./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-new/gauss_sum.i.p+cfa-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356fd099-7146-4540-9541-5edc416a6738/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356fd099-7146-4540-9541-5edc416a6738/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356fd099-7146-4540-9541-5edc416a6738/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356fd099-7146-4540-9541-5edc416a6738/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-new/gauss_sum.i.p+cfa-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356fd099-7146-4540-9541-5edc416a6738/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356fd099-7146-4540-9541-5edc416a6738/bin/ukojak-92XMlrwhuB --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cea92a885059765321ed7cf859cc3b638b98fdf9848e92fde0851dbffef1cf19 --- 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-dbf71c6-m [2022-10-17 16:47:13,458 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:47:13,461 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:47:13,506 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:47:13,507 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:47:13,511 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:47:13,514 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:47:13,517 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:47:13,520 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:47:13,527 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:47:13,529 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:47:13,531 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:47:13,532 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:47:13,535 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:47:13,538 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:47:13,541 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:47:13,543 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:47:13,544 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:47:13,547 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:47:13,555 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:47:13,557 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:47:13,562 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:47:13,566 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:47:13,568 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:47:13,579 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:47:13,579 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:47:13,580 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:47:13,582 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:47:13,582 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:47:13,584 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:47:13,585 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:47:13,586 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:47:13,589 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:47:13,590 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:47:13,593 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:47:13,594 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:47:13,595 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:47:13,595 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:47:13,595 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:47:13,596 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:47:13,597 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:47:13,598 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356fd099-7146-4540-9541-5edc416a6738/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:47:13,650 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:47:13,653 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:47:13,655 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:47:13,655 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:47:13,656 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:47:13,656 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:47:13,657 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:47:13,657 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:47:13,657 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:47:13,657 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:47:13,659 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:47:13,659 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:47:13,659 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:47:13,659 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:47:13,660 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:47:13,660 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:47:13,660 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:47:13,661 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:47:13,661 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:47:13,661 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:47:13,661 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:47:13,662 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:47:13,662 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:47:13,662 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:47:13,663 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:47:13,663 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:47:13,663 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:47:13,663 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:47:13,664 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_356fd099-7146-4540-9541-5edc416a6738/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356fd099-7146-4540-9541-5edc416a6738/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cea92a885059765321ed7cf859cc3b638b98fdf9848e92fde0851dbffef1cf19 [2022-10-17 16:47:13,971 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:47:13,994 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:47:13,997 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:47:13,999 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:47:13,999 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:47:14,001 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356fd099-7146-4540-9541-5edc416a6738/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/loop-new/gauss_sum.i.p+cfa-reducer.c [2022-10-17 16:47:14,072 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356fd099-7146-4540-9541-5edc416a6738/bin/ukojak-92XMlrwhuB/data/bbe2dc5ea/ede50418993e44c5b42b55d4f0501114/FLAG433a9f9bc [2022-10-17 16:47:14,591 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:47:14,593 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356fd099-7146-4540-9541-5edc416a6738/sv-benchmarks/c/loop-new/gauss_sum.i.p+cfa-reducer.c [2022-10-17 16:47:14,602 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356fd099-7146-4540-9541-5edc416a6738/bin/ukojak-92XMlrwhuB/data/bbe2dc5ea/ede50418993e44c5b42b55d4f0501114/FLAG433a9f9bc [2022-10-17 16:47:14,937 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356fd099-7146-4540-9541-5edc416a6738/bin/ukojak-92XMlrwhuB/data/bbe2dc5ea/ede50418993e44c5b42b55d4f0501114 [2022-10-17 16:47:14,942 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:47:14,944 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:47:14,948 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:47:14,948 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:47:14,952 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:47:14,953 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:47:14" (1/1) ... [2022-10-17 16:47:14,956 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41a94a6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:14, skipping insertion in model container [2022-10-17 16:47:14,956 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:47:14" (1/1) ... [2022-10-17 16:47:14,965 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:47:14,987 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:47:15,198 WARN L230 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_356fd099-7146-4540-9541-5edc416a6738/sv-benchmarks/c/loop-new/gauss_sum.i.p+cfa-reducer.c[1014,1027] [2022-10-17 16:47:15,202 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:47:15,212 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:47:15,231 WARN L230 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_356fd099-7146-4540-9541-5edc416a6738/sv-benchmarks/c/loop-new/gauss_sum.i.p+cfa-reducer.c[1014,1027] [2022-10-17 16:47:15,232 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:47:15,246 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:47:15,247 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:15 WrapperNode [2022-10-17 16:47:15,247 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:47:15,249 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:47:15,249 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:47:15,249 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:47:15,257 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:15" (1/1) ... [2022-10-17 16:47:15,264 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:15" (1/1) ... [2022-10-17 16:47:15,282 INFO L138 Inliner]: procedures = 14, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 42 [2022-10-17 16:47:15,282 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:47:15,283 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:47:15,283 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:47:15,283 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:47:15,293 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:15" (1/1) ... [2022-10-17 16:47:15,293 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:15" (1/1) ... [2022-10-17 16:47:15,294 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:15" (1/1) ... [2022-10-17 16:47:15,294 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:15" (1/1) ... [2022-10-17 16:47:15,297 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:15" (1/1) ... [2022-10-17 16:47:15,299 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:15" (1/1) ... [2022-10-17 16:47:15,300 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:15" (1/1) ... [2022-10-17 16:47:15,301 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:15" (1/1) ... [2022-10-17 16:47:15,303 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:47:15,304 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:47:15,304 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:47:15,304 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:47:15,305 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:15" (1/1) ... [2022-10-17 16:47:15,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:47:15,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356fd099-7146-4540-9541-5edc416a6738/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:47:15,338 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356fd099-7146-4540-9541-5edc416a6738/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:47:15,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356fd099-7146-4540-9541-5edc416a6738/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:47:15,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:47:15,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:47:15,397 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:47:15,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:47:15,469 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:47:15,471 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:47:15,680 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:47:15,710 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:47:15,710 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 16:47:15,713 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:47:15 BoogieIcfgContainer [2022-10-17 16:47:15,713 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:47:15,714 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:47:15,714 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:47:15,739 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:47:15,739 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:47:15" (1/1) ... [2022-10-17 16:47:15,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:47:15,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:15,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 9 states and 12 transitions. [2022-10-17 16:47:15,851 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 12 transitions. [2022-10-17 16:47:15,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:47:15,853 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:15,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:16,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:16,052 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 16:47:16,056 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:47:16,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:47:16,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:16,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2022-10-17 16:47:16,245 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2022-10-17 16:47:16,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:47:16,246 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:16,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:16,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:16,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 12 conjunts are in the unsatisfiable core [2022-10-17 16:47:16,297 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:47:16,611 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:47:16,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:16,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2022-10-17 16:47:16,910 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2022-10-17 16:47:16,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:47:16,911 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:16,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:16,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:16,981 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 16 conjunts are in the unsatisfiable core [2022-10-17 16:47:16,983 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:47:17,174 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:47:17,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:17,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2022-10-17 16:47:17,479 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2022-10-17 16:47:17,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:47:17,480 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:17,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:17,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:17,550 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 20 conjunts are in the unsatisfiable core [2022-10-17 16:47:17,552 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:47:17,732 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:47:18,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:18,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 14 states and 21 transitions. [2022-10-17 16:47:18,214 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 21 transitions. [2022-10-17 16:47:18,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:47:18,217 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:18,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:18,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:18,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 24 conjunts are in the unsatisfiable core [2022-10-17 16:47:18,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:47:18,432 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:47:19,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:19,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 16 states and 25 transitions. [2022-10-17 16:47:19,003 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 25 transitions. [2022-10-17 16:47:19,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:47:19,004 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:19,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:19,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:19,047 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 28 conjunts are in the unsatisfiable core [2022-10-17 16:47:19,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:47:19,309 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:47:19,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:19,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 18 states and 29 transitions. [2022-10-17 16:47:19,918 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 29 transitions. [2022-10-17 16:47:19,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:47:19,919 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:19,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:19,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:19,954 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 32 conjunts are in the unsatisfiable core [2022-10-17 16:47:19,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:47:20,199 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:47:20,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:20,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 20 states and 33 transitions. [2022-10-17 16:47:20,889 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 33 transitions. [2022-10-17 16:47:20,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:47:20,890 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:20,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:20,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:20,924 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 36 conjunts are in the unsatisfiable core [2022-10-17 16:47:20,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:47:21,145 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:47:21,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:21,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 22 states and 37 transitions. [2022-10-17 16:47:21,823 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 37 transitions. [2022-10-17 16:47:21,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:47:21,823 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:21,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:21,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:21,856 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 40 conjunts are in the unsatisfiable core [2022-10-17 16:47:21,858 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:47:22,150 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:47:22,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:22,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 41 transitions. [2022-10-17 16:47:22,925 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 41 transitions. [2022-10-17 16:47:22,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:47:22,926 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:22,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:22,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:22,972 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 44 conjunts are in the unsatisfiable core [2022-10-17 16:47:22,974 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:47:23,274 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:47:24,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:24,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 26 states and 45 transitions. [2022-10-17 16:47:24,184 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 45 transitions. [2022-10-17 16:47:24,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:47:24,185 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:24,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:24,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:24,232 WARN L261 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 48 conjunts are in the unsatisfiable core [2022-10-17 16:47:24,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:47:24,562 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:47:25,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:25,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 28 states and 49 transitions. [2022-10-17 16:47:25,535 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 49 transitions. [2022-10-17 16:47:25,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:47:25,536 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:25,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:25,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:25,572 WARN L261 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 52 conjunts are in the unsatisfiable core [2022-10-17 16:47:25,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:47:25,980 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:47:26,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:26,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 30 states and 53 transitions. [2022-10-17 16:47:26,905 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 53 transitions. [2022-10-17 16:47:26,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:47:26,906 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:26,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:26,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:26,940 WARN L261 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 56 conjunts are in the unsatisfiable core [2022-10-17 16:47:26,942 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:47:27,289 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:47:28,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:28,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 32 states and 57 transitions. [2022-10-17 16:47:28,320 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 57 transitions. [2022-10-17 16:47:28,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 16:47:28,322 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:28,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:28,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:28,361 WARN L261 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 60 conjunts are in the unsatisfiable core [2022-10-17 16:47:28,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:47:28,886 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:47:29,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:29,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 34 states and 61 transitions. [2022-10-17 16:47:29,929 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 61 transitions. [2022-10-17 16:47:29,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:47:29,930 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:29,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:29,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:29,973 WARN L261 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 64 conjunts are in the unsatisfiable core [2022-10-17 16:47:29,974 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:47:30,431 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:47:31,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:31,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 36 states and 65 transitions. [2022-10-17 16:47:31,579 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 65 transitions. [2022-10-17 16:47:31,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 16:47:31,580 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:31,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:31,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:31,621 WARN L261 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 69 conjunts are in the unsatisfiable core [2022-10-17 16:47:31,624 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:47:33,181 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:47:36,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:36,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 38 states and 69 transitions. [2022-10-17 16:47:36,126 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 69 transitions. [2022-10-17 16:47:36,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:47:36,126 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:36,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:36,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:36,182 WARN L261 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 72 conjunts are in the unsatisfiable core [2022-10-17 16:47:36,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:47:36,793 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:47:38,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:38,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 40 states and 73 transitions. [2022-10-17 16:47:38,528 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 73 transitions. [2022-10-17 16:47:38,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:47:38,529 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:38,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:38,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:38,573 WARN L261 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 76 conjunts are in the unsatisfiable core [2022-10-17 16:47:38,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:47:39,203 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:47:40,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:40,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 42 states and 77 transitions. [2022-10-17 16:47:40,791 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 77 transitions. [2022-10-17 16:47:40,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 16:47:40,792 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:40,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:40,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:40,832 WARN L261 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 80 conjunts are in the unsatisfiable core [2022-10-17 16:47:40,834 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:47:41,676 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:47:43,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:43,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 44 states and 81 transitions. [2022-10-17 16:47:43,348 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 81 transitions. [2022-10-17 16:47:43,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 16:47:43,349 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:43,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:43,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:43,402 WARN L261 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 84 conjunts are in the unsatisfiable core [2022-10-17 16:47:43,404 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:47:44,401 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:47:46,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:46,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 46 states and 85 transitions. [2022-10-17 16:47:46,236 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 85 transitions. [2022-10-17 16:47:46,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-17 16:47:46,237 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:46,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:46,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:46,304 WARN L261 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 88 conjunts are in the unsatisfiable core [2022-10-17 16:47:46,306 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:47:47,141 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.