./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/apache-get-tag.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c11daf23-81af-42d0-99ba-9d8050cf6055/bin/ukojak-CydTVMUXoH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c11daf23-81af-42d0-99ba-9d8050cf6055/bin/ukojak-CydTVMUXoH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c11daf23-81af-42d0-99ba-9d8050cf6055/bin/ukojak-CydTVMUXoH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c11daf23-81af-42d0-99ba-9d8050cf6055/bin/ukojak-CydTVMUXoH/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/apache-get-tag.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c11daf23-81af-42d0-99ba-9d8050cf6055/bin/ukojak-CydTVMUXoH/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c11daf23-81af-42d0-99ba-9d8050cf6055/bin/ukojak-CydTVMUXoH --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 ad8e21886f5f45a7c58400298498a881b4f628bf6fff913be81ab14cf250dd19 --- 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-e04fb08 [2022-11-16 07:39:24,747 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 07:39:24,751 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 07:39:24,796 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 07:39:24,799 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 07:39:24,805 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 07:39:24,808 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 07:39:24,812 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 07:39:24,819 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 07:39:24,825 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 07:39:24,827 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 07:39:24,830 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 07:39:24,831 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 07:39:24,834 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 07:39:24,836 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 07:39:24,839 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 07:39:24,841 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 07:39:24,843 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 07:39:24,845 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 07:39:24,854 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 07:39:24,857 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 07:39:24,859 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 07:39:24,863 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 07:39:24,864 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 07:39:24,871 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 07:39:24,872 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 07:39:24,872 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 07:39:24,873 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 07:39:24,874 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 07:39:24,875 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 07:39:24,875 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 07:39:24,876 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 07:39:24,877 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 07:39:24,878 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 07:39:24,886 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 07:39:24,888 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 07:39:24,889 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 07:39:24,889 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 07:39:24,889 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 07:39:24,891 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 07:39:24,892 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 07:39:24,893 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c11daf23-81af-42d0-99ba-9d8050cf6055/bin/ukojak-CydTVMUXoH/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-11-16 07:39:24,951 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 07:39:24,951 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 07:39:24,953 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 07:39:24,953 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-16 07:39:24,954 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 07:39:24,955 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 07:39:24,955 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 07:39:24,955 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 07:39:24,956 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 07:39:24,956 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 07:39:24,957 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 07:39:24,958 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 07:39:24,958 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 07:39:24,958 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 07:39:24,959 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 07:39:24,959 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 07:39:24,959 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 07:39:24,959 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 07:39:24,960 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-16 07:39:24,960 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-16 07:39:24,960 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 07:39:24,961 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-16 07:39:24,961 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 07:39:24,961 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 07:39:24,962 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 07:39:24,962 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-16 07:39:24,964 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 07:39:24,964 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 07:39:24,965 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_c11daf23-81af-42d0-99ba-9d8050cf6055/bin/ukojak-CydTVMUXoH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c11daf23-81af-42d0-99ba-9d8050cf6055/bin/ukojak-CydTVMUXoH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ad8e21886f5f45a7c58400298498a881b4f628bf6fff913be81ab14cf250dd19 [2022-11-16 07:39:25,318 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 07:39:25,369 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 07:39:25,375 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 07:39:25,377 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 07:39:25,380 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 07:39:25,382 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c11daf23-81af-42d0-99ba-9d8050cf6055/bin/ukojak-CydTVMUXoH/../../sv-benchmarks/c/loop-invgen/apache-get-tag.i [2022-11-16 07:39:25,477 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c11daf23-81af-42d0-99ba-9d8050cf6055/bin/ukojak-CydTVMUXoH/data/fb58f4326/e42664c1cee54af58fa42f0a9e5606d5/FLAGb76078f4e [2022-11-16 07:39:26,103 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 07:39:26,104 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c11daf23-81af-42d0-99ba-9d8050cf6055/sv-benchmarks/c/loop-invgen/apache-get-tag.i [2022-11-16 07:39:26,113 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c11daf23-81af-42d0-99ba-9d8050cf6055/bin/ukojak-CydTVMUXoH/data/fb58f4326/e42664c1cee54af58fa42f0a9e5606d5/FLAGb76078f4e [2022-11-16 07:39:26,448 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c11daf23-81af-42d0-99ba-9d8050cf6055/bin/ukojak-CydTVMUXoH/data/fb58f4326/e42664c1cee54af58fa42f0a9e5606d5 [2022-11-16 07:39:26,454 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 07:39:26,458 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 07:39:26,463 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 07:39:26,464 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 07:39:26,468 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 07:39:26,469 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:39:26" (1/1) ... [2022-11-16 07:39:26,472 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21a26e7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:39:26, skipping insertion in model container [2022-11-16 07:39:26,472 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:39:26" (1/1) ... [2022-11-16 07:39:26,482 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 07:39:26,509 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 07:39:26,768 WARN L229 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_c11daf23-81af-42d0-99ba-9d8050cf6055/sv-benchmarks/c/loop-invgen/apache-get-tag.i[893,906] [2022-11-16 07:39:26,788 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 07:39:26,800 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 07:39:26,832 WARN L229 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_c11daf23-81af-42d0-99ba-9d8050cf6055/sv-benchmarks/c/loop-invgen/apache-get-tag.i[893,906] [2022-11-16 07:39:26,841 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 07:39:26,856 INFO L208 MainTranslator]: Completed translation [2022-11-16 07:39:26,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:39:26 WrapperNode [2022-11-16 07:39:26,857 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 07:39:26,859 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 07:39:26,859 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 07:39:26,859 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 07:39:26,870 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:39:26" (1/1) ... [2022-11-16 07:39:26,879 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:39:26" (1/1) ... [2022-11-16 07:39:26,913 INFO L138 Inliner]: procedures = 16, calls = 22, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 83 [2022-11-16 07:39:26,915 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 07:39:26,916 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 07:39:26,916 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 07:39:26,916 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 07:39:26,926 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:39:26" (1/1) ... [2022-11-16 07:39:26,927 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:39:26" (1/1) ... [2022-11-16 07:39:26,928 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:39:26" (1/1) ... [2022-11-16 07:39:26,929 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:39:26" (1/1) ... [2022-11-16 07:39:26,933 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:39:26" (1/1) ... [2022-11-16 07:39:26,938 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:39:26" (1/1) ... [2022-11-16 07:39:26,939 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:39:26" (1/1) ... [2022-11-16 07:39:26,940 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:39:26" (1/1) ... [2022-11-16 07:39:26,942 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 07:39:26,943 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 07:39:26,944 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 07:39:26,944 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 07:39:26,945 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:39:26" (1/1) ... [2022-11-16 07:39:26,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-16 07:39:26,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c11daf23-81af-42d0-99ba-9d8050cf6055/bin/ukojak-CydTVMUXoH/z3 [2022-11-16 07:39:26,981 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c11daf23-81af-42d0-99ba-9d8050cf6055/bin/ukojak-CydTVMUXoH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-16 07:39:26,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c11daf23-81af-42d0-99ba-9d8050cf6055/bin/ukojak-CydTVMUXoH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-16 07:39:27,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 07:39:27,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 07:39:27,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 07:39:27,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 07:39:27,032 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-16 07:39:27,032 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-16 07:39:27,123 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 07:39:27,127 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 07:39:27,403 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 07:39:27,441 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 07:39:27,441 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-16 07:39:27,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 07:39:27 BoogieIcfgContainer [2022-11-16 07:39:27,445 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 07:39:27,446 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-16 07:39:27,446 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-16 07:39:27,467 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-16 07:39:27,467 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 07:39:27" (1/1) ... [2022-11-16 07:39:27,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 07:39:27,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:39:27,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 39 states and 64 transitions. [2022-11-16 07:39:27,613 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 64 transitions. [2022-11-16 07:39:27,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-16 07:39:27,616 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:39:27,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:39:27,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:39:27,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 07:39:27,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:39:27,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 39 states and 62 transitions. [2022-11-16 07:39:27,916 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 62 transitions. [2022-11-16 07:39:27,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-16 07:39:27,917 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:39:27,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:39:27,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:39:28,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 07:39:28,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:39:28,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 44 states and 83 transitions. [2022-11-16 07:39:28,269 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 83 transitions. [2022-11-16 07:39:28,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-16 07:39:28,275 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:39:28,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:39:28,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:39:28,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 07:39:28,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:39:28,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 46 states and 85 transitions. [2022-11-16 07:39:28,443 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 85 transitions. [2022-11-16 07:39:28,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-16 07:39:28,444 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:39:28,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:39:28,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:39:28,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 07:39:28,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:39:28,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 47 states and 85 transitions. [2022-11-16 07:39:28,683 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 85 transitions. [2022-11-16 07:39:28,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-16 07:39:28,684 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:39:28,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:39:28,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:39:28,954 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 07:39:29,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:39:29,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 49 states and 87 transitions. [2022-11-16 07:39:29,219 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 87 transitions. [2022-11-16 07:39:29,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-16 07:39:29,220 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:39:29,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:39:29,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:39:29,330 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 07:39:29,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:39:29,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 54 states and 97 transitions. [2022-11-16 07:39:29,595 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 97 transitions. [2022-11-16 07:39:29,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-16 07:39:29,596 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:39:29,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:39:29,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:39:29,745 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 07:39:29,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:39:29,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 56 states and 101 transitions. [2022-11-16 07:39:29,793 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 101 transitions. [2022-11-16 07:39:29,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-16 07:39:29,795 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:39:29,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:39:29,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:39:29,826 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-16 07:39:29,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:39:29,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 56 states and 100 transitions. [2022-11-16 07:39:29,857 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 100 transitions. [2022-11-16 07:39:29,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-16 07:39:29,859 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:39:29,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:39:29,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:39:29,984 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-16 07:39:30,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:39:30,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 60 states and 109 transitions. [2022-11-16 07:39:30,104 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 109 transitions. [2022-11-16 07:39:30,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-16 07:39:30,106 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:39:30,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:39:30,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:39:30,170 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-16 07:39:30,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:39:30,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 61 states and 112 transitions. [2022-11-16 07:39:30,219 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 112 transitions. [2022-11-16 07:39:30,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-16 07:39:30,225 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:39:30,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:39:30,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:39:30,349 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-16 07:39:30,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:39:30,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 64 states and 120 transitions. [2022-11-16 07:39:30,378 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 120 transitions. [2022-11-16 07:39:30,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-16 07:39:30,382 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:39:30,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:39:30,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:39:30,503 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-16 07:39:30,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:39:30,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 65 states and 122 transitions. [2022-11-16 07:39:30,550 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 122 transitions. [2022-11-16 07:39:30,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-16 07:39:30,552 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:39:30,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:39:30,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:39:30,664 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-16 07:39:30,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:39:30,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 66 states and 123 transitions. [2022-11-16 07:39:30,684 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 123 transitions. [2022-11-16 07:39:30,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-16 07:39:30,689 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:39:30,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:39:30,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:39:30,802 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-16 07:39:30,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:39:30,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 67 states and 125 transitions. [2022-11-16 07:39:30,820 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 125 transitions. [2022-11-16 07:39:30,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-16 07:39:30,821 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:39:30,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:39:30,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:39:30,882 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-16 07:39:30,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:39:30,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 68 states and 126 transitions. [2022-11-16 07:39:30,986 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 126 transitions. [2022-11-16 07:39:30,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-16 07:39:30,987 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:39:30,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:39:31,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:39:31,241 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-16 07:39:31,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:39:31,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 72 states and 133 transitions. [2022-11-16 07:39:31,921 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 133 transitions. [2022-11-16 07:39:31,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-16 07:39:31,922 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:39:31,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:39:31,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:39:32,092 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-16 07:39:32,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:39:32,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 76 states and 139 transitions. [2022-11-16 07:39:32,327 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 139 transitions. [2022-11-16 07:39:32,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-16 07:39:32,329 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:39:32,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:39:32,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:39:32,503 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-16 07:39:32,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:39:32,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 83 states and 155 transitions. [2022-11-16 07:39:32,796 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 155 transitions. [2022-11-16 07:39:32,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-16 07:39:32,797 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:39:32,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:39:32,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:39:32,963 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-16 07:39:33,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:39:33,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 85 states and 160 transitions. [2022-11-16 07:39:33,037 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 160 transitions. [2022-11-16 07:39:33,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-16 07:39:33,038 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:39:33,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:39:33,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:39:33,201 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-16 07:39:33,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:39:33,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 86 states and 161 transitions. [2022-11-16 07:39:33,255 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 161 transitions. [2022-11-16 07:39:33,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-16 07:39:33,256 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:39:33,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:39:33,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:39:33,443 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-16 07:39:33,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:39:33,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 88 states and 166 transitions. [2022-11-16 07:39:33,504 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 166 transitions. [2022-11-16 07:39:33,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-16 07:39:33,507 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:39:33,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:39:33,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:39:33,605 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-16 07:39:33,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:39:33,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 91 states and 171 transitions. [2022-11-16 07:39:33,689 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 171 transitions. [2022-11-16 07:39:33,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-16 07:39:33,693 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:39:33,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:39:33,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:39:33,787 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-16 07:39:34,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:39:34,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 94 states and 177 transitions. [2022-11-16 07:39:34,242 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 177 transitions. [2022-11-16 07:39:34,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-16 07:39:34,244 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:39:34,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:39:34,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:39:34,344 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-16 07:39:34,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:39:34,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 98 states and 184 transitions. [2022-11-16 07:39:34,634 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 184 transitions. [2022-11-16 07:39:34,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-16 07:39:34,636 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:39:34,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:39:34,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:39:34,711 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-11-16 07:39:34,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:39:34,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 101 states and 190 transitions. [2022-11-16 07:39:34,876 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 190 transitions. [2022-11-16 07:39:34,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-16 07:39:34,877 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:39:34,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:39:34,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:39:34,936 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-11-16 07:39:34,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:39:34,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 102 states and 192 transitions. [2022-11-16 07:39:34,978 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 192 transitions. [2022-11-16 07:39:34,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-16 07:39:34,979 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:39:34,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:39:34,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:39:35,039 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 11 proven. 9 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-16 07:39:35,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:39:35,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 103 states and 193 transitions. [2022-11-16 07:39:35,242 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 193 transitions. [2022-11-16 07:39:35,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-16 07:39:35,243 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:39:35,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:39:35,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:39:35,303 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-16 07:39:35,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:39:35,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 104 states and 194 transitions. [2022-11-16 07:39:35,412 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 194 transitions. [2022-11-16 07:39:35,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-11-16 07:39:35,413 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:39:35,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:39:35,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:39:35,479 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-16 07:39:35,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:39:35,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 106 states and 198 transitions. [2022-11-16 07:39:35,557 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 198 transitions. [2022-11-16 07:39:35,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-16 07:39:35,558 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:39:35,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:39:35,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:39:35,607 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-16 07:39:35,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:39:35,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 106 states and 197 transitions. [2022-11-16 07:39:35,673 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 197 transitions. [2022-11-16 07:39:35,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-16 07:39:35,674 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:39:35,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:39:35,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:39:35,928 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-11-16 07:39:36,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:39:36,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 110 states and 205 transitions. [2022-11-16 07:39:36,898 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 205 transitions. [2022-11-16 07:39:36,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-11-16 07:39:36,899 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:39:36,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:39:36,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:39:37,037 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 27 proven. 5 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-11-16 07:39:37,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:39:37,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 113 states and 209 transitions. [2022-11-16 07:39:37,369 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 209 transitions. [2022-11-16 07:39:37,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-11-16 07:39:37,370 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:39:37,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:39:37,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:39:37,508 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 29 proven. 7 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-11-16 07:39:37,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:39:37,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 116 states and 210 transitions. [2022-11-16 07:39:37,796 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 210 transitions. [2022-11-16 07:39:37,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-16 07:39:37,797 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:39:37,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:39:37,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:39:37,940 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-11-16 07:39:38,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:39:38,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 121 states and 218 transitions. [2022-11-16 07:39:38,215 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 218 transitions. [2022-11-16 07:39:38,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-16 07:39:38,216 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:39:38,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:39:38,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:39:38,388 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-11-16 