory is still 83.9MB. Free memory was 59.6MB in the beginning and 58.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:19:03,281 INFO L158 Benchmark]: RCFGBuilder took 765.04ms. Allocated memory is still 83.9MB. Free memory was 58.2MB in the beginning and 39.6MB in the end (delta: 18.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-21 23:19:03,282 INFO L158 Benchmark]: CodeCheck took 167.98ms. Allocated memory is still 83.9MB. Free memory was 39.6MB in the beginning and 62.8MB in the end (delta: -23.2MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. [2022-11-21 23:19:03,291 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: SMTLIBException: Sort BitVec not declared: de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:385) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 83.9MB. Free memory is still 61.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 278.04ms. Allocated memory is still 83.9MB. Free memory was 42.6MB in the beginning and 61.3MB in the end (delta: -18.7MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.74ms. Allocated memory is still 83.9MB. Free memory was 61.3MB in the beginning and 59.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.21ms. Allocated memory is still 83.9MB. Free memory was 59.6MB in the beginning and 58.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 765.04ms. Allocated memory is still 83.9MB. Free memory was 58.2MB in the beginning and 39.6MB in the end (delta: 18.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 167.98ms. Allocated memory is still 83.9MB. Free memory was 39.6MB in the beginning and 62.8MB in the end (delta: -23.2MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-21 23:19:03,315 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12dc109f-cff6-4a12-83ad-8756fb27e258/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared