./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursive-simple/id_i20_o20-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44eb5bd0-74ac-4995-8618-fafa39f2d288/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44eb5bd0-74ac-4995-8618-fafa39f2d288/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44eb5bd0-74ac-4995-8618-fafa39f2d288/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44eb5bd0-74ac-4995-8618-fafa39f2d288/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/id_i20_o20-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44eb5bd0-74ac-4995-8618-fafa39f2d288/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44eb5bd0-74ac-4995-8618-fafa39f2d288/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c3376ee309c42e8280cfc81381fd928e4a895fffc424cbfa81d01112976a2d85 --- 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-2329fc7 [2022-12-15 00:53:28,813 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 00:53:28,815 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 00:53:28,832 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 00:53:28,832 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 00:53:28,833 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 00:53:28,834 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 00:53:28,835 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 00:53:28,837 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 00:53:28,838 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 00:53:28,838 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 00:53:28,839 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 00:53:28,840 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 00:53:28,841 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 00:53:28,842 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 00:53:28,843 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 00:53:28,843 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 00:53:28,844 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 00:53:28,846 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 00:53:28,847 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 00:53:28,849 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 00:53:28,850 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 00:53:28,851 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 00:53:28,852 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 00:53:28,855 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 00:53:28,855 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 00:53:28,855 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 00:53:28,856 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 00:53:28,856 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 00:53:28,857 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 00:53:28,857 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 00:53:28,858 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 00:53:28,859 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 00:53:28,859 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 00:53:28,860 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 00:53:28,860 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 00:53:28,861 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 00:53:28,861 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 00:53:28,861 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 00:53:28,862 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 00:53:28,863 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 00:53:28,863 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44eb5bd0-74ac-4995-8618-fafa39f2d288/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-12-15 00:53:28,882 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 00:53:28,882 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 00:53:28,883 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 00:53:28,883 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 00:53:28,883 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 00:53:28,884 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 00:53:28,884 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 00:53:28,884 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 00:53:28,884 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-15 00:53:28,884 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 00:53:28,885 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 00:53:28,885 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 00:53:28,885 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 00:53:28,885 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 00:53:28,885 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 00:53:28,885 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-15 00:53:28,886 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 00:53:28,886 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 00:53:28,886 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 00:53:28,886 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 00:53:28,886 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 00:53:28,887 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 00:53:28,887 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 00:53:28,887 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 00:53:28,887 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 00:53:28,887 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 00:53:28,887 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 00:53:28,888 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 00:53:28,888 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 00:53:28,888 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 00:53:28,888 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_44eb5bd0-74ac-4995-8618-fafa39f2d288/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44eb5bd0-74ac-4995-8618-fafa39f2d288/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c3376ee309c42e8280cfc81381fd928e4a895fffc424cbfa81d01112976a2d85 [2022-12-15 00:53:29,072 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 00:53:29,090 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 00:53:29,092 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 00:53:29,093 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 00:53:29,094 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 00:53:29,095 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44eb5bd0-74ac-4995-8618-fafa39f2d288/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/recursive-simple/id_i20_o20-1.c [2022-12-15 00:53:31,775 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 00:53:31,922 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 00:53:31,923 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44eb5bd0-74ac-4995-8618-fafa39f2d288/sv-benchmarks/c/recursive-simple/id_i20_o20-1.c [2022-12-15 00:53:31,927 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44eb5bd0-74ac-4995-8618-fafa39f2d288/bin/ukojak-rkRKPMF4O4/data/b87308273/1b3ed51c61184a978c2a8f420810a54e/FLAGf232e60a6 [2022-12-15 00:53:31,937 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44eb5bd0-74ac-4995-8618-fafa39f2d288/bin/ukojak-rkRKPMF4O4/data/b87308273/1b3ed51c61184a978c2a8f420810a54e [2022-12-15 00:53:31,939 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 00:53:31,940 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 00:53:31,941 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 00:53:31,941 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 00:53:31,943 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 00:53:31,943 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:53:31" (1/1) ... [2022-12-15 00:53:31,944 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@167534c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:53:31, skipping insertion in model container [2022-12-15 00:53:31,944 