./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/array-tiling/poly1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a2ba09c-001d-491d-a22a-ef91a270e348/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a2ba09c-001d-491d-a22a-ef91a270e348/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_4a2ba09c-001d-491d-a22a-ef91a270e348/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a2ba09c-001d-491d-a22a-ef91a270e348/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/array-tiling/poly1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a2ba09c-001d-491d-a22a-ef91a270e348/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a2ba09c-001d-491d-a22a-ef91a270e348/bin/ukojak-jW3SillKbg --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3116e607f032f81b099fa1792f5e25b70e1832d9d57f1b8b6500e90d2143faec --- 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 23:23:24,137 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:23:24,139 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:23:24,180 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:23:24,181 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:23:24,182 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:23:24,183 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:23:24,184 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:23:24,186 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:23:24,187 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:23:24,188 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:23:24,189 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:23:24,189 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:23:24,190 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:23:24,192 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:23:24,193 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:23:24,194 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:23:24,194 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:23:24,199 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:23:24,206 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:23:24,209 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:23:24,215 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:23:24,217 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:23:24,218 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:23:24,224 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:23:24,227 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:23:24,228 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:23:24,229 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:23:24,230 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:23:24,232 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:23:24,234 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:23:24,234 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:23:24,236 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:23:24,238 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:23:24,239 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:23:24,240 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:23:24,240 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:23:24,240 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:23:24,241 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:23:24,242 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:23:24,242 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:23:24,243 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a2ba09c-001d-491d-a22a-ef91a270e348/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-21 23:23:24,270 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:23:24,270 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:23:24,271 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:23:24,271 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:23:24,272 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:23:24,272 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:23:24,272 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:23:24,272 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 23:23:24,272 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 23:23:24,273 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 23:23:24,273 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 23:23:24,273 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:23:24,273 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:23:24,273 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:23:24,273 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:23:24,274 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 23:23:24,274 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 23:23:24,274 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:23:24,274 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:23:24,274 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:23:24,275 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:23:24,275 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:23:24,275 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:23:24,275 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:23:24,275 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:23:24,276 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:23:24,276 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:23:24,276 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 23:23:24,276 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 23:23:24,276 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:23:24,276 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_4a2ba09c-001d-491d-a22a-ef91a270e348/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a2ba09c-001d-491d-a22a-ef91a270e348/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3116e607f032f81b099fa1792f5e25b70e1832d9d57f1b8b6500e90d2143faec [2022-11-21 23:23:24,565 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:23:24,597 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:23:24,600 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:23:24,601 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:23:24,602 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:23:24,604 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a2ba09c-001d-491d-a22a-ef91a270e348/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/array-tiling/poly1.c [2022-11-21 23:23:27,744 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:23:27,942 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:23:27,943 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a2ba09c-001d-491d-a22a-ef91a270e348/sv-benchmarks/c/array-tiling/poly1.c [2022-11-21 23:23:27,949 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a2ba09c-001d-491d-a22a-ef91a270e348/bin/ukojak-jW3SillKbg/data/91669f4b4/84cd29b75da540abb68ef3087608fd7a/FLAG2eb031371 [2022-11-21 23:23:27,969 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a2ba09c-001d-491d-a22a-ef91a270e348/bin/ukojak-jW3SillKbg/data/91669f4b4/84cd29b75da540abb68ef3087608fd7a [2022-11-21 23:23:27,971 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:23:27,973 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:23:27,977 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:23:27,977 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:23:27,980 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:23:27,981 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:23:27" (1/1) ... [2022-11-21 23:23:27,982 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e201c7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:23:27, skipping insertion in model container [2022-11-21 23:23:27,983 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:23:27" (1/1) ... [2022-11-21 23:23:27,990 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:23:28,012 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:23:28,152 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_4a2ba09c-001d-491d-a22a-ef91a270e348/sv-benchmarks/c/array-tiling/poly1.c[396,409] [2022-11-21 23:23:28,167 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:23:28,178 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 23:23:28,192 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_4a2ba09c-001d-491d-a22a-ef91a270e348/sv-benchmarks/c/array-tiling/poly1.c[396,409] [2022-11-21 23:23:28,197 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:23:28,211 INFO L208 MainTranslator]: Completed translation [2022-11-21 23:23:28,211 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:23:28 WrapperNode [2022-11-21 23:23:28,211 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 23:23:28,213 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 23:23:28,213 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 23:23:28,213 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 23:23:28,221 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:23:28" (1/1) ... [2022-11-21 23:23:28,229 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:23:28" (1/1) ... [2022-11-21 23:23:28,248 INFO L138 Inliner]: procedures = 16, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 63 [2022-11-21 23:23:28,248 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 23:23:28,249 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 23:23:28,249 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 23:23:28,249 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 23:23:28,259 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:23:28" (1/1) ... [2022-11-21 23:23:28,259 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:23:28" (1/1) ... [2022-11-21 23:23:28,264 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:23:28" (1/1) ... [2022-11-21 23:23:28,265 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:23:28" (1/1) ... [2022-11-21 23:23:28,269 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:23:28" (1/1) ... [2022-11-21 23:23:28,273 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:23:28" (1/1) ... [2022-11-21 23:23:28,274 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:23:28" (1/1) ... [2022-11-21 23:23:28,275 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:23:28" (1/1) ... [2022-11-21 23:23:28,276 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 23:23:28,277 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 23:23:28,277 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 23:23:28,278 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 23:23:28,279 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:23:28" (1/1) ... [2022-11-21 23:23:28,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:23:28,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a2ba09c-001d-491d-a22a-ef91a270e348/bin/ukojak-jW3SillKbg/z3 [2022-11-21 23:23:28,307 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a2ba09c-001d-491d-a22a-ef91a270e348/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 23:23:28,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a2ba09c-001d-491d-a22a-ef91a270e348/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 23:23:28,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 23:23:28,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 23:23:28,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 23:23:28,349 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-21 23:23:28,349 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 23:23:28,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 23:23:28,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 23:23:28,417 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 23:23:28,419 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 23:23:28,577 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 23:23:28,622 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 23:23:28,622 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-21 23:23:28,625 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:23:28 BoogieIcfgContainer [2022-11-21 23:23:28,625 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 23:23:28,626 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 23:23:28,626 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 23:23:28,636 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 23:23:28,636 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:23:28" (1/1) ... [2022-11-21 23:23:28,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 23:23:28,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:23:28,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 22 states and 24 transitions. [2022-11-21 23:23:28,693 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2022-11-21 23:23:28,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-21 23:23:28,695 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:23:28,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:23:28,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:23:28,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-21 23:23:28,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:23:28,874 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 23:23:28,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:23:28,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 24 states and 28 transitions. [2022-11-21 23:23:28,997 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2022-11-21 23:23:28,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-21 23:23:28,997 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:23:28,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:23:29,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:23:29,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:23:29,166 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-21 23:23:29,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:23:29,228 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 23:23:29,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:23:29,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 25 states and 30 transitions. [2022-11-21 23:23:29,345 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 30 transitions. [2022-11-21 23:23:29,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-21 23:23:29,346 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:23:29,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:23:29,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:23:29,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-21 23:23:29,390 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:23:29,392 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 23:23:29,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:23:29,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 24 states and 29 transitions. [2022-11-21 23:23:29,406 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 29 transitions. [2022-11-21 23:23:29,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-21 23:23:29,406 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:23:29,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:23:29,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:23:29,475 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-21 23:23:29,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:23:29,513 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 23:23:29,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:23:29,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 26 states and 32 transitions. [2022-11-21 23:23:29,565 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 32 transitions. [2022-11-21 23:23:29,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-21 23:23:29,573 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:23:29,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:23:29,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:23:29,629 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-21 23:23:29,630 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:23:29,671 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 23:23:29,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:23:29,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 29 states and 35 transitions. [2022-11-21 23:23:29,789 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 35 transitions. [2022-11-21 23:23:29,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-21 23:23:29,789 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:23:29,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:23:29,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:23:29,845 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-21 23:23:29,847 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:23:29,901 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:23:29,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:23:29,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 32 states and 39 transitions. [2022-11-21 23:23:29,995 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2022-11-21 23:23:29,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-21 23:23:29,995 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:23:29,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:23:30,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:23:30,030 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-21 23:23:30,031 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:23:30,102 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:23:30,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:23:30,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 37 states and 43 transitions. [2022-11-21 23:23:30,399 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 43 transitions. [2022-11-21 23:23:30,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-21 23:23:30,400 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:23:30,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:23:30,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:23:30,437 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-21 23:23:30,438 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:23:30,508 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:23:30,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:23:30,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 39 states and 45 transitions. [2022-11-21 23:23:30,639 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 45 transitions. [2022-11-21 23:23:30,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-21 23:23:30,640 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:23:30,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:23:30,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:23:30,696 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-21 23:23:30,698 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:23:30,833 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:23:30,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:23:30,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 42 states and 49 transitions. [2022-11-21 23:23:30,984 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 49 transitions. [2022-11-21 23:23:30,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-21 23:23:30,984 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:23:30,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:23:31,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:23:31,031 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-21 23:23:31,032 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:23:31,037 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-21 23:23:31,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:23:31,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 44 states and 53 transitions. [2022-11-21 23:23:31,084 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 53 transitions. [2022-11-21 23:23:31,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-21 23:23:31,085 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:23:31,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:23:31,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:23:31,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-21 23:23:31,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:23:31,150 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-21 23:23:31,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:23:31,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 43 states and 52 transitions. [2022-11-21 23:23:31,162 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 52 transitions. [2022-11-21 23:23:31,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-21 23:23:31,162 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:23:31,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:23:31,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:23:31,223 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-21 23:23:31,224 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:23:31,319 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:23:31,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:23:31,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 45 states and 54 transitions. [2022-11-21 23:23:31,438 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 54 transitions. [2022-11-21 23:23:31,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-21 23:23:31,439 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:23:31,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:23:31,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:23:31,507 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-21 23:23:31,508 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:23:31,545 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-21 23:23:31,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:23:31,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 47 states and 57 transitions. [2022-11-21 23:23:31,592 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 57 transitions. [2022-11-21 23:23:31,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-21 23:23:31,593 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:23:31,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:23:31,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:23:31,653 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-21 23:23:31,654 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:23:31,696 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-21 23:23:31,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:23:31,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 50 states and 60 transitions. [2022-11-21 23:23:31,818 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 60 transitions. [2022-11-21 23:23:31,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-21 23:23:31,820 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:23:31,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:23:31,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:23:31,897 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 15 conjunts are in the unsatisfiable core [2022-11-21 23:23:31,898 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:23:32,038 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:23:32,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:23:32,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 53 states and 64 transitions. [2022-11-21 23:23:32,223 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 64 transitions. [2022-11-21 23:23:32,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-21 23:23:32,224 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:23:32,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:23:32,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:23:32,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-21 23:23:32,266 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:23:32,316 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-21 23:23:32,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:23:32,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 56 states and 68 transitions. [2022-11-21 23:23:32,377 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 68 transitions. [2022-11-21 23:23:32,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-21 23:23:32,377 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:23:32,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:23:32,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:23:32,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-21 23:23:32,413 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:23:32,518 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:23:32,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:23:32,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 58 states and 70 transitions. [2022-11-21 23:23:32,678 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 70 transitions. [2022-11-21 23:23:32,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-21 23:23:32,679 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:23:32,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:23:32,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:23:32,738 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-21 23:23:32,739 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:23:32,798 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-21 23:23:32,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:23:32,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 60 states and 72 transitions. [2022-11-21 23:23:32,920 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 72 transitions. [2022-11-21 23:23:32,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-21 23:23:32,921 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:23:32,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:23:32,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:23:32,998 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-21 23:23:32,999 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:23:33,160 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:23:33,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:23:33,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 63 states and 76 transitions. [2022-11-21 23:23:33,383 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 76 transitions. [2022-11-21 23:23:33,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-21 23:23:33,383 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:23:33,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:23:33,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:23:33,422 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-21 23:23:33,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:23:33,732 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:23:34,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:23:34,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 74 states and 92 transitions. [2022-11-21 23:23:34,837 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 92 transitions. [2022-11-21 23:23:34,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-21 23:23:34,838 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:23:34,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:23:34,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:23:34,877 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-21 23:23:34,878 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:23:35,023 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:23:35,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:23:35,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 76 states and 94 transitions. [2022-11-21 23:23:35,242 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 94 transitions. [2022-11-21 23:23:35,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-21 23:23:35,242 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:23:35,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:23:35,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:23:35,332 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 23 conjunts are in the unsatisfiable core [2022-11-21 23:23:35,333 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:23:35,512 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:23:35,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:23:35,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 79 states and 99 transitions. [2022-11-21 23:23:35,810 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 99 transitions. [2022-11-21 23:23:35,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-21 23:23:35,811 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:23:35,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:23:35,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:23:35,864 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-21 23:23:35,865 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:23:35,966 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-21 23:23:36,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:23:36,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 82 states and 102 transitions. [2022-11-21 23:23:36,358 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 102 transitions. [2022-11-21 23:23:36,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-21 23:23:36,359 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:23:36,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:23:36,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:23:36,407 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-21 23:23:36,413 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:23:36,578 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:23:36,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:23:36,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 84 states and 104 transitions. [2022-11-21 23:23:36,807 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 104 transitions. [2022-11-21 23:23:36,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-21 23:23:36,807 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:23:36,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:23:36,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:23:36,855 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-21 23:23:36,856 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:23:36,941 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-21 23:23:37,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:23:37,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 86 states and 107 transitions. [2022-11-21 23:23:37,108 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 107 transitions. [2022-11-21 23:23:37,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-21 23:23:37,108 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:23:37,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:23:37,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:23:37,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 27 conjunts are in the unsatisfiable core [2022-11-21 23:23:37,407 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:23:37,642 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:23:38,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:23:38,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 89 states and 112 transitions. [2022-11-21 23:23:38,043 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 112 transitions. [2022-11-21 23:23:38,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-21 23:23:38,043 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:23:38,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:23:38,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:23:38,098 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-21 23:23:38,099 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:23:38,678 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 21 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:23:41,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:23:41,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 105 states and 134 transitions. [2022-11-21 23:23:41,318 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 134 transitions. [2022-11-21 23:23:41,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-21 23:23:41,319 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:23:41,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:23:41,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:23:41,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 15 conjunts are in the unsatisfiable core [2022-11-21 23:23:41,374 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:23:41,588 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:23:41,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:23:41,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 107 states and 136 transitions. [2022-11-21 23:23:41,873 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 136 transitions. [2022-11-21 23:23:41,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-11-21 23:23:41,873 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:23:41,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:23:42,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:23:42,318 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 31 conjunts are in the unsatisfiable core [2022-11-21 23:23:42,319 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:23:42,571 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 119 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:23:43,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:23:43,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 110 states and 142 transitions. [2022-11-21 23:23:43,053 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 142 transitions. [2022-11-21 23:23:43,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-21 23:23:43,053 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:23:43,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:23:43,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:23:43,146 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-21 23:23:43,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:23:44,030 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 1 proven. 20 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-11-21 23:23:48,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:23:48,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 140 states and 177 transitions. [2022-11-21 23:23:48,955 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 177 transitions. [2022-11-21 23:23:48,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-21 23:23:48,955 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:23:48,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:23:49,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:23:49,008 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 17 conjunts are in the unsatisfiable core [2022-11-21 23:23:49,009 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:23:49,261 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 133 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:23:49,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:23:49,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 142 states and 179 transitions. [2022-11-21 23:23:49,601 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 179 transitions. [2022-11-21 23:23:49,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-11-21 23:23:49,602 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:23:49,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:23:49,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:23:49,664 INFO L263 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-21 23:23:49,665 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:23:49,799 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-11-21 23:23:50,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:23:50,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 147 states and 186 transitions. [2022-11-21 23:23:50,790 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 186 transitions. [2022-11-21 23:23:50,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-11-21 23:23:50,791 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:23:50,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:23:51,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:23:51,774 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 35 conjunts are in the unsatisfiable core [2022-11-21 23:23:51,775 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:23:52,069 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:23:52,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:23:52,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 150 states and 192 transitions. [2022-11-21 23:23:52,646 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 192 transitions. [2022-11-21 23:23:52,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-11-21 23:23:52,646 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:23:52,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:23:52,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:23:52,705 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-21 23:23:52,706 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:23:52,993 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 172 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:23:53,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:23:53,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 152 states and 194 transitions. [2022-11-21 23:23:53,353 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 194 transitions. [2022-11-21 23:23:53,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-11-21 23:23:53,354 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:23:53,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:23:53,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:23:53,402 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 20 conjunts are in the unsatisfiable core [2022-11-21 23:23:53,404 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:23:54,488 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 46 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:23:59,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:23:59,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 173 states and 222 transitions. [2022-11-21 23:23:59,545 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 222 transitions. [2022-11-21 23:23:59,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-11-21 23:23:59,545 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:23:59,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:24:00,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:24:00,826 INFO L263 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 41 conjunts are in the unsatisfiable core [2022-11-21 23:24:00,828 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:24:01,499 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 0 proven. 198 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:24:02,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:24:02,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 176 states and 229 transitions. [2022-11-21 23:24:02,392 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 229 transitions. [2022-11-21 23:24:02,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-11-21 23:24:02,393 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:24:02,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:24:02,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:24:02,446 INFO L263 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 21 conjunts are in the unsatisfiable core [2022-11-21 23:24:02,447 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:24:02,800 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 216 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:24:03,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:24:03,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 178 states and 231 transitions. [2022-11-21 23:24:03,286 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 231 transitions. [2022-11-21 23:24:03,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-21 23:24:03,287 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:24:03,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:24:03,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:24:03,341 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-21 23:24:03,342 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:24:03,498 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-11-21 23:24:04,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:24:04,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 183 states and 239 transitions. [2022-11-21 23:24:04,764 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 239 transitions. [2022-11-21 23:24:04,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-11-21 23:24:04,765 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:24:04,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:24:06,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:24:06,391 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 43 conjunts are in the unsatisfiable core [2022-11-21 23:24:06,392 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:24:06,749 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 0 proven. 245 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:24:07,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:24:07,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 186 states and 246 transitions. [2022-11-21 23:24:07,510 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 246 transitions. [2022-11-21 23:24:07,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-11-21 23:24:07,510 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:24:07,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:24:07,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:24:07,570 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 23 conjunts are in the unsatisfiable core [2022-11-21 23:24:07,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:24:07,957 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 265 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:24:08,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:24:08,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 188 states and 248 transitions. [2022-11-21 23:24:08,413 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 248 transitions. [2022-11-21 23:24:08,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-11-21 23:24:08,414 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:24:08,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:24:08,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:24:08,472 INFO L263 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 24 conjunts are in the unsatisfiable core [2022-11-21 23:24:08,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:24:10,242 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 70 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:24:17,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:24:17,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 214 states and 282 transitions. [2022-11-21 23:24:17,831 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 282 transitions. [2022-11-21 23:24:17,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-11-21 23:24:17,832 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:24:17,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:24:22,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:24:22,141 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 47 conjunts are in the unsatisfiable core [2022-11-21 23:24:22,142 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:24:22,606 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 0 proven. 297 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:24:23,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:24:23,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 217 states and 290 transitions. [2022-11-21 23:24:23,515 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 290 transitions. [2022-11-21 23:24:23,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-11-21 23:24:23,516 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:24:23,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:24:23,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:24:23,586 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 25 conjunts are in the unsatisfiable core [2022-11-21 23:24:23,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:24:24,014 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 0 proven. 319 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:24:24,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:24:24,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 219 states and 292 transitions. [2022-11-21 23:24:24,621 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 292 transitions. [2022-11-21 23:24:24,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-11-21 23:24:24,622 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:24:24,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:24:24,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:24:24,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-21 23:24:24,692 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:24:24,891 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2022-11-21 23:24:26,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:24:26,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 224 states and 301 transitions. [2022-11-21 23:24:26,456 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 301 transitions. [2022-11-21 23:24:26,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-11-21 23:24:26,457 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:24:26,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:24:30,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:24:30,196 INFO L263 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 51 conjunts are in the unsatisfiable core [2022-11-21 23:24:30,197 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:24:30,623 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 0 proven. 354 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:24:31,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:24:31,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 227 states and 309 transitions. [2022-11-21 23:24:31,650 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 309 transitions. [2022-11-21 23:24:31,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-21 23:24:31,650 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:24:31,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:24:31,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:24:31,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 27 conjunts are in the unsatisfiable core [2022-11-21 23:24:31,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:24:32,164 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:24:32,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:24:32,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 229 states and 311 transitions. [2022-11-21 23:24:32,767 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 311 transitions. [2022-11-21 23:24:32,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-11-21 23:24:32,768 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:24:32,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:24:32,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:24:32,839 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 28 conjunts are in the unsatisfiable core [2022-11-21 23:24:32,841 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:24:35,447 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 99 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:24:46,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:24:46,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 260 states and 351 transitions. [2022-11-21 23:24:46,288 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 351 transitions. [2022-11-21 23:24:46,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-11-21 23:24:46,291 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:24:46,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:24:51,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:24:51,050 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 55 conjunts are in the unsatisfiable core [2022-11-21 23:24:51,052 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:24:51,530 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 0 proven. 416 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:24:52,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:24:52,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 263 states and 360 transitions. [2022-11-21 23:24:52,803 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 360 transitions. [2022-11-21 23:24:52,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-11-21 23:24:52,804 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:24:52,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:24:52,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:24:52,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 29 conjunts are in the unsatisfiable core [2022-11-21 23:24:52,874 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:24:53,378 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 0 proven. 442 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:24:54,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:24:54,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 265 states and 362 transitions. [2022-11-21 23:24:54,144 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 362 transitions. [2022-11-21 23:24:54,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-11-21 23:24:54,144 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:24:54,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:24:54,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:24:54,226 INFO L263 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 15 conjunts are in the unsatisfiable core [2022-11-21 23:24:54,228 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:24:54,511 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-11-21 23:24:56,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:24:56,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 270 states and 372 transitions. [2022-11-21 23:24:56,436 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 372 transitions. [2022-11-21 23:24:56,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-11-21 23:24:56,437 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:24:56,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:25:04,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:25:04,425 INFO L263 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 59 conjunts are in the unsatisfiable core [2022-11-21 23:25:04,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:25:04,924 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 0 proven. 483 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:25:06,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:25:06,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 273 states and 381 transitions. [2022-11-21 23:25:06,202 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 381 transitions. [2022-11-21 23:25:06,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-11-21 23:25:06,203 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:25:06,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:25:06,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:25:06,276 INFO L263 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 31 conjunts are in the unsatisfiable core [2022-11-21 23:25:06,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:25:06,869 INFO L134 CoverageAnalysis]: Checked inductivity of 511 backedges. 0 proven. 511 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:25:07,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:25:07,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 275 states and 383 transitions. [2022-11-21 23:25:07,607 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 383 transitions. [2022-11-21 23:25:07,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-11-21 23:25:07,607 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:25:07,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:25:07,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:25:07,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 32 conjunts are in the unsatisfiable core [2022-11-21 23:25:07,683 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:25:11,248 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 133 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:25:26,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:25:26,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 311 states and 429 transitions. [2022-11-21 23:25:26,065 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 429 transitions. [2022-11-21 23:25:26,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-11-21 23:25:26,066 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:25:26,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:25:36,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2022-11-21 23:25:36,164 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 23:25:36,168 INFO L158 Benchmark]: Toolchain (without parser) took 128194.01ms. Allocated memory was 134.2MB in the beginning and 627.0MB in the end (delta: 492.8MB). Free memory was 91.0MB in the beginning and 472.2MB in the end (delta: -381.2MB). Peak memory consumption was 114.0MB. Max. memory is 16.1GB. [2022-11-21 23:25:36,168 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 96.5MB. Free memory is still 49.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:25:36,168 INFO L158 Benchmark]: CACSL2BoogieTranslator took 235.31ms. Allocated memory is still 134.2MB. Free memory was 90.7MB in the beginning and 80.5MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-21 23:25:36,169 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.91ms. Allocated memory is still 134.2MB. Free memory was 80.5MB in the beginning and 78.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:25:36,169 INFO L158 Benchmark]: Boogie Preprocessor took 27.47ms. Allocated memory is still 134.2MB. Free memory was 78.9MB in the beginning and 77.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:25:36,169 INFO L158 Benchmark]: RCFGBuilder took 347.68ms. Allocated memory is still 134.2MB. Free memory was 77.6MB in the beginning and 64.0MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-21 23:25:36,170 INFO L158 Benchmark]: CodeCheck took 127540.62ms. Allocated memory was 134.2MB in the beginning and 627.0MB in the end (delta: 492.8MB). Free memory was 64.0MB in the beginning and 472.2MB in the end (delta: -408.2MB). Peak memory consumption was 86.7MB. Max. memory is 16.1GB. [2022-11-21 23:25:36,176 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 0.28ms. Allocated memory is still 96.5MB. Free memory is still 49.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 235.31ms. Allocated memory is still 134.2MB. Free memory was 90.7MB in the beginning and 80.5MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.91ms. Allocated memory is still 134.2MB. Free memory was 80.5MB in the beginning and 78.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.47ms. Allocated memory is still 134.2MB. Free memory was 78.9MB in the beginning and 77.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 347.68ms. Allocated memory is still 134.2MB. Free memory was 77.6MB in the beginning and 64.0MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 127540.62ms. Allocated memory was 134.2MB in the beginning and 627.0MB in the end (delta: 492.8MB). Free memory was 64.0MB in the beginning and 472.2MB in the end (delta: -408.2MB). Peak memory consumption was 86.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-21 23:25:36,215 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a2ba09c-001d-491d-a22a-ef91a270e348/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a2ba09c-001d-491d-a22a-ef91a270e348/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a2ba09c-001d-491d-a22a-ef91a270e348/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_4a2ba09c-001d-491d-a22a-ef91a270e348/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a2ba09c-001d-491d-a22a-ef91a270e348/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/array-tiling/poly1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a2ba09c-001d-491d-a22a-ef91a270e348/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a2ba09c-001d-491d-a22a-ef91a270e348/bin/ukojak-jW3SillKbg --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3116e607f032f81b099fa1792f5e25b70e1832d9d57f1b8b6500e90d2143faec --- 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 23:25:38,526 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:25:38,529 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:25:38,588 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:25:38,588 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:25:38,592 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:25:38,594 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:25:38,598 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:25:38,600 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:25:38,606 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:25:38,607 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:25:38,609 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:25:38,610 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:25:38,612 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:25:38,614 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:25:38,620 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:25:38,621 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:25:38,622 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:25:38,624 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:25:38,631 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:25:38,632 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:25:38,635 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:25:38,636 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:25:38,637 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:25:38,645 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:25:38,645 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:25:38,645 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:25:38,648 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:25:38,648 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:25:38,651 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:25:38,652 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:25:38,653 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:25:38,655 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:25:38,656 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:25:38,657 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:25:38,657 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:25:38,658 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:25:38,658 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:25:38,658 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:25:38,659 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:25:38,660 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:25:38,661 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a2ba09c-001d-491d-a22a-ef91a270e348/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2022-11-21 23:25:38,699 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:25:38,700 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:25:38,702 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:25:38,702 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:25:38,702 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:25:38,703 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:25:38,703 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:25:38,703 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 23:25:38,703 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 23:25:38,704 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 23:25:38,705 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:25:38,705 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:25:38,705 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:25:38,705 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:25:38,705 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-21 23:25:38,706 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-21 23:25:38,706 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 23:25:38,706 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-21 23:25:38,706 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 23:25:38,706 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:25:38,707 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:25:38,707 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:25:38,707 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:25:38,707 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:25:38,708 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:25:38,708 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:25:38,708 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:25:38,708 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:25:38,708 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:25:38,709 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-21 23:25:38,709 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-21 23:25:38,709 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:25:38,709 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-21 23:25:38,710 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-21 23:25:38,710 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_4a2ba09c-001d-491d-a22a-ef91a270e348/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a2ba09c-001d-491d-a22a-ef91a270e348/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3116e607f032f81b099fa1792f5e25b70e1832d9d57f1b8b6500e90d2143faec [2022-11-21 23:25:39,098 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:25:39,121 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:25:39,123 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:25:39,125 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:25:39,125 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:25:39,126 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a2ba09c-001d-491d-a22a-ef91a270e348/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/array-tiling/poly1.c [2022-11-21 23:25:42,185 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:25:42,411 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:25:42,412 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a2ba09c-001d-491d-a22a-ef91a270e348/sv-benchmarks/c/array-tiling/poly1.c [2022-11-21 23:25:42,418 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a2ba09c-001d-491d-a22a-ef91a270e348/bin/ukojak-jW3SillKbg/data/55abd380d/cb353033f99148aaae3bb178be6c24ea/FLAG77836483f [2022-11-21 23:25:42,438 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a2ba09c-001d-491d-a22a-ef91a270e348/bin/ukojak-jW3SillKbg/data/55abd380d/cb353033f99148aaae3bb178be6c24ea [2022-11-21 23:25:42,440 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:25:42,442 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:25:42,443 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:25:42,443 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:25:42,446 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:25:42,447 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:25:42" (1/1) ... [2022-11-21 23:25:42,448 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ab27103 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:25:42, skipping insertion in model container [2022-11-21 23:25:42,448 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:25:42" (1/1) ... [2022-11-21 23:25:42,456 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:25:42,476 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:25:42,614 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_4a2ba09c-001d-491d-a22a-ef91a270e348/sv-benchmarks/c/array-tiling/poly1.c[396,409] [2022-11-21 23:25:42,632 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:25:42,652 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 23:25:42,670 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_4a2ba09c-001d-491d-a22a-ef91a270e348/sv-benchmarks/c/array-tiling/poly1.c[396,409] [2022-11-21 23:25:42,676 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:25:42,691 INFO L208 MainTranslator]: Completed translation [2022-11-21 23:25:42,691 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:25:42 WrapperNode [2022-11-21 23:25:42,691 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 23:25:42,693 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 23:25:42,693 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 23:25:42,693 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 23:25:42,700 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:25:42" (1/1) ... [2022-11-21 23:25:42,709 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:25:42" (1/1) ... [2022-11-21 23:25:42,728 INFO L138 Inliner]: procedures = 18, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 62 [2022-11-21 23:25:42,729 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 23:25:42,729 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 23:25:42,729 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 23:25:42,730 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 23:25:42,739 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:25:42" (1/1) ... [2022-11-21 23:25:42,739 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:25:42" (1/1) ... [2022-11-21 23:25:42,742 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:25:42" (1/1) ... [2022-11-21 23:25:42,742 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:25:42" (1/1) ... [2022-11-21 23:25:42,750 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:25:42" (1/1) ... [2022-11-21 23:25:42,753 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:25:42" (1/1) ... [2022-11-21 23:25:42,755 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:25:42" (1/1) ... [2022-11-21 23:25:42,756 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:25:42" (1/1) ... [2022-11-21 23:25:42,758 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 23:25:42,759 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 23:25:42,759 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 23:25:42,759 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 23:25:42,760 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:25:42" (1/1) ... [2022-11-21 23:25:42,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:25:42,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a2ba09c-001d-491d-a22a-ef91a270e348/bin/ukojak-jW3SillKbg/z3 [2022-11-21 23:25:42,794 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a2ba09c-001d-491d-a22a-ef91a270e348/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 23:25:42,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a2ba09c-001d-491d-a22a-ef91a270e348/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 23:25:42,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 23:25:42,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-21 23:25:42,851 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-21 23:25:42,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-21 23:25:42,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 23:25:42,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 23:25:42,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-11-21 23:25:42,956 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 23:25:42,960 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 23:26:18,915 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 23:26:18,971 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 23:26:18,974 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-21 23:26:18,977 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:26:18 BoogieIcfgContainer [2022-11-21 23:26:18,977 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 23:26:18,979 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 23:26:18,979 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 23:26:18,988 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 23:26:18,989 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:26:18" (1/1) ... [2022-11-21 23:26:18,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 23:26:19,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:26:19,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 22 states and 24 transitions. [2022-11-21 23:26:19,070 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2022-11-21 23:26:19,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-21 23:26:19,073 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:26:19,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:26:19,111 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 23:26:19,116 INFO L158 Benchmark]: Toolchain (without parser) took 36673.12ms. Allocated memory is still 73.4MB. Free memory was 49.7MB in the beginning and 37.0MB in the end (delta: 12.8MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. [2022-11-21 23:26:19,116 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 73.4MB. Free memory is still 50.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:26:19,117 INFO L158 Benchmark]: CACSL2BoogieTranslator took 248.69ms. Allocated memory is still 73.4MB. Free memory was 49.5MB in the beginning and 38.5MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-21 23:26:19,118 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.21ms. Allocated memory is still 73.4MB. Free memory was 38.4MB in the beginning and 36.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:26:19,118 INFO L158 Benchmark]: Boogie Preprocessor took 28.87ms. Allocated memory is still 73.4MB. Free memory was 36.7MB in the beginning and 35.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:26:19,119 INFO L158 Benchmark]: RCFGBuilder took 36218.40ms. Allocated memory is still 73.4MB. Free memory was 35.1MB in the beginning and 43.0MB in the end (delta: -7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-21 23:26:19,120 INFO L158 Benchmark]: CodeCheck took 135.83ms. Allocated memory is still 73.4MB. Free memory was 43.0MB in the beginning and 37.0MB in the end (delta: 6.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-21 23:26:19,123 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 0.32ms. Allocated memory is still 73.4MB. Free memory is still 50.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 248.69ms. Allocated memory is still 73.4MB. Free memory was 49.5MB in the beginning and 38.5MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.21ms. Allocated memory is still 73.4MB. Free memory was 38.4MB in the beginning and 36.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.87ms. Allocated memory is still 73.4MB. Free memory was 36.7MB in the beginning and 35.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 36218.40ms. Allocated memory is still 73.4MB. Free memory was 35.1MB in the beginning and 43.0MB in the end (delta: -7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 135.83ms. Allocated memory is still 73.4MB. Free memory was 43.0MB in the beginning and 37.0MB in the end (delta: 6.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-21 23:26:19,163 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a2ba09c-001d-491d-a22a-ef91a270e348/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, 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