07:39:38,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:39:38,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 123 states and 221 transitions. [2022-11-16 07:39:38,483 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 221 transitions. [2022-11-16 07:39:38,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-16 07:39:38,484 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:39:38,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:39:38,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:39:38,624 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-11-16 07:39:38,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:39:38,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 124 states and 222 transitions. [2022-11-16 07:39:38,689 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 222 transitions. [2022-11-16 07:39:38,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-16 07:39:38,695 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:39:38,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:39:38,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:39:38,849 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-11-16 07:39:38,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:39:38,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 126 states and 225 transitions. [2022-11-16 07:39:38,933 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 225 transitions. [2022-11-16 07:39:38,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-11-16 07:39:38,934 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:39:38,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:39:38,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:39:39,058 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-11-16 07:39:39,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:39:39,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 129 states and 231 transitions. [2022-11-16 07:39:39,133 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 231 transitions. [2022-11-16 07:39:39,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-11-16 07:39:39,137 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:39:39,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:39:39,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:39:39,249 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 20 proven. 7 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-11-16 07:39:39,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:39:39,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 127 states and 226 transitions. [2022-11-16 07:39:39,280 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 226 transitions. [2022-11-16 07:39:39,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-11-16 07:39:39,281 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:39:39,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:39:39,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:39:39,354 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2022-11-16 07:39:39,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:39:39,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 128 states and 228 transitions. [2022-11-16 07:39:39,604 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 228 transitions. [2022-11-16 07:39:39,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-11-16 07:39:39,605 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:39:39,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:39:39,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:39:39,702 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2022-11-16 07:39:39,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:39:39,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 129 states and 230 transitions. [2022-11-16 07:39:39,764 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 230 transitions. [2022-11-16 07:39:39,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-11-16 07:39:39,766 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:39:39,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:39:39,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:39:39,904 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-16 07:39:40,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:39:40,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 130 states and 231 transitions. [2022-11-16 07:39:40,126 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 231 transitions. [2022-11-16 07:39:40,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-11-16 07:39:40,127 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:39:40,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:39:40,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:39:40,191 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-11-16 07:39:40,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:39:40,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 129 states and 228 transitions. [2022-11-16 07:39:40,394 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 228 transitions. [2022-11-16 07:39:40,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-11-16 07:39:40,395 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:39:40,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:39:40,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:39:40,457 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-11-16 07:39:40,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:39:40,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 123 states and 218 transitions. [2022-11-16 07:39:40,560 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 218 transitions. [2022-11-16 07:39:40,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-11-16 07:39:40,561 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:39:40,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:39:40,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:39:40,635 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-16 07:39:40,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:39:40,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 124 states and 219 transitions. [2022-11-16 07:39:40,726 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 219 transitions. [2022-11-16 07:39:40,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-11-16 07:39:40,728 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:39:40,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:39:40,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:39:40,804 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 24 proven. 15 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-16 07:39:40,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:39:41,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 118 states and 210 transitions. [2022-11-16 07:39:41,001 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 210 transitions. [2022-11-16 07:39:41,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-16 07:39:41,002 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:39:41,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:39:41,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:39:41,075 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-16 07:39:41,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:39:41,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 91 states and 147 transitions. [2022-11-16 07:39:41,167 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 147 transitions. [2022-11-16 07:39:41,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-11-16 07:39:41,168 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:39:41,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:39:41,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:39:41,455 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 23 proven. 10 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2022-11-16 07:39:41,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:39:41,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 89 states and 144 transitions. [2022-11-16 07:39:41,744 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 144 transitions. [2022-11-16 07:39:41,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-11-16 07:39:41,747 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:39:41,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:39:41,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:39:41,954 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 24 proven. 14 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-11-16 07:39:42,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:39:42,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 91 states and 148 transitions. [2022-11-16 07:39:42,007 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 148 transitions. [2022-11-16 07:39:42,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-11-16 07:39:42,009 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:39:42,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:39:42,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:39:42,239 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 42 proven. 12 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2022-11-16 07:39:42,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:39:42,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 83 states and 136 transitions. [2022-11-16 07:39:42,297 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 136 transitions. [2022-11-16 07:39:42,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-11-16 07:39:42,298 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:39:42,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:39:42,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:39:42,550 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 32 proven. 10 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2022-11-16 07:39:42,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:39:42,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 82 states and 134 transitions. [2022-11-16 07:39:42,606 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 134 transitions. [2022-11-16 07:39:42,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-16 07:39:42,608 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:39:42,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:39:42,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:39:42,844 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 23 proven. 13 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2022-11-16 07:39:42,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:39:42,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 64 states and 108 transitions. [2022-11-16 07:39:42,877 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 108 transitions. [2022-11-16 07:39:42,878 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-16 07:39:42,878 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 53 iterations. [2022-11-16 07:39:42,894 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-11-16 07:39:43,299 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-16 07:39:43,304 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-16 07:39:43,305 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-16 07:39:43,305 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 16.11 07:39:43 ImpRootNode [2022-11-16 07:39:43,305 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-16 07:39:43,306 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 07:39:43,306 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 07:39:43,306 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 07:39:43,307 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 07:39:27" (3/4) ... [2022-11-16 07:39:43,311 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-16 07:39:43,318 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2022-11-16 07:39:43,324 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2022-11-16 07:39:43,324 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-16 07:39:43,324 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-16 07:39:43,325 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 07:39:43,390 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c11daf23-81af-42d0-99ba-9d8050cf6055/bin/ukojak-CydTVMUXoH/witness.graphml [2022-11-16 07:39:43,390 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 07:39:43,391 INFO L158 Benchmark]: Toolchain (without parser) took 16932.89ms. Allocated memory was 119.5MB in the beginning and 251.7MB in the end (delta: 132.1MB). Free memory was 84.9MB in the beginning and 109.2MB in the end (delta: -24.3MB). Peak memory consumption was 107.2MB. Max. memory is 16.1GB. [2022-11-16 07:39:43,392 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 119.5MB. Free memory is still 101.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 07:39:43,392 INFO L158 Benchmark]: CACSL2BoogieTranslator took 394.76ms. Allocated memory is still 119.5MB. Free memory was 84.7MB in the beginning and 96.3MB in the end (delta: -11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-16 07:39:43,393 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.39ms. Allocated memory is still 119.5MB. Free memory was 96.3MB in the beginning and 94.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 07:39:43,393 INFO L158 Benchmark]: Boogie Preprocessor took 26.60ms. Allocated memory is still 119.5MB. Free memory was 94.8MB in the beginning and 93.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 07:39:43,394 INFO L158 Benchmark]: RCFGBuilder took 501.62ms. Allocated memory is still 119.5MB. Free memory was 93.5MB in the beginning and 80.9MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-16 07:39:43,394 INFO L158 Benchmark]: CodeCheck took 15859.20ms. Allocated memory was 119.5MB in the beginning and 251.7MB in the end (delta: 132.1MB). Free memory was 80.9MB in the beginning and 112.4MB in the end (delta: -31.5MB). Peak memory consumption was 101.6MB. Max. memory is 16.1GB. [2022-11-16 07:39:43,395 INFO L158 Benchmark]: Witness Printer took 84.65ms. Allocated memory is still 251.7MB. Free memory was 112.4MB in the beginning and 109.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 07:39:43,397 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 39 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 15.4s, OverallIterations: 53, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 12266 SdHoareTripleChecker+Valid, 39.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4065 mSDsluCounter, 10200 SdHoareTripleChecker+Invalid, 31.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5140 mSDsCounter, 6122 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 18387 IncrementalHoareTripleChecker+Invalid, 24509 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6122 mSolverCounterUnsat, 5060 mSDtfsCounter, 18387 mSolverCounterSat, 1.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 22255 GetRequests, 21810 SyntacticMatches, 327 SemanticMatches, 118 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10469 ImplicationChecksByTransitivity, 6.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 6.3s InterpolantComputationTime, 1840 NumberOfCodeBlocks, 1840 NumberOfCodeBlocksAsserted, 52 NumberOfCheckSat, 1788 ConstructedInterpolants, 0 QuantifiedInterpolants, 3915 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 52 InterpolantComputations, 30 PerfectInterpolantSequences, 2095/2250 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 25]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 119.5MB. Free memory is still 101.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 394.76ms. Allocated memory is still 119.5MB. Free memory was 84.7MB in the beginning and 96.3MB in the end (delta: -11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.39ms. Allocated memory is still 119.5MB. Free memory was 96.3MB in the beginning and 94.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.60ms. Allocated memory is still 119.5MB. Free memory was 94.8MB in the beginning and 93.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 501.62ms. Allocated memory is still 119.5MB. Free memory was 93.5MB in the beginning and 80.9MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 15859.20ms. Allocated memory was 119.5MB in the beginning and 251.7MB in the end (delta: 132.1MB). Free memory was 80.9MB in the beginning and 112.4MB in the end (delta: -31.5MB). Peak memory consumption was 101.6MB. Max. memory is 16.1GB. * Witness Printer took 84.65ms. Allocated memory is still 251.7MB. Free memory was 112.4MB in the beginning and 109.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-16 07:39:43,420 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c11daf23-81af-42d0-99ba-9d8050cf6055/bin/ukojak-CydTVMUXoH/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: TRUE