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:53:31" (1/1) ... [2022-12-15 00:53:31,949 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 00:53:31,960 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 00:53:32,072 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44eb5bd0-74ac-4995-8618-fafa39f2d288/sv-benchmarks/c/recursive-simple/id_i20_o20-1.c[454,467] [2022-12-15 00:53:32,072 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 00:53:32,080 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 00:53:32,090 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44eb5bd0-74ac-4995-8618-fafa39f2d288/sv-benchmarks/c/recursive-simple/id_i20_o20-1.c[454,467] [2022-12-15 00:53:32,090 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 00:53:32,099 INFO L208 MainTranslator]: Completed translation [2022-12-15 00:53:32,100 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:53:32 WrapperNode [2022-12-15 00:53:32,100 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 00:53:32,101 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 00:53:32,101 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 00:53:32,101 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 00:53:32,106 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:53:32" (1/1) ... [2022-12-15 00:53:32,111 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:53:32" (1/1) ... [2022-12-15 00:53:32,122 INFO L138 Inliner]: procedures = 13, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 19 [2022-12-15 00:53:32,122 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 00:53:32,123 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 00:53:32,123 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 00:53:32,123 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 00:53:32,129 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:53:32" (1/1) ... [2022-12-15 00:53:32,129 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:53:32" (1/1) ... [2022-12-15 00:53:32,130 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:53:32" (1/1) ... [2022-12-15 00:53:32,130 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:53:32" (1/1) ... [2022-12-15 00:53:32,131 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:53:32" (1/1) ... [2022-12-15 00:53:32,132 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:53:32" (1/1) ... [2022-12-15 00:53:32,133 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:53:32" (1/1) ... [2022-12-15 00:53:32,133 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:53:32" (1/1) ... [2022-12-15 00:53:32,134 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 00:53:32,135 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 00:53:32,135 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 00:53:32,135 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 00:53:32,136 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:53:32" (1/1) ... [2022-12-15 00:53:32,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 00:53:32,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44eb5bd0-74ac-4995-8618-fafa39f2d288/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 00:53:32,158 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44eb5bd0-74ac-4995-8618-fafa39f2d288/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 00:53:32,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44eb5bd0-74ac-4995-8618-fafa39f2d288/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 00:53:32,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 00:53:32,196 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 00:53:32,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 00:53:32,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 00:53:32,196 INFO L130 BoogieDeclarations]: Found specification of procedure id [2022-12-15 00:53:32,196 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2022-12-15 00:53:32,250 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 00:53:32,252 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 00:53:32,320 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 00:53:32,337 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 00:53:32,337 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-15 00:53:32,339 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:53:32 BoogieIcfgContainer [2022-12-15 00:53:32,339 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 00:53:32,340 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 00:53:32,340 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 00:53:32,347 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 00:53:32,347 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:53:32" (1/1) ... [2022-12-15 00:53:32,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 00:53:32,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:53:32,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 18 states and 19 transitions. [2022-12-15 00:53:32,393 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2022-12-15 00:53:32,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-15 00:53:32,396 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:53:32,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:53:32,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:53:32,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:53:32,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:53:32,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 21 states and 23 transitions. [2022-12-15 00:53:32,591 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2022-12-15 00:53:32,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-15 00:53:32,591 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:53:32,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:53:32,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:53:32,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:53:32,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:53:32,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 25 states and 28 transitions. [2022-12-15 00:53:32,802 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2022-12-15 00:53:32,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-15 00:53:32,804 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:53:32,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:53:32,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:53:32,909 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:53:33,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:53:33,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 30 states and 34 transitions. [2022-12-15 00:53:33,029 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions. [2022-12-15 00:53:33,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-15 00:53:33,030 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:53:33,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:53:33,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:53:33,095 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:53:33,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:53:33,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 25 states and 27 transitions. [2022-12-15 00:53:33,111 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 27 transitions. [2022-12-15 00:53:33,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-15 00:53:33,112 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:53:33,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:53:33,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:53:33,201 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:53:33,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:53:33,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 30 states and 33 transitions. [2022-12-15 00:53:33,304 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 33 transitions. [2022-12-15 00:53:33,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-15 00:53:33,305 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:53:33,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:53:33,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:53:33,407 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:53:33,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:53:33,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 35 states and 39 transitions. [2022-12-15 00:53:33,520 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 39 transitions. [2022-12-15 00:53:33,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-15 00:53:33,521 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:53:33,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:53:33,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:53:33,632 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:53:33,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:53:33,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 40 states and 45 transitions. [2022-12-15 00:53:33,758 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 45 transitions. [2022-12-15 00:53:33,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-15 00:53:33,759 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:53:33,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:53:33,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:53:33,862 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:53:33,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:53:33,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 45 states and 51 transitions. [2022-12-15 00:53:33,981 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 51 transitions. [2022-12-15 00:53:33,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-12-15 00:53:33,982 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:53:33,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:53:33,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:53:34,119 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:53:34,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:53:34,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 50 states and 57 transitions. [2022-12-15 00:53:34,259 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 57 transitions. [2022-12-15 00:53:34,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-12-15 00:53:34,260 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:53:34,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:53:34,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:53:34,379 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:53:34,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:53:34,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 55 states and 63 transitions. [2022-12-15 00:53:34,543 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 63 transitions. [2022-12-15 00:53:34,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-12-15 00:53:34,545 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:53:34,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:53:34,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:53:34,702 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 164 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:53:34,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:53:34,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 60 states and 69 transitions. [2022-12-15 00:53:34,873 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 69 transitions. [2022-12-15 00:53:34,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-12-15 00:53:34,873 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:53:34,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:53:34,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:53:35,032 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 0 proven. 207 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:53:35,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:53:35,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 65 states and 75 transitions. [2022-12-15 00:53:35,188 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 75 transitions. [2022-12-15 00:53:35,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-12-15 00:53:35,189 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:53:35,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:53:35,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:53:35,355 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:53:35,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:53:35,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 70 states and 81 transitions. [2022-12-15 00:53:35,554 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 81 transitions. [2022-12-15 00:53:35,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-12-15 00:53:35,555 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:53:35,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:53:35,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:53:35,764 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 0 proven. 308 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:53:35,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:53:35,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 75 states and 87 transitions. [2022-12-15 00:53:35,986 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 87 transitions. [2022-12-15 00:53:35,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-12-15 00:53:35,987 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:53:35,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:53:35,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:53:36,211 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 0 proven. 366 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:53:36,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:53:36,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 80 states and 93 transitions. [2022-12-15 00:53:36,426 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 93 transitions. [2022-12-15 00:53:36,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-12-15 00:53:36,427 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:53:36,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:53:36,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:53:36,632 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 0 proven. 429 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:53:36,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:53:36,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 85 states and 99 transitions. [2022-12-15 00:53:36,869 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 99 transitions. [2022-12-15 00:53:36,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-12-15 00:53:36,870 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:53:36,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:53:36,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:53:37,073 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 0 proven. 497 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:53:37,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:53:37,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 90 states and 105 transitions. [2022-12-15 00:53:37,296 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 105 transitions. [2022-12-15 00:53:37,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-12-15 00:53:37,296 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:53:37,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:53:37,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:53:37,515 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 0 proven. 570 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:53:37,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:53:37,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 95 states and 111 transitions. [2022-12-15 00:53:37,773 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 111 transitions. [2022-12-15 00:53:37,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-12-15 00:53:37,774 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:53:37,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:53:37,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:53:38,029 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 0 proven. 