./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 b5237d83 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_af6733ea-4167-4b0b-ab3c-77abaf435832/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6733ea-4167-4b0b-ab3c-77abaf435832/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6733ea-4167-4b0b-ab3c-77abaf435832/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6733ea-4167-4b0b-ab3c-77abaf435832/bin/ukojak-jW3SillKbg/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_af6733ea-4167-4b0b-ab3c-77abaf435832/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6733ea-4167-4b0b-ab3c-77abaf435832/bin/ukojak-jW3SillKbg --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 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-b5237d8 [2022-11-21 23:30:37,573 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:30:37,576 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:30:37,614 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:30:37,614 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:30:37,615 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:30:37,617 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:30:37,618 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:30:37,620 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:30:37,621 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:30:37,622 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:30:37,623 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:30:37,623 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:30:37,624 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:30:37,625 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:30:37,627 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:30:37,628 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:30:37,629 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:30:37,631 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:30:37,636 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:30:37,637 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:30:37,639 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:30:37,640 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:30:37,641 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:30:37,645 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:30:37,646 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:30:37,646 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:30:37,647 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:30:37,648 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:30:37,649 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:30:37,649 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:30:37,650 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:30:37,651 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:30:37,652 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:30:37,653 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:30:37,654 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:30:37,655 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:30:37,655 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:30:37,656 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:30:37,657 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:30:37,658 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:30:37,659 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6733ea-4167-4b0b-ab3c-77abaf435832/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-21 23:30:37,680 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:30:37,681 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:30:37,682 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:30:37,682 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:30:37,683 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:30:37,683 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:30:37,684 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:30:37,684 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 23:30:37,684 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 23:30:37,684 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 23:30:37,685 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 23:30:37,685 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:30:37,685 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:30:37,686 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:30:37,686 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:30:37,686 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 23:30:37,687 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 23:30:37,687 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:30:37,687 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:30:37,687 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:30:37,688 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:30:37,688 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:30:37,688 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:30:37,689 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:30:37,689 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:30:37,689 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:30:37,689 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:30:37,690 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 23:30:37,690 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 23:30:37,690 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:30:37,690 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_af6733ea-4167-4b0b-ab3c-77abaf435832/bin/ukojak-jW3SillKbg/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6733ea-4167-4b0b-ab3c-77abaf435832/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c3376ee309c42e8280cfc81381fd928e4a895fffc424cbfa81d01112976a2d85 [2022-11-21 23:30:38,006 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:30:38,043 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:30:38,047 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:30:38,064 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:30:38,064 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:30:38,066 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6733ea-4167-4b0b-ab3c-77abaf435832/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/recursive-simple/id_i20_o20-1.c [2022-11-21 23:30:41,121 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:30:41,295 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:30:41,296 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6733ea-4167-4b0b-ab3c-77abaf435832/sv-benchmarks/c/recursive-simple/id_i20_o20-1.c [2022-11-21 23:30:41,301 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6733ea-4167-4b0b-ab3c-77abaf435832/bin/ukojak-jW3SillKbg/data/8e2588f33/a084f76cce0e41e68d2e35175839ff26/FLAGaa70403ca [2022-11-21 23:30:41,319 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6733ea-4167-4b0b-ab3c-77abaf435832/bin/ukojak-jW3SillKbg/data/8e2588f33/a084f76cce0e41e68d2e35175839ff26 [2022-11-21 23:30:41,327 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:30:41,329 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:30:41,332 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:30:41,332 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:30:41,335 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:30:41,336 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:30:41" (1/1) ... [2022-11-21 23:30:41,337 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73ef0bf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:30:41, skipping insertion in model container [2022-11-21 23:30:41,337 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:30:41" (1/1) ... [2022-11-21 23:30:41,345 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:30:41,358 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:30:41,498 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_af6733ea-4167-4b0b-ab3c-77abaf435832/sv-benchmarks/c/recursive-simple/id_i20_o20-1.c[454,467] [2022-11-21 23:30:41,499 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:30:41,515 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 23:30:41,526 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_af6733ea-4167-4b0b-ab3c-77abaf435832/sv-benchmarks/c/recursive-simple/id_i20_o20-1.c[454,467] [2022-11-21 23:30:41,527 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:30:41,540 INFO L208 MainTranslator]: Completed translation [2022-11-21 23:30:41,541 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:30:41 WrapperNode [2022-11-21 23:30:41,541 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 23:30:41,542 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 23:30:41,542 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 23:30:41,543 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 23:30:41,550 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:30:41" (1/1) ... [2022-11-21 23:30:41,555 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:30:41" (1/1) ... [2022-11-21 23:30:41,571 INFO L138 Inliner]: procedures = 13, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 19 [2022-11-21 23:30:41,572 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 23:30:41,573 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 23:30:41,573 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 23:30:41,573 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 23:30:41,580 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:30:41" (1/1) ... [2022-11-21 23:30:41,581 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:30:41" (1/1) ... [2022-11-21 23:30:41,582 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:30:41" (1/1) ... [2022-11-21 23:30:41,583 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:30:41" (1/1) ... [2022-11-21 23:30:41,585 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:30:41" (1/1) ... [2022-11-21 23:30:41,586 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:30:41" (1/1) ... [2022-11-21 23:30:41,587 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:30:41" (1/1) ... [2022-11-21 23:30:41,588 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:30:41" (1/1) ... [2022-11-21 23:30:41,589 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 23:30:41,590 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 23:30:41,591 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 23:30:41,591 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 23:30:41,592 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:30:41" (1/1) ... [2022-11-21 23:30:41,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:30:41,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6733ea-4167-4b0b-ab3c-77abaf435832/bin/ukojak-jW3SillKbg/z3 [2022-11-21 23:30:41,621 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6733ea-4167-4b0b-ab3c-77abaf435832/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 23:30:41,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6733ea-4167-4b0b-ab3c-77abaf435832/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 23:30:41,666 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 23:30:41,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 23:30:41,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 23:30:41,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 23:30:41,666 INFO L130 BoogieDeclarations]: Found specification of procedure id [2022-11-21 23:30:41,667 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2022-11-21 23:30:41,735 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 23:30:41,737 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 23:30:41,910 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 23:30:41,937 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 23:30:41,937 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 23:30:41,940 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:30:41 BoogieIcfgContainer [2022-11-21 23:30:41,940 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 23:30:41,941 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 23:30:41,941 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 23:30:41,951 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 23:30:41,952 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:30:41" (1/1) ... [2022-11-21 23:30:41,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 23:30:42,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:30:42,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 18 states and 19 transitions. [2022-11-21 23:30:42,039 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2022-11-21 23:30:42,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-21 23:30:42,043 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:30:42,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:30:42,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:30:42,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:30:42,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:30:42,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 21 states and 23 transitions. [2022-11-21 23:30:42,332 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2022-11-21 23:30:42,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-21 23:30:42,333 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:30:42,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:30:42,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:30:42,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:30:42,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:30:42,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 25 states and 28 transitions. [2022-11-21 23:30:42,665 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2022-11-21 23:30:42,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-21 23:30:42,667 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:30:42,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:30:42,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:30:42,771 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:30:42,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:30:42,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 21 states and 22 transitions. [2022-11-21 23:30:42,802 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2022-11-21 23:30:42,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-21 23:30:42,802 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:30:42,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:30:42,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:30:42,947 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:30:43,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:30:43,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 26 states and 28 transitions. [2022-11-21 23:30:43,152 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 28 transitions. [2022-11-21 23:30:43,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-21 23:30:43,153 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:30:43,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:30:43,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:30:43,300 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:30:43,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:30:43,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 31 states and 34 transitions. [2022-11-21 23:30:43,494 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 34 transitions. [2022-11-21 23:30:43,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-21 23:30:43,495 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:30:43,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:30:43,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:30:43,707 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:30:43,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:30:43,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 36 states and 40 transitions. [2022-11-21 23:30:43,960 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 40 transitions. [2022-11-21 23:30:43,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-21 23:30:43,961 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:30:43,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:30:43,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:30:44,181 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:30:44,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:30:44,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 41 states and 46 transitions. [2022-11-21 23:30:44,416 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 46 transitions. [2022-11-21 23:30:44,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-21 23:30:44,417 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:30:44,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:30:44,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:30:44,601 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:30:44,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:30:44,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 46 states and 52 transitions. [2022-11-21 23:30:44,818 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 52 transitions. [2022-11-21 23:30:44,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-21 23:30:44,819 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:30:44,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:30:44,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:30:45,010 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:30:45,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:30:45,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 51 states and 58 transitions. [2022-11-21 23:30:45,251 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 58 transitions. [2022-11-21 23:30:45,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-21 23:30:45,252 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:30:45,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:30:45,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:30:45,483 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 133 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:30:45,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:30:45,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 56 states and 64 transitions. [2022-11-21 23:30:45,754 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 64 transitions. [2022-11-21 23:30:45,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-11-21 23:30:45,755 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:30:45,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:30:45,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:30:45,989 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 172 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:30:46,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:30:46,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 61 states and 70 transitions. [2022-11-21 23:30:46,255 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 70 transitions. [2022-11-21 23:30:46,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-11-21 23:30:46,256 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:30:46,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:30:46,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:30:46,503 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 216 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:30:46,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:30:46,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 66 states and 76 transitions. [2022-11-21 23:30:46,803 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 76 transitions. [2022-11-21 23:30:46,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-11-21 23:30:46,804 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:30:46,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:30:46,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:30:47,077 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 265 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:30:47,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:30:47,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 71 states and 82 transitions. [2022-11-21 23:30:47,396 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 82 transitions. [2022-11-21 23:30:47,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-11-21 23:30:47,397 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:30:47,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:30:47,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:30:47,674 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 0 proven. 319 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:30:48,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:30:48,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 76 states and 88 transitions. [2022-11-21 23:30:48,025 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 88 transitions. [2022-11-21 23:30:48,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-21 23:30:48,026 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:30:48,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:30:48,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:30:48,318 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:30:48,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:30:48,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 81 states and 94 transitions. [2022-11-21 23:30:48,683 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 94 transitions. [2022-11-21 23:30:48,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-11-21 23:30:48,684 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:30:48,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:30:48,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:30:49,027 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 0 proven. 442 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:30:49,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:30:49,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 86 states and 100 transitions. [2022-11-21 23:30:49,369 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 100 transitions. [2022-11-21 23:30:49,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-11-21 23:30:49,371 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:30:49,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:30:49,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:30:49,731 INFO L134 CoverageAnalysis]: Checked inductivity of 511 backedges. 0 proven. 511 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:30:50,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:30:50,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 91 states and 106 transitions. [2022-11-21 23:30:50,130 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 106 transitions. [2022-11-21 23:30:50,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-11-21 23:30:50,131 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:30:50,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:30:50,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:30:50,550 INFO L134 CoverageAnalysis]: Checked inductivity of 585 backedges. 0 proven. 585 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:30:50,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:30:50,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 96 states and 112 transitions. [2022-11-21 23:30:50,943 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 112 transitions. [2022-11-21 23:30:50,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-11-21 23:30:50,944 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:30:50,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:30:50,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:30:51,393 INFO L134 CoverageAnalysis]: Checked inductivity of 664 backedges. 0 proven. 664 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:30:51,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:30:51,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 101 states and 118 transitions. [2022-11-21 23:30:51,817 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 118 transitions. [2022-11-21 23:30:51,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-11-21 23:30:51,818 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:30:51,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:30:51,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:30:52,260 INFO L134 CoverageAnalysis]: Checked inductivity of 748 backedges. 0 proven. 748 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:30:52,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:30:52,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 106 states and 124 transitions. [2022-11-21 23:30:52,704 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 124 transitions. [2022-11-21 23:30:52,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-11-21 23:30:52,705 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:30:52,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:30:52,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:30:53,169 INFO L134 CoverageAnalysis]: Checked inductivity of 837 backedges. 0 proven. 837 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:30:53,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:30:53,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 111 states and 130 transitions. [2022-11-21 23:30:53,612 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 130 transitions. [2022-11-21 23:30:53,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-11-21 23:30:53,612 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:30:53,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:30:53,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:30:54,179 INFO L134 CoverageAnalysis]: Checked inductivity of 931 backedges. 0 proven. 931 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:30:54,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:30:54,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 116 states and 136 transitions. [2022-11-21 23:30:54,672 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 136 transitions. [2022-11-21 23:30:54,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-11-21 23:30:54,673 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:30:54,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:30:54,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:30:55,183 INFO L134 CoverageAnalysis]: Checked inductivity of 1030 backedges. 0 proven. 1030 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:30:55,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:30:55,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 113 states and 132 transitions. [2022-11-21 23:30:55,687 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 132 transitions. [2022-11-21 23:30:55,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-11-21 23:30:55,688 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:30:55,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:30:55,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:30:55,921 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-11-21 23:30:56,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:30:56,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 117 states and 156 transitions. [2022-11-21 23:30:56,224 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 156 transitions. [2022-11-21 23:30:56,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-11-21 23:30:56,225 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:30:56,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:30:56,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:30:56,274 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-11-21 23:30:56,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:30:56,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 118 states and 156 transitions. [2022-11-21 23:30:56,307 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 156 transitions. [2022-11-21 23:30:56,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-11-21 23:30:56,308 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:30:56,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:30:56,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:30:56,608 INFO L134 CoverageAnalysis]: Checked inductivity of 994 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-11-21 23:30:57,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:30:57,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 122 states and 179 transitions. [2022-11-21 23:30:57,304 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 179 transitions. [2022-11-21 23:30:57,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-11-21 23:30:57,305 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:30:57,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:30:57,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:30:57,438 INFO L134 CoverageAnalysis]: Checked inductivity of 995 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 993 trivial. 0 not checked. [2022-11-21 23:30:57,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:30:57,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 121 states and 178 transitions. [2022-11-21 23:30:57,949 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 178 transitions. [2022-11-21 23:30:57,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-11-21 23:30:57,950 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:30:57,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:30:57,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:30:58,228 INFO L134 CoverageAnalysis]: Checked inductivity of 1003 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-11-21 23:30:58,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:30:58,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 126 states and 200 transitions. [2022-11-21 23:30:58,966 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 200 transitions. [2022-11-21 23:30:58,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-11-21 23:30:58,967 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:30:58,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:30:58,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:30:59,267 INFO L134 CoverageAnalysis]: Checked inductivity of 1017 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-11-21 23:31:00,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:31:00,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 131 states and 221 transitions. [2022-11-21 23:31:00,008 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 221 transitions. [2022-11-21 23:31:00,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-11-21 23:31:00,009 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:31:00,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:31:00,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:31:00,326 INFO L134 CoverageAnalysis]: Checked inductivity of 1036 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-11-21 23:31:01,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:31:01,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 136 states and 241 transitions. [2022-11-21 23:31:01,104 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 241 transitions. [2022-11-21 23:31:01,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-11-21 23:31:01,106 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:31:01,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:31:01,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:31:01,475 INFO L134 CoverageAnalysis]: Checked inductivity of 1060 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-11-21 23:31:02,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:31:02,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 141 states and 260 transitions. [2022-11-21 23:31:02,190 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 260 transitions. [2022-11-21 23:31:02,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-11-21 23:31:02,192 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:31:02,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:31:02,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:31:02,554 INFO L134 CoverageAnalysis]: Checked inductivity of 1089 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-11-21 23:31:03,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:31:03,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 146 states and 278 transitions. [2022-11-21 23:31:03,291 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 278 transitions. [2022-11-21 23:31:03,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2022-11-21 23:31:03,293 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:31:03,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:31:03,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:31:03,675 INFO L134 CoverageAnalysis]: Checked inductivity of 1123 backedges. 0 proven. 133 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-11-21 23:31:04,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:31:04,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 151 states and 295 transitions. [2022-11-21 23:31:04,418 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 295 transitions. [2022-11-21 23:31:04,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2022-11-21 23:31:04,420 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:31:04,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:31:04,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:31:04,857 INFO L134 CoverageAnalysis]: Checked inductivity of 1162 backedges. 0 proven. 172 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-11-21 23:31:05,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:31:05,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 156 states and 311 transitions. [2022-11-21 23:31:05,667 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 311 transitions. [2022-11-21 23:31:05,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2022-11-21 23:31:05,669 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:31:05,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:31:05,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:31:06,158 INFO L134 CoverageAnalysis]: Checked inductivity of 1206 backedges. 0 proven. 216 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-11-21 23:31:06,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:31:06,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 161 states and 326 transitions. [2022-11-21 23:31:06,948 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 326 transitions. [2022-11-21 23:31:06,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2022-11-21 23:31:06,950 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:31:06,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:31:06,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:31:07,404 INFO L134 CoverageAnalysis]: Checked inductivity of 1255 backedges. 0 proven. 265 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-11-21 23:31:08,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:31:08,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 166 states and 340 transitions. [2022-11-21 23:31:08,248 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 340 transitions. [2022-11-21 23:31:08,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-11-21 23:31:08,251 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:31:08,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:31:08,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:31:08,752 INFO L134 CoverageAnalysis]: Checked inductivity of 1309 backedges. 0 proven. 319 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-11-21 23:31:09,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:31:09,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 171 states and 353 transitions. [2022-11-21 23:31:09,557 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 353 transitions. [2022-11-21 23:31:09,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2022-11-21 23:31:09,559 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:31:09,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:31:09,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:31:10,093 INFO L134 CoverageAnalysis]: Checked inductivity of 1368 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-11-21 23:31:10,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:31:10,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 176 states and 365 transitions. [2022-11-21 23:31:10,954 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 365 transitions. [2022-11-21 23:31:10,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-11-21 23:31:10,957 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:31:10,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:31:10,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:31:11,543 INFO L134 CoverageAnalysis]: Checked inductivity of 1432 backedges. 0 proven. 442 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-11-21 23:31:12,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:31:12,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 181 states and 376 transitions. [2022-11-21 23:31:12,393 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 376 transitions. [2022-11-21 23:31:12,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2022-11-21 23:31:12,395 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:31:12,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:31:12,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:31:13,023 INFO L134 CoverageAnalysis]: Checked inductivity of 1501 backedges. 0 proven. 511 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-11-21 23:31:13,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:31:13,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 186 states and 386 transitions. [2022-11-21 23:31:13,973 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 386 transitions. [2022-11-21 23:31:13,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2022-11-21 23:31:13,975 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:31:13,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:31:14,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:31:14,692 INFO L134 CoverageAnalysis]: Checked inductivity of 1575 backedges. 0 proven. 585 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-11-21 23:31:15,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:31:15,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 191 states and 395 transitions. [2022-11-21 23:31:15,617 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 395 transitions. [2022-11-21 23:31:15,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2022-11-21 23:31:15,620 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:31:15,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:31:15,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:31:16,305 INFO L134 CoverageAnalysis]: Checked inductivity of 1654 backedges. 0 proven. 664 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-11-21 23:31:17,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:31:17,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 196 states and 403 transitions. [2022-11-21 23:31:17,220 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 403 transitions. [2022-11-21 23:31:17,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-11-21 23:31:17,223 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:31:17,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:31:17,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:31:17,939 INFO L134 CoverageAnalysis]: Checked inductivity of 1738 backedges. 0 proven. 748 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-11-21 23:31:18,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:31:18,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 201 states and 410 transitions. [2022-11-21 23:31:18,857 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 410 transitions. [2022-11-21 23:31:18,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2022-11-21 23:31:18,860 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:31:18,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:31:18,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:31:19,622 INFO L134 CoverageAnalysis]: Checked inductivity of 1827 backedges. 0 proven. 837 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-11-21 23:31:20,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:31:20,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 206 states and 416 transitions. [2022-11-21 23:31:20,630 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 416 transitions. [2022-11-21 23:31:20,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2022-11-21 23:31:20,633 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:31:20,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:31:20,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:31:21,515 INFO L134 CoverageAnalysis]: Checked inductivity of 1921 backedges. 0 proven. 931 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-11-21 23:31:22,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:31:22,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 208 states and 418 transitions. [2022-11-21 23:31:22,505 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 418 transitions. [2022-11-21 23:31:22,508 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 23:31:22,508 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 46 iterations. [2022-11-21 23:31:22,517 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-11-21 23:31:23,375 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 11:31:23 ImpRootNode [2022-11-21 23:31:23,376 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 23:31:23,377 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 23:31:23,377 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 23:31:23,377 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 23:31:23,378 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:30:41" (3/4) ... [2022-11-21 23:31:23,381 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 23:31:23,387 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure id [2022-11-21 23:31:23,391 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2022-11-21 23:31:23,391 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-21 23:31:23,391 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-21 23:31:23,391 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 23:31:23,424 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6733ea-4167-4b0b-ab3c-77abaf435832/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 23:31:23,424 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 23:31:23,425 INFO L158 Benchmark]: Toolchain (without parser) took 42096.16ms. Allocated memory was 203.4MB in the beginning and 740.3MB in the end (delta: 536.9MB). Free memory was 158.8MB in the beginning and 383.8MB in the end (delta: -224.9MB). Peak memory consumption was 313.6MB. Max. memory is 16.1GB. [2022-11-21 23:31:23,425 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 127.9MB. Free memory is still 103.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:31:23,426 INFO L158 Benchmark]: CACSL2BoogieTranslator took 209.47ms. Allocated memory is still 203.4MB. Free memory was 158.4MB in the beginning and 148.9MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-21 23:31:23,426 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.38ms. Allocated memory is still 203.4MB. Free memory was 148.9MB in the beginning and 147.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:31:23,427 INFO L158 Benchmark]: Boogie Preprocessor took 16.57ms. Allocated memory is still 203.4MB. Free memory was 147.4MB in the beginning and 146.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:31:23,427 INFO L158 Benchmark]: RCFGBuilder took 349.99ms. Allocated memory is still 203.4MB. Free memory was 146.3MB in the beginning and 135.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-21 23:31:23,428 INFO L158 Benchmark]: CodeCheck took 41434.70ms. Allocated memory was 203.4MB in the beginning and 740.3MB in the end (delta: 536.9MB). Free memory was 135.8MB in the beginning and 386.8MB in the end (delta: -251.0MB). Peak memory consumption was 288.4MB. Max. memory is 16.1GB. [2022-11-21 23:31:23,428 INFO L158 Benchmark]: Witness Printer took 47.75ms. Allocated memory is still 740.3MB. Free memory was 386.8MB in the beginning and 383.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:31:23,431 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: 40.5s, OverallIterations: 46, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5947 SdHoareTripleChecker+Valid, 54.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5695 mSDsluCounter, 4752 SdHoareTripleChecker+Invalid, 45.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 808 mSDsCounter, 14798 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 38595 IncrementalHoareTripleChecker+Invalid, 53393 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14798 mSolverCounterUnsat, 3944 mSDtfsCounter, 38595 mSolverCounterSat, 1.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 57179 GetRequests, 56834 SyntacticMatches, 5 SemanticMatches, 340 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47592 ImplicationChecksByTransitivity, 25.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 15.7s InterpolantComputationTime, 4524 NumberOfCodeBlocks, 4524 NumberOfCodeBlocksAsserted, 45 NumberOfCheckSat, 4479 ConstructedInterpolants, 0 QuantifiedInterpolants, 8896 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 45 InterpolantComputations, 6 PerfectInterpolantSequences, 21788/35738 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 0.23ms. Allocated memory is still 127.9MB. Free memory is still 103.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 209.47ms. Allocated memory is still 203.4MB. Free memory was 158.4MB in the beginning and 148.9MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.38ms. Allocated memory is still 203.4MB. Free memory was 148.9MB in the beginning and 147.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 16.57ms. Allocated memory is still 203.4MB. Free memory was 147.4MB in the beginning and 146.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 349.99ms. Allocated memory is still 203.4MB. Free memory was 146.3MB in the beginning and 135.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 41434.70ms. Allocated memory was 203.4MB in the beginning and 740.3MB in the end (delta: 536.9MB). Free memory was 135.8MB in the beginning and 386.8MB in the end (delta: -251.0MB). Peak memory consumption was 288.4MB. Max. memory is 16.1GB. * Witness Printer took 47.75ms. Allocated memory is still 740.3MB. Free memory was 386.8MB in the beginning and 383.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-21 23:31:23,454 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6733ea-4167-4b0b-ab3c-77abaf435832/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE