./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/list-simple/dll2c_update_all.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 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_47a2995a-0428-4a01-808a-f5b96ebbb1dc/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a2995a-0428-4a01-808a-f5b96ebbb1dc/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_47a2995a-0428-4a01-808a-f5b96ebbb1dc/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a2995a-0428-4a01-808a-f5b96ebbb1dc/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/list-simple/dll2c_update_all.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a2995a-0428-4a01-808a-f5b96ebbb1dc/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_47a2995a-0428-4a01-808a-f5b96ebbb1dc/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 6bfeee33a1b1d098a34bec7a761d4de16bc595043f21d77f5851cba758b79f34 --- 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 [2022-12-14 19:49:10,848 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 19:49:10,849 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 19:49:10,863 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 19:49:10,864 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 19:49:10,864 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 19:49:10,865 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 19:49:10,866 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 19:49:10,867 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 19:49:10,868 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 19:49:10,869 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 19:49:10,870 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 19:49:10,870 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 19:49:10,870 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 19:49:10,871 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 19:49:10,872 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 19:49:10,873 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 19:49:10,873 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 19:49:10,874 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 19:49:10,876 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 19:49:10,877 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 19:49:10,878 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 19:49:10,878 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 19:49:10,879 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 19:49:10,881 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 19:49:10,882 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 19:49:10,882 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 19:49:10,882 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 19:49:10,883 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 19:49:10,883 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 19:49:10,884 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 19:49:10,884 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 19:49:10,885 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 19:49:10,885 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 19:49:10,886 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 19:49:10,886 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 19:49:10,887 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 19:49:10,887 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 19:49:10,887 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 19:49:10,888 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 19:49:10,888 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 19:49:10,889 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a2995a-0428-4a01-808a-f5b96ebbb1dc/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-12-14 19:49:10,903 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 19:49:10,903 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 19:49:10,904 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 19:49:10,904 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 19:49:10,904 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 19:49:10,904 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 19:49:10,905 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 19:49:10,905 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 19:49:10,905 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 19:49:10,905 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 19:49:10,905 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 19:49:10,905 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 19:49:10,905 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 19:49:10,905 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 19:49:10,905 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 19:49:10,906 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 19:49:10,906 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 19:49:10,906 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 19:49:10,906 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 19:49:10,906 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 19:49:10,906 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 19:49:10,906 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 19:49:10,906 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 19:49:10,911 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 19:49:10,912 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 19:49:10,912 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 19:49:10,912 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 19:49:10,912 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 19:49:10,912 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 19:49:10,912 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 19:49:10,912 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_47a2995a-0428-4a01-808a-f5b96ebbb1dc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a2995a-0428-4a01-808a-f5b96ebbb1dc/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6bfeee33a1b1d098a34bec7a761d4de16bc595043f21d77f5851cba758b79f34 [2022-12-14 19:49:11,093 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 19:49:11,111 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 19:49:11,113 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 19:49:11,114 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 19:49:11,114 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 19:49:11,116 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a2995a-0428-4a01-808a-f5b96ebbb1dc/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/list-simple/dll2c_update_all.i [2022-12-14 19:49:13,596 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 19:49:13,803 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 19:49:13,803 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a2995a-0428-4a01-808a-f5b96ebbb1dc/sv-benchmarks/c/list-simple/dll2c_update_all.i [2022-12-14 19:49:13,813 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a2995a-0428-4a01-808a-f5b96ebbb1dc/bin/ukojak-rkRKPMF4O4/data/3e1ea6598/bed822730add4897ae34c9929c5def3b/FLAGface5c906 [2022-12-14 19:49:14,156 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a2995a-0428-4a01-808a-f5b96ebbb1dc/bin/ukojak-rkRKPMF4O4/data/3e1ea6598/bed822730add4897ae34c9929c5def3b [2022-12-14 19:49:14,158 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 19:49:14,159 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 19:49:14,161 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 19:49:14,161 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 19:49:14,163 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 19:49:14,164 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:49:14" (1/1) ... [2022-12-14 19:49:14,164 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e0d0fdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:49:14, skipping insertion in model container [2022-12-14 19:49:14,164 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:49:14" (1/1) ... [2022-12-14 19:49:14,170 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 19:49:14,201 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 19:49:14,420 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_47a2995a-0428-4a01-808a-f5b96ebbb1dc/sv-benchmarks/c/list-simple/dll2c_update_all.i[24538,24551] [2022-12-14 19:49:14,421 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 19:49:14,430 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 19:49:14,469 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_47a2995a-0428-4a01-808a-f5b96ebbb1dc/sv-benchmarks/c/list-simple/dll2c_update_all.i[24538,24551] [2022-12-14 19:49:14,470 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 19:49:14,488 INFO L208 MainTranslator]: Completed translation [2022-12-14 19:49:14,489 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:49:14 WrapperNode [2022-12-14 19:49:14,489 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 19:49:14,490 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 19:49:14,490 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 19:49:14,490 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 19:49:14,495 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:49:14" (1/1) ... [2022-12-14 19:49:14,513 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:49:14" (1/1) ... [2022-12-14 19:49:14,532 INFO L138 Inliner]: procedures = 126, calls = 29, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 145 [2022-12-14 19:49:14,533 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 19:49:14,533 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 19:49:14,533 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 19:49:14,533 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 19:49:14,540 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:49:14" (1/1) ... [2022-12-14 19:49:14,540 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:49:14" (1/1) ... [2022-12-14 19:49:14,548 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:49:14" (1/1) ... [2022-12-14 19:49:14,548 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:49:14" (1/1) ... [2022-12-14 19:49:14,554 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:49:14" (1/1) ... [2022-12-14 19:49:14,558 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:49:14" (1/1) ... [2022-12-14 19:49:14,560 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:49:14" (1/1) ... [2022-12-14 19:49:14,561 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:49:14" (1/1) ... [2022-12-14 19:49:14,563 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 19:49:14,564 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 19:49:14,564 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 19:49:14,565 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 19:49:14,565 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:49:14" (1/1) ... [2022-12-14 19:49:14,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 19:49:14,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a2995a-0428-4a01-808a-f5b96ebbb1dc/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 19:49:14,589 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a2995a-0428-4a01-808a-f5b96ebbb1dc/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 19:49:14,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a2995a-0428-4a01-808a-f5b96ebbb1dc/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 19:49:14,624 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 19:49:14,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 19:49:14,624 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2022-12-14 19:49:14,624 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2022-12-14 19:49:14,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 19:49:14,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 19:49:14,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 19:49:14,624 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 19:49:14,625 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 19:49:14,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 19:49:14,625 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 19:49:14,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 19:49:14,711 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 19:49:14,712 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 19:49:14,896 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 19:49:14,940 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 19:49:14,940 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-12-14 19:49:14,942 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:49:14 BoogieIcfgContainer [2022-12-14 19:49:14,942 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 19:49:14,943 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 19:49:14,943 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 19:49:14,950 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 19:49:14,950 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:49:14" (1/1) ... [2022-12-14 19:49:14,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 19:49:14,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:49:14,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 48 states and 57 transitions. [2022-12-14 19:49:14,995 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 57 transitions. [2022-12-14 19:49:14,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 19:49:14,998 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:49:14,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:49:15,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:49:15,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:49:15,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:49:15,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 49 states and 59 transitions. [2022-12-14 19:49:15,239 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 59 transitions. [2022-12-14 19:49:15,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 19:49:15,240 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:49:15,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:49:15,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:49:15,350 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 19:49:15,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:49:15,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 52 states and 64 transitions. [2022-12-14 19:49:15,389 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 64 transitions. [2022-12-14 19:49:15,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 19:49:15,390 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:49:15,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:49:15,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:49:15,475 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 19:49:15,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:49:15,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 54 states and 66 transitions. [2022-12-14 19:49:15,520 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 66 transitions. [2022-12-14 19:49:15,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 19:49:15,521 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:49:15,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:49:15,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:49:15,610 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 19:49:15,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:49:15,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 56 states and 70 transitions. [2022-12-14 19:49:15,651 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 70 transitions. [2022-12-14 19:49:15,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 19:49:15,651 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:49:15,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:49:15,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:49:15,804 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 19:49:16,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:49:16,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 63 states and 84 transitions. [2022-12-14 19:49:16,125 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 84 transitions. [2022-12-14 19:49:16,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 19:49:16,126 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:49:16,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:49:16,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:49:16,230 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 19:49:16,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:49:16,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 69 states and 95 transitions. [2022-12-14 19:49:16,609 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 95 transitions. [2022-12-14 19:49:16,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 19:49:16,610 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:49:16,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:49:16,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:49:16,682 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 19:49:16,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:49:16,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 70 states and 98 transitions. [2022-12-14 19:49:16,714 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 98 transitions. [2022-12-14 19:49:16,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 19:49:16,715 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:49:16,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:49:16,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:49:16,799 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 19:49:16,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:49:16,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 72 states and 102 transitions. [2022-12-14 19:49:16,901 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 102 transitions. [2022-12-14 19:49:16,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 19:49:16,901 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:49:16,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:49:16,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:49:16,975 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-14 19:49:17,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:49:17,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 70 states and 97 transitions. [2022-12-14 19:49:17,051 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 97 transitions. [2022-12-14 19:49:17,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 19:49:17,052 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:49:17,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:49:17,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:49:17,113 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 19:49:17,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:49:17,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 71 states and 98 transitions. [2022-12-14 19:49:17,128 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 98 transitions. [2022-12-14 19:49:17,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 19:49:17,128 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:49:17,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:49:17,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:49:17,206 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 19:49:17,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:49:17,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 57 states and 74 transitions. [2022-12-14 19:49:17,316 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 74 transitions. [2022-12-14 19:49:17,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 19:49:17,316 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:49:17,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:49:17,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:49:17,455 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 19:49:17,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:49:17,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 63 states and 84 transitions. [2022-12-14 19:49:17,945 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 84 transitions. [2022-12-14 19:49:17,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 19:49:17,946 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:49:17,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:49:17,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:49:18,022 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 19:49:18,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:49:18,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 66 states and 89 transitions. [2022-12-14 19:49:18,152 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 89 transitions. [2022-12-14 19:49:18,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 19:49:18,153 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:49:18,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:49:18,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:49:18,289 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 19:49:18,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:49:18,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 72 states and 101 transitions. [2022-12-14 19:49:18,985 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 101 transitions. [2022-12-14 19:49:18,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-14 19:49:18,986 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:49:18,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:49:19,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:49:19,128 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 19:49:19,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:49:19,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 78 states and 109 transitions. [2022-12-14 19:49:19,607 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 109 transitions. [2022-12-14 19:49:19,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-14 19:49:19,607 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:49:19,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:49:19,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:49:19,680 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-14 19:49:19,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:49:19,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 77 states and 108 transitions. [2022-12-14 19:49:19,729 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 108 transitions. [2022-12-14 19:49:19,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-14 19:49:19,730 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:49:19,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:49:19,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:49:19,882 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 19:49:20,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:49:20,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 82 states and 118 transitions. [2022-12-14 19:49:20,514 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 118 transitions. [2022-12-14 19:49:20,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-14 19:49:20,515 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:49:20,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:49:20,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:49:20,695 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 19:49:21,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:49:21,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 86 states and 127 transitions. [2022-12-14 19:49:21,247 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 127 transitions. [2022-12-14 19:49:21,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-14 19:49:21,247 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:49:21,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:49:21,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:49:21,343 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 19:49:21,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:49:21,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 89 states and 136 transitions. [2022-12-14 19:49:21,712 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 136 transitions. [2022-12-14 19:49:21,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-14 19:49:21,712 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:49:21,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:49:21,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:49:21,765 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 19:49:22,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:49:22,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 91 states and 138 transitions. [2022-12-14 19:49:22,053 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 138 transitions. [2022-12-14 19:49:22,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-14 19:49:22,053 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:49:22,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:49:22,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:49:22,106 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 19:49:22,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:49:22,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 92 states and 138 transitions. [2022-12-14 19:49:22,271 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 138 transitions. [2022-12-14 19:49:22,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-14 19:49:22,271 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:49:22,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:49:22,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:49:22,380 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 19:49:22,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:49:22,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 93 states and 138 transitions. [2022-12-14 19:49:22,678 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 138 transitions. [2022-12-14 19:49:22,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 19:49:22,678 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:49:22,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:49:22,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:49:22,727 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 19:49:23,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:49:23,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 95 states and 140 transitions. [2022-12-14 19:49:23,111 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 140 transitions. [2022-12-14 19:49:23,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 19:49:23,112 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:49:23,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:49:23,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:49:23,161 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 19:49:23,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:49:23,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 96 states and 140 transitions. [2022-12-14 19:49:23,333 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 140 transitions. [2022-12-14 19:49:23,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 19:49:23,334 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:49:23,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:49:23,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:49:23,545 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 19:49:25,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:49:25,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 103 states and 151 transitions. [2022-12-14 19:49:25,226 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 151 transitions. [2022-12-14 19:49:25,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 19:49:25,226 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:49:25,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:49:25,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:49:25,357 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 19:49:25,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:49:25,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 104 states and 151 transitions. [2022-12-14 19:49:25,588 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 151 transitions. [2022-12-14 19:49:25,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-14 19:49:25,589 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:49:25,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:49:25,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:49:25,821 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 9 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 19:49:27,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:49:27,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 110 states and 160 transitions. [2022-12-14 19:49:27,286 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 160 transitions. [2022-12-14 19:49:27,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-14 19:49:27,286 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:49:27,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:49:27,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:49:27,409 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 9 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 19:49:27,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:49:27,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 52 states and 60 transitions. [2022-12-14 19:49:27,922 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 60 transitions. [2022-12-14 19:49:27,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-14 19:49:27,922 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:49:27,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:49:27,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:49:28,217 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-12-14 19:49:28,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:49:28,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 55 states and 65 transitions. [2022-12-14 19:49:28,899 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 65 transitions. [2022-12-14 19:49:28,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-12-14 19:49:28,900 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:49:28,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:49:28,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:49:29,007 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-12-14 19:49:29,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:49:29,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 56 states and 68 transitions. [2022-12-14 19:49:29,076 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 68 transitions. [2022-12-14 19:49:29,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-12-14 19:49:29,077 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:49:29,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:49:29,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:49:29,173 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-12-14 19:49:29,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:49:29,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 59 states and 72 transitions. [2022-12-14 19:49:29,418 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 72 transitions. [2022-12-14 19:49:29,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-12-14 19:49:29,418 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:49:29,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:49:29,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:49:29,458 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-12-14 19:49:29,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:49:29,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 60 states and 73 transitions. [2022-12-14 19:49:29,468 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 73 transitions. [2022-12-14 19:49:29,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-12-14 19:49:29,469 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:49:29,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:49:29,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:49:29,627 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-12-14 19:49:30,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:49:30,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 69 states and 87 transitions. [2022-12-14 19:49:30,614 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 87 transitions. [2022-12-14 19:49:30,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-12-14 19:49:30,615 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:49:30,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:49:30,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:49:30,803 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-12-14 19:49:31,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:49:31,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 76 states and 100 transitions. [2022-12-14 19:49:31,454 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 100 transitions. [2022-12-14 19:49:31,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-12-14 19:49:31,455 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:49:31,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:49:31,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:49:31,575 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-12-14 19:49:31,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:49:31,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 75 states and 99 transitions. [2022-12-14 19:49:31,696 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 99 transitions. [2022-12-14 19:49:31,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-12-14 19:49:31,696 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:49:31,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:49:31,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:49:31,853 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-12-14 19:49:32,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:49:32,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 81 states and 111 transitions. [2022-12-14 19:49:32,806 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 111 transitions. [2022-12-14 19:49:32,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-12-14 19:49:32,806 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:49:32,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:49:32,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:49:33,036 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-12-14 19:49:33,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:49:33,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 86 states and 120 transitions. [2022-12-14 19:49:33,737 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 120 transitions. [2022-12-14 19:49:33,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-12-14 19:49:33,738 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:49:33,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:49:33,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:49:33,890 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-12-14 19:49:34,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:49:34,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 87 states and 120 transitions. [2022-12-14 19:49:34,239 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 120 transitions. [2022-12-14 19:49:34,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-12-14 19:49:34,240 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:49:34,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:49:34,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:49:34,290 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-14 19:49:34,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:49:34,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 90 states and 122 transitions. [2022-12-14 19:49:34,983 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 122 transitions. [2022-12-14 19:49:34,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-12-14 19:49:34,983 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:49:34,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:49:35,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:49:35,116 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-14 19:49:36,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:49:36,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 97 states and 134 transitions. [2022-12-14 19:49:36,704 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 134 transitions. [2022-12-14 19:49:36,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-12-14 19:49:36,704 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:49:36,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:49:36,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:49:36,756 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-14 19:49:37,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:49:37,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 98 states and 134 transitions. [2022-12-14 19:49:37,015 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 134 transitions. [2022-12-14 19:49:37,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-12-14 19:49:37,016 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:49:37,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:49:37,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:49:37,250 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-12-14 19:49:39,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:49:39,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 106 states and 146 transitions. [2022-12-14 19:49:39,305 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 146 transitions. [2022-12-14 19:49:39,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-12-14 19:49:39,306 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:49:39,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:49:39,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:49:39,432 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-12-14 19:49:39,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:49:39,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 107 states and 146 transitions. [2022-12-14 19:49:39,802 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 146 transitions. [2022-12-14 19:49:39,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-12-14 19:49:39,803 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:49:39,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:49:39,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:49:40,072 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 10 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-12-14 19:49:42,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:49:42,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 114 states and 156 transitions. [2022-12-14 19:49:42,563 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 156 transitions. [2022-12-14 19:49:42,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-12-14 19:49:42,563 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:49:42,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:49:42,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:49:42,676 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 10 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-12-14 19:49:43,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:49:43,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 54 states and 59 transitions. [2022-12-14 19:49:43,217 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 59 transitions. [2022-12-14 19:49:43,218 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 19:49:43,218 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 46 iterations. [2022-12-14 19:49:43,224 INFO L754 CodeCheckObserver]: All specifications hold 14 specifications checked. All of them hold [2022-12-14 19:49:43,423 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 19:49:43,426 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 19:49:43,427 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 19:49:43,427 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 19:49:43,427 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 19:49:43,427 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 19:49:43,427 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 19:49:43,427 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 19:49:43,427 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 19:49:43,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 07:49:43 ImpRootNode [2022-12-14 19:49:43,427 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 19:49:43,428 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 19:49:43,428 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 19:49:43,428 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 19:49:43,428 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:49:14" (3/4) ... [2022-12-14 19:49:43,431 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 19:49:43,435 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure node_create [2022-12-14 19:49:43,438 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 32 nodes and edges [2022-12-14 19:49:43,438 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2022-12-14 19:49:43,438 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-14 19:49:43,439 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 19:49:43,471 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a2995a-0428-4a01-808a-f5b96ebbb1dc/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 19:49:43,471 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 19:49:43,472 INFO L158 Benchmark]: Toolchain (without parser) took 29312.22ms. Allocated memory was 121.6MB in the beginning and 308.3MB in the end (delta: 186.6MB). Free memory was 74.6MB in the beginning and 89.2MB in the end (delta: -14.6MB). Peak memory consumption was 173.8MB. Max. memory is 16.1GB. [2022-12-14 19:49:43,472 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 100.7MB. Free memory was 73.0MB in the beginning and 72.9MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 19:49:43,472 INFO L158 Benchmark]: CACSL2BoogieTranslator took 328.51ms. Allocated memory is still 121.6MB. Free memory was 74.6MB in the beginning and 57.1MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-14 19:49:43,472 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.84ms. Allocated memory is still 121.6MB. Free memory was 57.1MB in the beginning and 92.4MB in the end (delta: -35.2MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. [2022-12-14 19:49:43,473 INFO L158 Benchmark]: Boogie Preprocessor took 30.44ms. Allocated memory is still 121.6MB. Free memory was 92.4MB in the beginning and 94.0MB in the end (delta: -1.6MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. [2022-12-14 19:49:43,473 INFO L158 Benchmark]: RCFGBuilder took 378.16ms. Allocated memory is still 121.6MB. Free memory was 94.0MB in the beginning and 72.2MB in the end (delta: 21.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-12-14 19:49:43,473 INFO L158 Benchmark]: CodeCheck took 28484.59ms. Allocated memory was 121.6MB in the beginning and 308.3MB in the end (delta: 186.6MB). Free memory was 72.2MB in the beginning and 93.4MB in the end (delta: -21.2MB). Peak memory consumption was 166.4MB. Max. memory is 16.1GB. [2022-12-14 19:49:43,474 INFO L158 Benchmark]: Witness Printer took 43.19ms. Allocated memory is still 308.3MB. Free memory was 93.4MB in the beginning and 89.2MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 19:49:43,476 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, 48 locations, 14 error locations. Started 1 CEGAR loops. OverallTime: 28.3s, OverallIterations: 46, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7276 SdHoareTripleChecker+Valid, 20.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4711 mSDsluCounter, 1900 SdHoareTripleChecker+Invalid, 18.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 520 mSDsCounter, 4989 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 20815 IncrementalHoareTripleChecker+Invalid, 25804 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4989 mSolverCounterUnsat, 1380 mSDtfsCounter, 20815 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10606 GetRequests, 9867 SyntacticMatches, 261 SemanticMatches, 478 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117469 ImplicationChecksByTransitivity, 23.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 4.8s InterpolantComputationTime, 1419 NumberOfCodeBlocks, 1419 NumberOfCodeBlocksAsserted, 45 NumberOfCheckSat, 1374 ConstructedInterpolants, 0 QuantifiedInterpolants, 3619 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 45 InterpolantComputations, 13 PerfectInterpolantSequences, 407/589 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: 595]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 595]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 632]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 632]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 622]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 622]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 631]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 631]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 636]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 636]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 615]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 615]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 635]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 635]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 14 specifications checked. All of them hold - InvariantResult [Line: 620]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 637]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 588]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 573]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 613]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 635]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 604]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 631]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 100.7MB. Free memory was 73.0MB in the beginning and 72.9MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 328.51ms. Allocated memory is still 121.6MB. Free memory was 74.6MB in the beginning and 57.1MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.84ms. Allocated memory is still 121.6MB. Free memory was 57.1MB in the beginning and 92.4MB in the end (delta: -35.2MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.44ms. Allocated memory is still 121.6MB. Free memory was 92.4MB in the beginning and 94.0MB in the end (delta: -1.6MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. * RCFGBuilder took 378.16ms. Allocated memory is still 121.6MB. Free memory was 94.0MB in the beginning and 72.2MB in the end (delta: 21.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 28484.59ms. Allocated memory was 121.6MB in the beginning and 308.3MB in the end (delta: 186.6MB). Free memory was 72.2MB in the beginning and 93.4MB in the end (delta: -21.2MB). Peak memory consumption was 166.4MB. Max. memory is 16.1GB. * Witness Printer took 43.19ms. Allocated memory is still 308.3MB. Free memory was 93.4MB in the beginning and 89.2MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-14 19:49:43,491 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a2995a-0428-4a01-808a-f5b96ebbb1dc/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