648 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:53:38,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:53:38,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 100 states and 117 transitions. [2022-12-15 00:53:38,279 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 117 transitions. [2022-12-15 00:53:38,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-12-15 00:53:38,280 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:53:38,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:53:38,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:53:38,525 INFO L134 CoverageAnalysis]: Checked inductivity of 731 backedges. 0 proven. 731 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:53:38,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:53:38,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 105 states and 123 transitions. [2022-12-15 00:53:38,768 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 123 transitions. [2022-12-15 00:53:38,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-12-15 00:53:38,769 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:53:38,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:53:38,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:53:39,057 INFO L134 CoverageAnalysis]: Checked inductivity of 819 backedges. 0 proven. 819 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:53:39,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:53:39,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 110 states and 129 transitions. [2022-12-15 00:53:39,299 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 129 transitions. [2022-12-15 00:53:39,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-12-15 00:53:39,300 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:53:39,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:53:39,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:53:39,620 INFO L134 CoverageAnalysis]: Checked inductivity of 912 backedges. 0 proven. 912 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:53:39,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:53:39,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 115 states and 135 transitions. [2022-12-15 00:53:39,888 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 135 transitions. [2022-12-15 00:53:39,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-12-15 00:53:39,889 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:53:39,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:53:39,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:53:40,211 INFO L134 CoverageAnalysis]: Checked inductivity of 1010 backedges. 0 proven. 1010 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:53:40,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:53:40,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 113 states and 132 transitions. [2022-12-15 00:53:40,449 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 132 transitions. [2022-12-15 00:53:40,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-12-15 00:53:40,450 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:53:40,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:53:40,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:53:40,620 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-12-15 00:53:40,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:53:40,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 117 states and 156 transitions. [2022-12-15 00:53:40,842 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 156 transitions. [2022-12-15 00:53:40,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-12-15 00:53:40,843 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:53:40,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:53:40,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:53:40,873 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-12-15 00:53:40,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:53:40,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 118 states and 156 transitions. [2022-12-15 00:53:40,894 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 156 transitions. [2022-12-15 00:53:40,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-12-15 00:53:40,895 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:53:40,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:53:40,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:53:40,982 INFO L134 CoverageAnalysis]: Checked inductivity of 994 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 993 trivial. 0 not checked. [2022-12-15 00:53:41,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:53:41,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 117 states and 155 transitions. [2022-12-15 00:53:41,177 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 155 transitions. [2022-12-15 00:53:41,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-12-15 00:53:41,178 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:53:41,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:53:41,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:53:41,332 INFO L134 CoverageAnalysis]: Checked inductivity of 995 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-12-15 00:53:41,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:53:41,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 122 states and 179 transitions. [2022-12-15 00:53:41,890 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 179 transitions. [2022-12-15 00:53:41,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-12-15 00:53:41,891 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:53:41,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:53:41,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:53:42,061 INFO L134 CoverageAnalysis]: Checked inductivity of 1005 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-12-15 00:53:42,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:53:42,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 127 states and 201 transitions. [2022-12-15 00:53:42,529 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 201 transitions. [2022-12-15 00:53:42,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-12-15 00:53:42,531 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:53:42,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:53:42,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:53:42,748 INFO L134 CoverageAnalysis]: Checked inductivity of 1020 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-12-15 00:53:43,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:53:43,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 132 states and 222 transitions. [2022-12-15 00:53:43,158 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 222 transitions. [2022-12-15 00:53:43,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-12-15 00:53:43,159 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:53:43,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:53:43,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:53:43,344 INFO L134 CoverageAnalysis]: Checked inductivity of 1040 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-12-15 00:53:43,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:53:43,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 137 states and 242 transitions. [2022-12-15 00:53:43,805 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 242 transitions. [2022-12-15 00:53:43,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-12-15 00:53:43,806 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:53:43,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:53:43,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:53:44,012 INFO L134 CoverageAnalysis]: Checked inductivity of 1065 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-12-15 00:53:44,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:53:44,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 142 states and 261 transitions. [2022-12-15 00:53:44,467 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 261 transitions. [2022-12-15 00:53:44,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-12-15 00:53:44,468 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:53:44,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:53:44,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:53:44,711 INFO L134 CoverageAnalysis]: Checked inductivity of 1095 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-12-15 00:53:45,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:53:45,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 147 states and 279 transitions. [2022-12-15 00:53:45,216 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 279 transitions. [2022-12-15 00:53:45,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2022-12-15 00:53:45,217 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:53:45,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:53:45,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:53:45,425 INFO L134 CoverageAnalysis]: Checked inductivity of 1130 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-12-15 00:53:45,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:53:45,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 152 states and 296 transitions. [2022-12-15 00:53:45,938 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 296 transitions. [2022-12-15 00:53:45,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2022-12-15 00:53:45,939 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:53:45,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:53:45,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:53:46,188 INFO L134 CoverageAnalysis]: Checked inductivity of 1170 backedges. 0 proven. 180 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-12-15 00:53:46,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:53:46,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 157 states and 312 transitions. [2022-12-15 00:53:46,640 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 312 transitions. [2022-12-15 00:53:46,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2022-12-15 00:53:46,641 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:53:46,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:53:46,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:53:46,908 INFO L134 CoverageAnalysis]: Checked inductivity of 1215 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-12-15 00:53:47,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:53:47,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 162 states and 327 transitions. [2022-12-15 00:53:47,341 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 327 transitions. [2022-12-15 00:53:47,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2022-12-15 00:53:47,343 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:53:47,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:53:47,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:53:47,603 INFO L134 CoverageAnalysis]: Checked inductivity of 1265 backedges. 0 proven. 275 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-12-15 00:53:48,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:53:48,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 167 states and 341 transitions. [2022-12-15 00:53:48,118 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 341 transitions. [2022-12-15 00:53:48,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2022-12-15 00:53:48,119 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:53:48,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:53:48,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:53:48,388 INFO L134 CoverageAnalysis]: Checked inductivity of 1320 backedges. 0 proven. 330 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-12-15 00:53:48,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:53:48,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 172 states and 354 transitions. [2022-12-15 00:53:48,906 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 354 transitions. [2022-12-15 00:53:48,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2022-12-15 00:53:48,907 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:53:48,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:53:48,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:53:49,184 INFO L134 CoverageAnalysis]: Checked inductivity of 1380 backedges. 0 proven. 390 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-12-15 00:53:49,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:53:49,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 177 states and 366 transitions. [2022-12-15 00:53:49,665 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 366 transitions. [2022-12-15 00:53:49,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2022-12-15 00:53:49,667 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:53:49,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:53:49,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:53:50,000 INFO L134 CoverageAnalysis]: Checked inductivity of 1445 backedges. 0 proven. 455 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-12-15 00:53:50,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:53:50,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 182 states and 377 transitions. [2022-12-15 00:53:50,610 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 377 transitions. [2022-12-15 00:53:50,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2022-12-15 00:53:50,611 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:53:50,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:53:50,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:53:50,950 INFO L134 CoverageAnalysis]: Checked inductivity of 1515 backedges. 0 proven. 525 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-12-15 00:53:51,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:53:51,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 187 states and 387 transitions. [2022-12-15 00:53:51,394 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 387 transitions. [2022-12-15 00:53:51,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2022-12-15 00:53:51,395 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:53:51,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:53:51,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:53:51,778 INFO L134 CoverageAnalysis]: Checked inductivity of 1590 backedges. 0 proven. 600 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-12-15 00:53:52,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:53:52,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 192 states and 396 transitions. [2022-12-15 00:53:52,421 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 396 transitions. [2022-12-15 00:53:52,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2022-12-15 00:53:52,423 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:53:52,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:53:52,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:53:52,809 INFO L134 CoverageAnalysis]: Checked inductivity of 1670 backedges. 0 proven. 680 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-12-15 00:53:53,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:53:53,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 197 states and 404 transitions. [2022-12-15 00:53:53,470 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 404 transitions. [2022-12-15 00:53:53,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2022-12-15 00:53:53,473 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:53:53,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:53:53,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:53:53,903 INFO L134 CoverageAnalysis]: Checked inductivity of 1755 backedges. 0 proven. 765 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-12-15 00:53:54,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:53:54,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 202 states and 411 transitions. [2022-12-15 00:53:54,450 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 411 transitions. [2022-12-15 00:53:54,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-12-15 00:53:54,452 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:53:54,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:53:54,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:53:54,859 INFO L134 CoverageAnalysis]: Checked inductivity of 1845 backedges. 0 proven. 855 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-12-15 00:53:55,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:53:55,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 207 states and 417 transitions. [2022-12-15 00:53:55,504 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 417 transitions. [2022-12-15 00:53:55,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2022-12-15 00:53:55,505 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:53:55,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:53:55,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:53:55,940 INFO L134 CoverageAnalysis]: Checked inductivity of 1940 backedges. 0 proven. 950 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-12-15 00:53:56,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:53:56,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 208 states and 418 transitions. [2022-12-15 00:53:56,480 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 418 transitions. [2022-12-15 00:53:56,480 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-15 00:53:56,481 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 46 iterations. [2022-12-15 00:53:56,487 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-12-15 00:53:56,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 15.12 12:53:56 ImpRootNode [2022-12-15 00:53:56,959 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-15 00:53:56,960 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-15 00:53:56,960 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-15 00:53:56,960 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-15 00:53:56,960 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:53:32" (3/4) ... [2022-12-15 00:53:56,962 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-15 00:53:56,966 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure id [2022-12-15 00:53:56,968 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2022-12-15 00:53:56,969 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-12-15 00:53:56,969 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-15 00:53:56,969 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-15 00:53:56,991 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44eb5bd0-74ac-4995-8618-fafa39f2d288/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-15 00:53:56,991 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-15 00:53:56,992 INFO L158 Benchmark]: Toolchain (without parser) took 25051.44ms. Allocated memory was 134.2MB in the beginning and 339.7MB in the end (delta: 205.5MB). Free memory was 98.0MB in the beginning and 138.1MB in the end (delta: -40.1MB). Peak memory consumption was 167.6MB. Max. memory is 16.1GB. [2022-12-15 00:53:56,992 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 134.2MB. Free memory is still 106.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 00:53:56,992 INFO L158 Benchmark]: CACSL2BoogieTranslator took 159.52ms. Allocated memory is still 134.2MB. Free memory was 98.0MB in the beginning and 88.2MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-15 00:53:56,993 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.56ms. Allocated memory is still 134.2MB. Free memory was 88.2MB in the beginning and 86.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 00:53:56,993 INFO L158 Benchmark]: Boogie Preprocessor took 11.81ms. Allocated memory is still 134.2MB. Free memory was 86.8MB in the beginning and 86.1MB in the end (delta: 738.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 00:53:56,993 INFO L158 Benchmark]: RCFGBuilder took 204.35ms. Allocated memory is still 134.2MB. Free memory was 86.1MB in the beginning and 76.0MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-15 00:53:56,994 INFO L158 Benchmark]: CodeCheck took 24619.70ms. Allocated memory was 134.2MB in the beginning and 339.7MB in the end (delta: 205.5MB). Free memory was 76.0MB in the beginning and 140.2MB in the end (delta: -64.1MB). Peak memory consumption was 144.5MB. Max. memory is 16.1GB. [2022-12-15 00:53:56,994 INFO L158 Benchmark]: Witness Printer took 31.10ms. Allocated memory is still 339.7MB. Free memory was 140.2MB in the beginning and 138.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 00:53:56,996 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, 18 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 24.1s, OverallIterations: 46, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5861 SdHoareTripleChecker+Valid, 33.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5609 mSDsluCounter, 4742 SdHoareTripleChecker+Invalid, 27.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 804 mSDsCounter, 14763 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 38354 IncrementalHoareTripleChecker+Invalid, 53117 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14763 mSolverCounterUnsat, 3938 mSDtfsCounter, 38354 mSolverCounterSat, 0.7s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 57131 GetRequests, 56785 SyntacticMatches, 6 SemanticMatches, 340 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47631 ImplicationChecksByTransitivity, 15.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 9.1s InterpolantComputationTime, 4523 NumberOfCodeBlocks, 4523 NumberOfCodeBlocksAsserted, 45 NumberOfCheckSat, 4478 ConstructedInterpolants, 0 QuantifiedInterpolants, 8892 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 45 InterpolantComputations, 6 PerfectInterpolantSequences, 21788/35718 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: 8]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 8]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 8]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 8]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 134.2MB. Free memory is still 106.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 159.52ms. Allocated memory is still 134.2MB. Free memory was 98.0MB in the beginning and 88.2MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 21.56ms. Allocated memory is still 134.2MB. Free memory was 88.2MB in the beginning and 86.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 11.81ms. Allocated memory is still 134.2MB. Free memory was 86.8MB in the beginning and 86.1MB in the end (delta: 738.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 204.35ms. Allocated memory is still 134.2MB. Free memory was 86.1MB in the beginning and 76.0MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 24619.70ms. Allocated memory was 134.2MB in the beginning and 339.7MB in the end (delta: 205.5MB). Free memory was 76.0MB in the beginning and 140.2MB in the end (delta: -64.1MB). Peak memory consumption was 144.5MB. Max. memory is 16.1GB. * Witness Printer took 31.10ms. Allocated memory is still 339.7MB. Free memory was 140.2MB in the beginning and 138.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-15 00:53:57,009 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44eb5bd0-74ac-4995-8618-fafa39f2d288/bin/ukojak-rkRKPMF4O4/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