./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 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92212f57-31eb-4195-9399-120a0c1ce2f9/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92212f57-31eb-4195-9399-120a0c1ce2f9/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92212f57-31eb-4195-9399-120a0c1ce2f9/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92212f57-31eb-4195-9399-120a0c1ce2f9/bin/ukojak-pZX7IvK2PQ/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_92212f57-31eb-4195-9399-120a0c1ce2f9/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92212f57-31eb-4195-9399-120a0c1ce2f9/bin/ukojak-pZX7IvK2PQ --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-6b4ec56 [2022-11-20 17:44:32,610 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:44:32,612 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:44:32,644 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:44:32,645 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:44:32,658 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:44:32,660 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:44:32,661 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:44:32,663 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:44:32,664 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:44:32,665 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:44:32,666 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:44:32,666 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:44:32,667 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:44:32,668 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:44:32,669 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:44:32,670 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:44:32,671 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:44:32,672 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:44:32,674 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:44:32,675 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:44:32,677 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:44:32,678 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:44:32,679 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:44:32,682 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:44:32,682 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:44:32,682 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:44:32,683 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:44:32,684 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:44:32,685 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:44:32,685 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:44:32,686 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:44:32,687 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:44:32,687 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:44:32,688 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:44:32,689 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:44:32,689 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:44:32,690 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:44:32,690 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:44:32,691 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:44:32,692 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:44:32,693 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92212f57-31eb-4195-9399-120a0c1ce2f9/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-20 17:44:32,717 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:44:32,717 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:44:32,718 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:44:32,719 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:44:32,719 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:44:32,719 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:44:32,720 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:44:32,720 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 17:44:32,720 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:44:32,720 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:44:32,720 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 17:44:32,721 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:44:32,721 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:44:32,721 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:44:32,721 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:44:32,721 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:44:32,721 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 17:44:32,722 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:44:32,722 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:44:32,722 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:44:32,722 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:44:32,722 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:44:32,723 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:44:32,723 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:44:32,723 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:44:32,723 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:44:32,723 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:44:32,724 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:44:32,724 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:44:32,724 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:44:32,724 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_92212f57-31eb-4195-9399-120a0c1ce2f9/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92212f57-31eb-4195-9399-120a0c1ce2f9/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c3376ee309c42e8280cfc81381fd928e4a895fffc424cbfa81d01112976a2d85 [2022-11-20 17:44:33,032 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:44:33,066 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:44:33,069 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:44:33,071 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:44:33,071 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:44:33,072 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92212f57-31eb-4195-9399-120a0c1ce2f9/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/recursive-simple/id_i20_o20-1.c [2022-11-20 17:44:36,187 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:44:36,349 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:44:36,350 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92212f57-31eb-4195-9399-120a0c1ce2f9/sv-benchmarks/c/recursive-simple/id_i20_o20-1.c [2022-11-20 17:44:36,356 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92212f57-31eb-4195-9399-120a0c1ce2f9/bin/ukojak-pZX7IvK2PQ/data/adaf4f66e/c4d8d3d05f6a4ed69164574282c287de/FLAGd1cabd151 [2022-11-20 17:44:36,372 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92212f57-31eb-4195-9399-120a0c1ce2f9/bin/ukojak-pZX7IvK2PQ/data/adaf4f66e/c4d8d3d05f6a4ed69164574282c287de [2022-11-20 17:44:36,377 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:44:36,381 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:44:36,385 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:44:36,385 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:44:36,388 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:44:36,389 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:44:36" (1/1) ... [2022-11-20 17:44:36,390 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46111d09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:44:36, skipping insertion in model container [2022-11-20 17:44:36,391 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:44:36" (1/1) ... [2022-11-20 17:44:36,398 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:44:36,417 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:44:36,580 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_92212f57-31eb-4195-9399-120a0c1ce2f9/sv-benchmarks/c/recursive-simple/id_i20_o20-1.c[454,467] [2022-11-20 17:44:36,582 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:44:36,598 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:44:36,614 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_92212f57-31eb-4195-9399-120a0c1ce2f9/sv-benchmarks/c/recursive-simple/id_i20_o20-1.c[454,467] [2022-11-20 17:44:36,615 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:44:36,629 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:44:36,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:44:36 WrapperNode [2022-11-20 17:44:36,632 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:44:36,634 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:44:36,634 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:44:36,634 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:44:36,643 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:44:36" (1/1) ... [2022-11-20 17:44:36,650 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:44:36" (1/1) ... [2022-11-20 17:44:36,665 INFO L138 Inliner]: procedures = 13, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 19 [2022-11-20 17:44:36,665 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:44:36,666 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:44:36,666 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:44:36,667 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:44:36,676 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:44:36" (1/1) ... [2022-11-20 17:44:36,676 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:44:36" (1/1) ... [2022-11-20 17:44:36,677 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:44:36" (1/1) ... [2022-11-20 17:44:36,677 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:44:36" (1/1) ... [2022-11-20 17:44:36,680 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:44:36" (1/1) ... [2022-11-20 17:44:36,681 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:44:36" (1/1) ... [2022-11-20 17:44:36,685 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:44:36" (1/1) ... [2022-11-20 17:44:36,686 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:44:36" (1/1) ... [2022-11-20 17:44:36,688 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:44:36,689 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:44:36,689 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:44:36,689 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:44:36,690 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:44:36" (1/1) ... [2022-11-20 17:44:36,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:44:36,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92212f57-31eb-4195-9399-120a0c1ce2f9/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:44:36,731 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92212f57-31eb-4195-9399-120a0c1ce2f9/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:44:36,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92212f57-31eb-4195-9399-120a0c1ce2f9/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:44:36,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:44:36,771 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:44:36,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:44:36,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 17:44:36,772 INFO L130 BoogieDeclarations]: Found specification of procedure id [2022-11-20 17:44:36,772 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2022-11-20 17:44:36,853 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:44:36,855 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:44:36,984 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:44:37,007 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:44:37,008 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 17:44:37,010 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:44:37 BoogieIcfgContainer [2022-11-20 17:44:37,010 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:44:37,011 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:44:37,011 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:44:37,021 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:44:37,022 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:44:37" (1/1) ... [2022-11-20 17:44:37,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:44:37,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:44:37,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 18 states and 19 transitions. [2022-11-20 17:44:37,090 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2022-11-20 17:44:37,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 17:44:37,093 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:44:37,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:44:37,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:44:37,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:44:37,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:44:37,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 21 states and 23 transitions. [2022-11-20 17:44:37,469 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2022-11-20 17:44:37,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 17:44:37,469 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:44:37,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:44:37,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:44:37,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:44:37,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:44:37,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 25 states and 28 transitions. [2022-11-20 17:44:37,781 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2022-11-20 17:44:37,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 17:44:37,782 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:44:37,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:44:37,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:44:37,901 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:44:37,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:44:37,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 21 states and 22 transitions. [2022-11-20 17:44:37,959 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2022-11-20 17:44:37,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 17:44:37,960 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:44:37,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:44:37,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:44:38,080 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:44:38,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:44:38,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 26 states and 28 transitions. [2022-11-20 17:44:38,252 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 28 transitions. [2022-11-20 17:44:38,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 17:44:38,252 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:44:38,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:44:38,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:44:38,450 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:44:38,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:44:38,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 31 states and 34 transitions. [2022-11-20 17:44:38,653 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 34 transitions. [2022-11-20 17:44:38,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 17:44:38,654 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:44:38,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:44:38,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:44:38,866 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:44:39,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:44:39,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 36 states and 40 transitions. [2022-11-20 17:44:39,077 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 40 transitions. [2022-11-20 17:44:39,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-20 17:44:39,078 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:44:39,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:44:39,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:44:39,270 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:44:39,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:44:39,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 41 states and 46 transitions. [2022-11-20 17:44:39,485 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 46 transitions. [2022-11-20 17:44:39,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-20 17:44:39,485 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:44:39,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:44:39,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:44:39,651 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:44:39,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:44:39,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 46 states and 52 transitions. [2022-11-20 17:44:39,908 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 52 transitions. [2022-11-20 17:44:39,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-20 17:44:39,910 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:44:39,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:44:39,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:44:40,179 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:44:40,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:44:40,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 51 states and 58 transitions. [2022-11-20 17:44:40,473 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 58 transitions. [2022-11-20 17:44:40,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-20 17:44:40,473 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:44:40,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:44:40,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:44:40,668 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 133 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:44:40,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:44:40,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 56 states and 64 transitions. [2022-11-20 17:44:40,942 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 64 transitions. [2022-11-20 17:44:40,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-11-20 17:44:40,943 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:44:40,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:44:40,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:44:41,197 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 172 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:44:41,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:44:41,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 61 states and 70 transitions. [2022-11-20 17:44:41,467 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 70 transitions. [2022-11-20 17:44:41,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-11-20 17:44:41,468 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:44:41,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:44:41,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:44:41,750 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 216 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:44:42,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:44:42,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 66 states and 76 transitions. [2022-11-20 17:44:42,045 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 76 transitions. [2022-11-20 17:44:42,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-11-20 17:44:42,047 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:44:42,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:44:42,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:44:42,294 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 265 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:44:42,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:44:42,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 71 states and 82 transitions. [2022-11-20 17:44:42,602 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 82 transitions. [2022-11-20 17:44:42,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-11-20 17:44:42,604 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:44:42,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:44:42,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:44:42,908 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 0 proven. 319 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:44:43,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:44:43,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 76 states and 88 transitions. [2022-11-20 17:44:43,223 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 88 transitions. [2022-11-20 17:44:43,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-20 17:44:43,224 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:44:43,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:44:43,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:44:43,620 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:44:43,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:44:43,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 81 states and 94 transitions. [2022-11-20 17:44:43,974 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 94 transitions. [2022-11-20 17:44:43,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-11-20 17:44:43,975 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:44:43,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:44:43,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:44:44,315 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 0 proven. 442 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:44:44,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:44:44,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 86 states and 100 transitions. [2022-11-20 17:44:44,685 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 100 transitions. [2022-11-20 17:44:44,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-11-20 17:44:44,686 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:44:44,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:44:44,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:44:45,046 INFO L134 CoverageAnalysis]: Checked inductivity of 511 backedges. 0 proven. 511 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:44:45,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:44:45,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 91 states and 106 transitions. [2022-11-20 17:44:45,431 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 106 transitions. [2022-11-20 17:44:45,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-11-20 17:44:45,432 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:44:45,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:44:45,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:44:45,832 INFO L134 CoverageAnalysis]: Checked inductivity of 585 backedges. 0 proven. 585 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:44:46,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:44:46,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 96 states and 112 transitions. [2022-11-20 17:44:46,232 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 112 transitions. [2022-11-20 17:44:46,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-11-20 17:44:46,233 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:44:46,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:44:46,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:44:46,747 INFO L134 CoverageAnalysis]: Checked inductivity of 664 backedges. 0 proven. 664 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:44:47,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:44:47,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 101 states and 118 transitions. [2022-11-20 17:44:47,155 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 118 transitions. [2022-11-20 17:44:47,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-11-20 17:44:47,156 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:44:47,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:44:47,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:44:47,666 INFO L134 CoverageAnalysis]: Checked inductivity of 748 backedges. 0 proven. 748 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:44:48,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:44:48,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 106 states and 124 transitions. [2022-11-20 17:44:48,095 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 124 transitions. [2022-11-20 17:44:48,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-11-20 17:44:48,095 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:44:48,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:44:48,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:44:48,626 INFO L134 CoverageAnalysis]: Checked inductivity of 837 backedges. 0 proven. 837 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:44:49,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:44:49,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 111 states and 130 transitions. [2022-11-20 17:44:49,079 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 130 transitions. [2022-11-20 17:44:49,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-11-20 17:44:49,080 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:44:49,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:44:49,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:44:49,620 INFO L134 CoverageAnalysis]: Checked inductivity of 931 backedges. 0 proven. 931 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:44:50,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:44:50,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 116 states and 136 transitions. [2022-11-20 17:44:50,136 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 136 transitions. [2022-11-20 17:44:50,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-11-20 17:44:50,137 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:44:50,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:44:50,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:44:50,739 INFO L134 CoverageAnalysis]: Checked inductivity of 1030 backedges. 0 proven. 1030 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:44:51,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:44:51,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 113 states and 132 transitions. [2022-11-20 17:44:51,245 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 132 transitions. [2022-11-20 17:44:51,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-11-20 17:44:51,246 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:44:51,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:44:51,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:44:51,497 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-11-20 17:44:51,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:44:51,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 117 states and 156 transitions. [2022-11-20 17:44:51,805 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 156 transitions. [2022-11-20 17:44:51,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-11-20 17:44:51,806 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:44:51,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:44:51,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:44:51,857 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-11-20 17:44:51,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:44:51,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 118 states and 156 transitions. [2022-11-20 17:44:51,888 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 156 transitions. [2022-11-20 17:44:51,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-11-20 17:44:51,890 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:44:51,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:44:51,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:44:52,159 INFO L134 CoverageAnalysis]: Checked inductivity of 994 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-11-20 17:44:52,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:44:52,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 122 states and 179 transitions. [2022-11-20 17:44:52,870 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 179 transitions. [2022-11-20 17:44:52,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-11-20 17:44:52,871 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:44:52,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:44:52,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:44:53,014 INFO L134 CoverageAnalysis]: Checked inductivity of 995 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 993 trivial. 0 not checked. [2022-11-20 17:44:53,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:44:53,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 121 states and 178 transitions. [2022-11-20 17:44:53,524 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 178 transitions. [2022-11-20 17:44:53,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-11-20 17:44:53,525 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:44:53,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:44:53,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:44:53,805 INFO L134 CoverageAnalysis]: Checked inductivity of 1003 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-11-20 17:44:54,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:44:54,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 126 states and 200 transitions. [2022-11-20 17:44:54,548 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 200 transitions. [2022-11-20 17:44:54,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-11-20 17:44:54,550 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:44:54,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:44:54,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:44:54,862 INFO L134 CoverageAnalysis]: Checked inductivity of 1017 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-11-20 17:44:55,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:44:55,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 131 states and 221 transitions. [2022-11-20 17:44:55,597 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 221 transitions. [2022-11-20 17:44:55,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-11-20 17:44:55,598 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:44:55,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:44:55,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:44:55,984 INFO L134 CoverageAnalysis]: Checked inductivity of 1036 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-11-20 17:44:56,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:44:56,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 136 states and 241 transitions. [2022-11-20 17:44:56,747 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 241 transitions. [2022-11-20 17:44:56,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-11-20 17:44:56,748 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:44:56,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:44:56,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:44:57,120 INFO L134 CoverageAnalysis]: Checked inductivity of 1060 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-11-20 17:44:57,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:44:57,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 141 states and 260 transitions. [2022-11-20 17:44:57,897 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 260 transitions. [2022-11-20 17:44:57,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-11-20 17:44:57,899 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:44:57,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:44:57,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:44:58,274 INFO L134 CoverageAnalysis]: Checked inductivity of 1089 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-11-20 17:44:59,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:44:59,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 146 states and 278 transitions. [2022-11-20 17:44:59,081 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 278 transitions. [2022-11-20 17:44:59,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2022-11-20 17:44:59,084 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:44:59,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:44:59,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:44:59,500 INFO L134 CoverageAnalysis]: Checked inductivity of 1123 backedges. 0 proven. 133 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-11-20 17:45:00,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:45:00,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 151 states and 295 transitions. [2022-11-20 17:45:00,352 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 295 transitions. [2022-11-20 17:45:00,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2022-11-20 17:45:00,355 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:45:00,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:45:00,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:45:00,779 INFO L134 CoverageAnalysis]: Checked inductivity of 1162 backedges. 0 proven. 172 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-11-20 17:45:01,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:45:01,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 156 states and 311 transitions. [2022-11-20 17:45:01,612 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 311 transitions. [2022-11-20 17:45:01,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2022-11-20 17:45:01,614 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:45:01,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:45:01,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:45:02,094 INFO L134 CoverageAnalysis]: Checked inductivity of 1206 backedges. 0 proven. 216 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-11-20 17:45:02,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:45:02,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 161 states and 326 transitions. [2022-11-20 17:45:02,954 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 326 transitions. [2022-11-20 17:45:02,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2022-11-20 17:45:02,957 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:45:02,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:45:02,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:45:03,475 INFO L134 CoverageAnalysis]: Checked inductivity of 1255 backedges. 0 proven. 265 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-11-20 17:45:04,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:45:04,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 166 states and 340 transitions. [2022-11-20 17:45:04,298 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 340 transitions. [2022-11-20 17:45:04,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-11-20 17:45:04,300 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:45:04,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:45:04,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:45:04,821 INFO L134 CoverageAnalysis]: Checked inductivity of 1309 backedges. 0 proven. 319 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-11-20 17:45:05,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:45:05,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 171 states and 353 transitions. [2022-11-20 17:45:05,697 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 353 transitions. [2022-11-20 17:45:05,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2022-11-20 17:45:05,700 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:45:05,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:45:05,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:45:06,225 INFO L134 CoverageAnalysis]: Checked inductivity of 1368 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-11-20 17:45:07,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:45:07,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 176 states and 365 transitions. [2022-11-20 17:45:07,071 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 365 transitions. [2022-11-20 17:45:07,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-11-20 17:45:07,078 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:45:07,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:45:07,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:45:07,655 INFO L134 CoverageAnalysis]: Checked inductivity of 1432 backedges. 0 proven. 442 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-11-20 17:45:08,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:45:08,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 181 states and 376 transitions. [2022-11-20 17:45:08,500 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 376 transitions. [2022-11-20 17:45:08,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2022-11-20 17:45:08,503 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:45:08,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:45:08,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:45:09,126 INFO L134 CoverageAnalysis]: Checked inductivity of 1501 backedges. 0 proven. 511 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-11-20 17:45:09,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:45:09,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 186 states and 386 transitions. [2022-11-20 17:45:09,983 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 386 transitions. [2022-11-20 17:45:09,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2022-11-20 17:45:09,985 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:45:09,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:45:10,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:45:10,625 INFO L134 CoverageAnalysis]: Checked inductivity of 1575 backedges. 0 proven. 585 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-11-20 17:45:11,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:45:11,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 191 states and 395 transitions. [2022-11-20 17:45:11,605 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 395 transitions. [2022-11-20 17:45:11,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2022-11-20 17:45:11,607 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:45:11,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:45:11,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:45:12,290 INFO L134 CoverageAnalysis]: Checked inductivity of 1654 backedges. 0 proven. 664 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-11-20 17:45:13,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:45:13,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 196 states and 403 transitions. [2022-11-20 17:45:13,325 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 403 transitions. [2022-11-20 17:45:13,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-11-20 17:45:13,328 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:45:13,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:45:13,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:45:14,092 INFO L134 CoverageAnalysis]: Checked inductivity of 1738 backedges. 0 proven. 748 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-11-20 17:45:15,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:45:15,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 201 states and 410 transitions. [2022-11-20 17:45:15,074 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 410 transitions. [2022-11-20 17:45:15,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2022-11-20 17:45:15,077 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:45:15,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:45:15,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:45:15,884 INFO L134 CoverageAnalysis]: Checked inductivity of 1827 backedges. 0 proven. 837 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-11-20 17:45:16,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:45:16,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 206 states and 416 transitions. [2022-11-20 17:45:16,828 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 416 transitions. [2022-11-20 17:45:16,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2022-11-20 17:45:16,831 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:45:16,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:45:16,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:45:17,643 INFO L134 CoverageAnalysis]: Checked inductivity of 1921 backedges. 0 proven. 931 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-11-20 17:45:18,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:45:18,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 208 states and 418 transitions. [2022-11-20 17:45:18,657 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 418 transitions. [2022-11-20 17:45:18,659 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 17:45:18,660 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 46 iterations. [2022-11-20 17:45:18,668 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-11-20 17:45:19,521 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 05:45:19 ImpRootNode [2022-11-20 17:45:19,521 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 17:45:19,521 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 17:45:19,522 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 17:45:19,522 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 17:45:19,522 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:44:37" (3/4) ... [2022-11-20 17:45:19,525 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 17:45:19,532 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure id [2022-11-20 17:45:19,536 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2022-11-20 17:45:19,536 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-20 17:45:19,536 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-20 17:45:19,536 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 17:45:19,585 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92212f57-31eb-4195-9399-120a0c1ce2f9/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 17:45:19,585 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 17:45:19,588 INFO L158 Benchmark]: Toolchain (without parser) took 43204.68ms. Allocated memory was 140.5MB in the beginning and 625.0MB in the end (delta: 484.4MB). Free memory was 105.4MB in the beginning and 338.3MB in the end (delta: -232.9MB). Peak memory consumption was 250.3MB. Max. memory is 16.1GB. [2022-11-20 17:45:19,596 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 113.2MB. Free memory is still 86.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:45:19,596 INFO L158 Benchmark]: CACSL2BoogieTranslator took 248.36ms. Allocated memory is still 140.5MB. Free memory was 105.4MB in the beginning and 95.7MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-20 17:45:19,597 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.83ms. Allocated memory is still 140.5MB. Free memory was 95.7MB in the beginning and 94.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:45:19,597 INFO L158 Benchmark]: Boogie Preprocessor took 22.17ms. Allocated memory is still 140.5MB. Free memory was 94.4MB in the beginning and 93.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:45:19,597 INFO L158 Benchmark]: RCFGBuilder took 321.63ms. Allocated memory is still 140.5MB. Free memory was 93.2MB in the beginning and 107.9MB in the end (delta: -14.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-20 17:45:19,598 INFO L158 Benchmark]: CodeCheck took 42509.68ms. Allocated memory was 140.5MB in the beginning and 625.0MB in the end (delta: 484.4MB). Free memory was 107.9MB in the beginning and 340.4MB in the end (delta: -232.5MB). Peak memory consumption was 253.1MB. Max. memory is 16.1GB. [2022-11-20 17:45:19,598 INFO L158 Benchmark]: Witness Printer took 63.72ms. Allocated memory is still 625.0MB. Free memory was 340.4MB in the beginning and 338.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:45:19,600 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: 41.6s, 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, 54.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5695 mSDsluCounter, 4752 SdHoareTripleChecker+Invalid, 44.2s 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, 1.5s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 57179 GetRequests, 56834 SyntacticMatches, 5 SemanticMatches, 340 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47592 ImplicationChecksByTransitivity, 25.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 16.3s 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 0.27ms. Allocated memory is still 113.2MB. Free memory is still 86.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 248.36ms. Allocated memory is still 140.5MB. Free memory was 105.4MB in the beginning and 95.7MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.83ms. Allocated memory is still 140.5MB. Free memory was 95.7MB in the beginning and 94.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.17ms. Allocated memory is still 140.5MB. Free memory was 94.4MB in the beginning and 93.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 321.63ms. Allocated memory is still 140.5MB. Free memory was 93.2MB in the beginning and 107.9MB in the end (delta: -14.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 42509.68ms. Allocated memory was 140.5MB in the beginning and 625.0MB in the end (delta: 484.4MB). Free memory was 107.9MB in the beginning and 340.4MB in the end (delta: -232.5MB). Peak memory consumption was 253.1MB. Max. memory is 16.1GB. * Witness Printer took 63.72ms. Allocated memory is still 625.0MB. Free memory was 340.4MB in the beginning and 338.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-20 17:45:19,632 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92212f57-31eb-4195-9399-120a0c1ce2f9/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE