./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-memory-alloca/Toulouse-MultiBranchesToLoop-alloca-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_3ec1ca3e-1949-4d36-b228-b47c8602080d/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec1ca3e-1949-4d36-b228-b47c8602080d/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_3ec1ca3e-1949-4d36-b228-b47c8602080d/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec1ca3e-1949-4d36-b228-b47c8602080d/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-memory-alloca/Toulouse-MultiBranchesToLoop-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec1ca3e-1949-4d36-b228-b47c8602080d/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec1ca3e-1949-4d36-b228-b47c8602080d/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 64bit --witnessprinter.graph.data.programhash 840f7211e98f8df944803b1b6b505b147a346af4659f1e24924ab4dd64ebca52 --- 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 22:12:20,776 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 22:12:20,779 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 22:12:20,799 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 22:12:20,800 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 22:12:20,801 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 22:12:20,803 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 22:12:20,833 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 22:12:20,836 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 22:12:20,838 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 22:12:20,839 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 22:12:20,843 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 22:12:20,843 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 22:12:20,849 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 22:12:20,851 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 22:12:20,852 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 22:12:20,855 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 22:12:20,857 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 22:12:20,858 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 22:12:20,861 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 22:12:20,865 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 22:12:20,867 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 22:12:20,869 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 22:12:20,870 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 22:12:20,879 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 22:12:20,882 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 22:12:20,882 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 22:12:20,884 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 22:12:20,885 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 22:12:20,887 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 22:12:20,888 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 22:12:20,889 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 22:12:20,890 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 22:12:20,892 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 22:12:20,894 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 22:12:20,895 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 22:12:20,895 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 22:12:20,896 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 22:12:20,896 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 22:12:20,898 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 22:12:20,899 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 22:12:20,900 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec1ca3e-1949-4d36-b228-b47c8602080d/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-21 22:12:20,933 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 22:12:20,934 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 22:12:20,935 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 22:12:20,936 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 22:12:20,937 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 22:12:20,937 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 22:12:20,937 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 22:12:20,938 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 22:12:20,940 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 22:12:20,940 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 22:12:20,941 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 22:12:20,942 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 22:12:20,942 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 22:12:20,942 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 22:12:20,942 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 22:12:20,943 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 22:12:20,943 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 22:12:20,943 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 22:12:20,944 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 22:12:20,944 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 22:12:20,944 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:12:20,945 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 22:12:20,945 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 22:12:20,945 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 22:12:20,945 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 22:12:20,946 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 22:12:20,946 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 22:12:20,946 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_3ec1ca3e-1949-4d36-b228-b47c8602080d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec1ca3e-1949-4d36-b228-b47c8602080d/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 840f7211e98f8df944803b1b6b505b147a346af4659f1e24924ab4dd64ebca52 [2022-11-21 22:12:21,280 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 22:12:21,320 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 22:12:21,322 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 22:12:21,324 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 22:12:21,324 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 22:12:21,326 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec1ca3e-1949-4d36-b228-b47c8602080d/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/termination-memory-alloca/Toulouse-MultiBranchesToLoop-alloca-2.i [2022-11-21 22:12:24,330 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 22:12:24,651 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 22:12:24,655 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec1ca3e-1949-4d36-b228-b47c8602080d/sv-benchmarks/c/termination-memory-alloca/Toulouse-MultiBranchesToLoop-alloca-2.i [2022-11-21 22:12:24,704 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec1ca3e-1949-4d36-b228-b47c8602080d/bin/ukojak-jW3SillKbg/data/cf372881b/70ccb54a792840a4a528dd7a3907eca3/FLAGf747d2787 [2022-11-21 22:12:24,741 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec1ca3e-1949-4d36-b228-b47c8602080d/bin/ukojak-jW3SillKbg/data/cf372881b/70ccb54a792840a4a528dd7a3907eca3 [2022-11-21 22:12:24,745 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 22:12:24,747 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 22:12:24,750 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 22:12:24,751 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 22:12:24,754 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 22:12:24,754 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:12:24" (1/1) ... [2022-11-21 22:12:24,755 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49da5bba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:24, skipping insertion in model container [2022-11-21 22:12:24,755 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:12:24" (1/1) ... [2022-11-21 22:12:24,769 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 22:12:24,824 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 22:12:25,173 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:12:25,185 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 22:12:25,222 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:12:25,246 INFO L208 MainTranslator]: Completed translation [2022-11-21 22:12:25,246 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:25 WrapperNode [2022-11-21 22:12:25,247 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 22:12:25,248 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 22:12:25,248 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 22:12:25,248 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 22:12:25,256 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:25" (1/1) ... [2022-11-21 22:12:25,270 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:25" (1/1) ... [2022-11-21 22:12:25,310 INFO L138 Inliner]: procedures = 110, calls = 69, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 222 [2022-11-21 22:12:25,312 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 22:12:25,315 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 22:12:25,315 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 22:12:25,316 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 22:12:25,326 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:25" (1/1) ... [2022-11-21 22:12:25,327 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:25" (1/1) ... [2022-11-21 22:12:25,343 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:25" (1/1) ... [2022-11-21 22:12:25,343 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:25" (1/1) ... [2022-11-21 22:12:25,348 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:25" (1/1) ... [2022-11-21 22:12:25,358 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:25" (1/1) ... [2022-11-21 22:12:25,360 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:25" (1/1) ... [2022-11-21 22:12:25,364 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:25" (1/1) ... [2022-11-21 22:12:25,367 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 22:12:25,368 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 22:12:25,368 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 22:12:25,368 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 22:12:25,369 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:25" (1/1) ... [2022-11-21 22:12:25,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:12:25,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec1ca3e-1949-4d36-b228-b47c8602080d/bin/ukojak-jW3SillKbg/z3 [2022-11-21 22:12:25,405 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec1ca3e-1949-4d36-b228-b47c8602080d/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 22:12:25,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec1ca3e-1949-4d36-b228-b47c8602080d/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 22:12:25,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 22:12:25,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 22:12:25,452 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 22:12:25,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 22:12:25,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 22:12:25,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 22:12:25,564 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 22:12:25,566 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 22:12:25,936 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 22:12:26,016 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 22:12:26,016 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-21 22:12:26,019 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:12:26 BoogieIcfgContainer [2022-11-21 22:12:26,019 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 22:12:26,020 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 22:12:26,020 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 22:12:26,042 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 22:12:26,043 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:12:26" (1/1) ... [2022-11-21 22:12:26,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 22:12:26,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:12:26,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 92 states and 101 transitions. [2022-11-21 22:12:26,117 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 101 transitions. [2022-11-21 22:12:26,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-21 22:12:26,119 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:12:26,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:12:26,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:12:26,578 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 22:12:26,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:12:26,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 91 states and 100 transitions. [2022-11-21 22:12:26,650 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 100 transitions. [2022-11-21 22:12:26,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-21 22:12:26,650 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:12:26,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:12:26,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:12:27,028 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 22:12:27,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:12:27,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 90 states and 99 transitions. [2022-11-21 22:12:27,118 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 99 transitions. [2022-11-21 22:12:27,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-21 22:12:27,119 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:12:27,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:12:27,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:12:27,433 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 22:12:27,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:12:27,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 89 states and 98 transitions. [2022-11-21 22:12:27,654 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 98 transitions. [2022-11-21 22:12:27,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-21 22:12:27,655 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:12:27,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:12:27,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:12:27,799 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 22:12:27,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:12:27,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 88 states and 97 transitions. [2022-11-21 22:12:27,896 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 97 transitions. [2022-11-21 22:12:27,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-21 22:12:27,897 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:12:27,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:12:27,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:12:28,047 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 22:12:28,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:12:28,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 87 states and 96 transitions. [2022-11-21 22:12:28,130 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 96 transitions. [2022-11-21 22:12:28,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-21 22:12:28,131 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:12:28,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:12:28,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:12:28,368 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 22:12:28,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:12:28,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 89 states and 98 transitions. [2022-11-21 22:12:28,593 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 98 transitions. [2022-11-21 22:12:28,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-21 22:12:28,594 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:12:28,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:12:28,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:12:29,118 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 22:12:29,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:12:29,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 88 states and 97 transitions. [2022-11-21 22:12:29,899 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 97 transitions. [2022-11-21 22:12:29,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-21 22:12:29,899 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:12:29,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:12:29,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:12:30,402 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 22:12:31,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:12:31,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 87 states and 96 transitions. [2022-11-21 22:12:31,231 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 96 transitions. [2022-11-21 22:12:31,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-21 22:12:31,231 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:12:31,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:12:31,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:12:31,329 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 22:12:31,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:12:31,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 86 states and 95 transitions. [2022-11-21 22:12:31,469 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 95 transitions. [2022-11-21 22:12:31,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-21 22:12:31,470 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:12:31,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:12:31,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:12:31,616 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 22:12:31,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:12:31,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 85 states and 94 transitions. [2022-11-21 22:12:31,741 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 94 transitions. [2022-11-21 22:12:31,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-21 22:12:31,742 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:12:31,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:12:31,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:12:32,134 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 22:12:32,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:12:32,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 89 states and 98 transitions. [2022-11-21 22:12:32,676 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 98 transitions. [2022-11-21 22:12:32,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-21 22:12:32,676 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:12:32,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:12:32,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:12:32,884 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 22:12:33,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:12:33,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 87 states and 95 transitions. [2022-11-21 22:12:33,487 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 95 transitions. [2022-11-21 22:12:33,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-21 22:12:33,487 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:12:33,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:12:33,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:12:34,318 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 22:12:35,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:12:35,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 86 states and 94 transitions. [2022-11-21 22:12:35,492 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 94 transitions. [2022-11-21 22:12:35,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-21 22:12:35,492 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:12:35,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:12:35,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:12:36,298 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 22:12:37,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:12:37,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 85 states and 93 transitions. [2022-11-21 22:12:37,314 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 93 transitions. [2022-11-21 22:12:37,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-21 22:12:37,314 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:12:37,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:12:37,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:12:37,442 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 22:12:37,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:12:37,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 84 states and 92 transitions. [2022-11-21 22:12:37,792 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 92 transitions. [2022-11-21 22:12:37,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-21 22:12:37,793 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:12:37,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:12:37,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:12:38,281 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 22:12:38,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:12:38,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 88 states and 96 transitions. [2022-11-21 22:12:38,769 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 96 transitions. [2022-11-21 22:12:38,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-21 22:12:38,770 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:12:38,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:12:38,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:12:38,996 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 22:12:39,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:12:39,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 89 states and 98 transitions. [2022-11-21 22:12:39,455 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 98 transitions. [2022-11-21 22:12:39,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-21 22:12:39,455 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:12:39,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:12:39,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:12:39,779 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 22:12:40,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:12:40,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 87 states and 95 transitions. [2022-11-21 22:12:40,543 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 95 transitions. [2022-11-21 22:12:40,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-21 22:12:40,544 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:12:40,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:12:40,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:12:41,779 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 22:12:44,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:12:44,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 84 states and 91 transitions. [2022-11-21 22:12:44,445 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 91 transitions. [2022-11-21 22:12:44,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-21 22:12:44,445 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:12:44,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:12:44,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:12:45,398 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 22:12:47,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:12:47,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 83 states and 90 transitions. [2022-11-21 22:12:47,700 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 90 transitions. [2022-11-21 22:12:47,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-21 22:12:47,701 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:12:47,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:12:47,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:12:47,873 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 22:12:48,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:12:48,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 82 states and 89 transitions. [2022-11-21 22:12:48,218 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 89 transitions. [2022-11-21 22:12:48,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-21 22:12:48,219 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:12:48,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:12:48,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:12:49,130 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 22:12:49,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:12:49,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 87 states and 95 transitions. [2022-11-21 22:12:49,914 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 95 transitions. [2022-11-21 22:12:49,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-21 22:12:49,915 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:12:49,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:12:49,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:12:50,216 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 22:12:50,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:12:50,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 88 states and 97 transitions. [2022-11-21 22:12:50,448 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 97 transitions. [2022-11-21 22:12:50,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-21 22:12:50,450 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:12:50,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:12:50,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:12:52,224 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 22:12:57,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:12:57,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 91 states and 102 transitions. [2022-11-21 22:12:57,569 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 102 transitions. [2022-11-21 22:12:57,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-21 22:12:57,570 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:12:57,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:12:57,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:12:57,815 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 22:12:58,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:12:58,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 82 states and 88 transitions. [2022-11-21 22:12:58,699 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 88 transitions. [2022-11-21 22:12:58,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-21 22:12:58,699 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:12:58,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:12:58,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:12:59,593 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 22:13:00,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:13:00,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 81 states and 87 transitions. [2022-11-21 22:13:00,932 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 87 transitions. [2022-11-21 22:13:00,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-21 22:13:00,933 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:13:00,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:13:00,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:13:01,131 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 22:13:01,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:13:01,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 80 states and 86 transitions. [2022-11-21 22:13:01,824 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 86 transitions. [2022-11-21 22:13:01,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-21 22:13:01,824 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:13:01,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:13:01,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:13:02,864 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 22:13:03,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:13:03,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 85 states and 92 transitions. [2022-11-21 22:13:03,835 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 92 transitions. [2022-11-21 22:13:03,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-21 22:13:03,836 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:13:03,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:13:03,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:13:04,194 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 22:13:04,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:13:04,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 86 states and 94 transitions. [2022-11-21 22:13:04,509 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 94 transitions. [2022-11-21 22:13:04,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-21 22:13:04,509 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:13:04,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:13:04,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:13:06,853 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 22:13:14,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:13:14,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 89 states and 100 transitions. [2022-11-21 22:13:14,516 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 100 transitions. [2022-11-21 22:13:14,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-21 22:13:14,516 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:13:14,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:13:14,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:13:16,283 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 22:13:22,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:13:22,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 80 states and 85 transitions. [2022-11-21 22:13:22,098 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 85 transitions. [2022-11-21 22:13:22,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-21 22:13:22,098 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:13:22,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:13:22,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:13:23,059 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 22:13:24,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:13:24,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 79 states and 84 transitions. [2022-11-21 22:13:24,787 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 84 transitions. [2022-11-21 22:13:24,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-21 22:13:24,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:13:24,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:13:24,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:13:25,058 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 22:13:25,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:13:25,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 78 states and 83 transitions. [2022-11-21 22:13:25,844 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 83 transitions. [2022-11-21 22:13:25,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-21 22:13:25,845 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:13:25,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:13:25,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:13:27,046 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 22:13:28,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:13:28,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 83 states and 89 transitions. [2022-11-21 22:13:28,100 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 89 transitions. [2022-11-21 22:13:28,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-21 22:13:28,100 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:13:28,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:13:28,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:13:28,535 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 22:13:29,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:13:29,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 83 states and 89 transitions. [2022-11-21 22:13:29,490 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 89 transitions. [2022-11-21 22:13:29,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-21 22:13:29,491 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:13:29,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:13:29,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:13:30,482 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 22:13:31,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:13:31,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 86 states and 94 transitions. [2022-11-21 22:13:31,555 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 94 transitions. [2022-11-21 22:13:31,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-21 22:13:31,555 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:13:31,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:13:31,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:13:31,620 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 22:13:32,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:13:32,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 86 states and 93 transitions. [2022-11-21 22:13:32,334 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 93 transitions. [2022-11-21 22:13:32,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-21 22:13:32,334 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:13:32,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:13:32,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:13:32,637 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 22:13:34,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:13:34,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 78 states and 82 transitions. [2022-11-21 22:13:34,146 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 82 transitions. [2022-11-21 22:13:34,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-21 22:13:34,146 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:13:34,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:13:34,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:13:35,368 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 22:13:37,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:13:37,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 77 states and 81 transitions. [2022-11-21 22:13:37,239 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 81 transitions. [2022-11-21 22:13:37,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-21 22:13:37,239 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:13:37,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:13:37,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:13:37,617 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 22:13:38,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:13:38,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 76 states and 80 transitions. [2022-11-21 22:13:38,524 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 80 transitions. [2022-11-21 22:13:38,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-21 22:13:38,525 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:13:38,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:13:38,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:13:40,099 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 22:13:41,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:13:41,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 80 states and 84 transitions. [2022-11-21 22:13:41,223 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 84 transitions. [2022-11-21 22:13:41,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-21 22:13:41,223 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:13:41,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:13:41,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:13:41,828 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 22:13:42,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:13:42,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 81 states and 86 transitions. [2022-11-21 22:13:42,931 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 86 transitions. [2022-11-21 22:13:42,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-21 22:13:42,931 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:13:42,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:13:42,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:13:44,142 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 22:13:45,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:13:45,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 84 states and 92 transitions. [2022-11-21 22:13:45,998 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 92 transitions. [2022-11-21 22:13:45,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-21 22:13:45,998 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:13:45,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:13:46,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:13:46,826 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 22:13:50,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:13:50,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 76 states and 79 transitions. [2022-11-21 22:13:50,575 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 79 transitions. [2022-11-21 22:13:50,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-21 22:13:50,575 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:13:50,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:13:50,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:13:55,619 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 22:14:01,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:14:01,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 75 states and 78 transitions. [2022-11-21 22:14:01,509 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 78 transitions. [2022-11-21 22:14:01,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-21 22:14:01,510 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:14:01,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:14:01,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:14:01,794 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 22:14:02,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:14:02,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 74 states and 77 transitions. [2022-11-21 22:14:02,388 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 77 transitions. [2022-11-21 22:14:02,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-21 22:14:02,389 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:14:02,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:14:02,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:14:04,835 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 22:14:06,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:14:06,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 79 states and 83 transitions. [2022-11-21 22:14:06,545 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 83 transitions. [2022-11-21 22:14:06,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-21 22:14:06,545 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:14:06,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:14:06,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:14:07,921 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 22:14:10,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:14:10,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 82 states and 90 transitions. [2022-11-21 22:14:10,075 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 90 transitions. [2022-11-21 22:14:10,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-21 22:14:10,075 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:14:10,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:14:10,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:14:10,432 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 22:14:12,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:14:12,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 80 states and 86 transitions. [2022-11-21 22:14:12,329 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 86 transitions. [2022-11-21 22:14:12,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-21 22:14:12,330 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:14:12,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:14:12,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 22:14:12,363 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 22:14:12,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 22:14:12,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 22:14:12,625 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 22:14:12,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 22:14:12,795 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 50 iterations. [2022-11-21 22:14:12,884 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 10:14:12 ImpRootNode [2022-11-21 22:14:12,885 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 22:14:12,885 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 22:14:12,885 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 22:14:12,885 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 22:14:12,886 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:12:26" (3/4) ... [2022-11-21 22:14:12,888 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-21 22:14:12,949 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec1ca3e-1949-4d36-b228-b47c8602080d/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 22:14:12,950 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 22:14:12,951 INFO L158 Benchmark]: Toolchain (without parser) took 108203.37ms. Allocated memory was 195.0MB in the beginning and 1.0GB in the end (delta: 828.4MB). Free memory was 167.2MB in the beginning and 665.6MB in the end (delta: -498.4MB). Peak memory consumption was 329.6MB. Max. memory is 16.1GB. [2022-11-21 22:14:12,951 INFO L158 Benchmark]: CDTParser took 0.56ms. Allocated memory is still 125.8MB. Free memory is still 94.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:14:12,952 INFO L158 Benchmark]: CACSL2BoogieTranslator took 496.78ms. Allocated memory is still 195.0MB. Free memory was 167.2MB in the beginning and 150.2MB in the end (delta: 17.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-21 22:14:12,952 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.19ms. Allocated memory is still 195.0MB. Free memory was 150.2MB in the beginning and 148.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:14:12,953 INFO L158 Benchmark]: Boogie Preprocessor took 52.33ms. Allocated memory is still 195.0MB. Free memory was 148.1MB in the beginning and 146.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:14:12,953 INFO L158 Benchmark]: RCFGBuilder took 651.62ms. Allocated memory is still 195.0MB. Free memory was 146.4MB in the beginning and 121.3MB in the end (delta: 25.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-11-21 22:14:12,954 INFO L158 Benchmark]: CodeCheck took 106864.69ms. Allocated memory was 195.0MB in the beginning and 1.0GB in the end (delta: 828.4MB). Free memory was 120.8MB in the beginning and 670.9MB in the end (delta: -550.1MB). Peak memory consumption was 281.4MB. Max. memory is 16.1GB. [2022-11-21 22:14:12,954 INFO L158 Benchmark]: Witness Printer took 64.81ms. Allocated memory is still 1.0GB. Free memory was 670.9MB in the beginning and 665.6MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 22:14:12,957 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 1 procedures, 92 locations, 36 error locations. Started 1 CEGAR loops. OverallTime: 106.7s, OverallIterations: 50, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5501 SdHoareTripleChecker+Valid, 39.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4115 mSDsluCounter, 259 SdHoareTripleChecker+Invalid, 33.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 7444 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 26229 IncrementalHoareTripleChecker+Invalid, 33673 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7444 mSolverCounterUnsat, 259 mSDtfsCounter, 26229 mSolverCounterSat, 0.7s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7407 GetRequests, 6550 SyntacticMatches, 151 SemanticMatches, 706 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 285420 ImplicationChecksByTransitivity, 90.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 36.7s InterpolantComputationTime, 987 NumberOfCodeBlocks, 987 NumberOfCodeBlocksAsserted, 50 NumberOfCheckSat, 902 ConstructedInterpolants, 0 QuantifiedInterpolants, 4118 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 49 InterpolantComputations, 49 PerfectInterpolantSequences, 0/0 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 - CounterExampleResult [Line: 601]: integer overflow possible integer overflow possible We found a FailurePath: [L548] int* x = __builtin_alloca (sizeof(int)); [L549] int* y = __builtin_alloca (sizeof(int)); [L550] int* z = __builtin_alloca (sizeof(int)); [L551] int* m = __builtin_alloca (sizeof(int)); [L552] int* n = __builtin_alloca (sizeof(int)); [L553] *y = __VERIFIER_nondet_int() [L554] *z = __VERIFIER_nondet_int() [L555] COND FALSE !(__VERIFIER_nondet_int()) [L558] *x = -1 [L560] EXPR \read(*x) VAL [\read(*x)=-1, __builtin_alloca (sizeof(int))={13292:0}, __builtin_alloca (sizeof(int))={13290:0}, __builtin_alloca (sizeof(int))={13294:0}, __builtin_alloca (sizeof(int))={13291:0}, __builtin_alloca (sizeof(int))={13293:0}, m={13291:0}, n={13290:0}, x={13293:0}, y={13292:0}, z={13294:0}] [L560] COND FALSE !(*x > 0) [L563] EXPR \read(*x) [L563] (*x)-- [L565] EXPR \read(*x) VAL [\read(*x)=-2, __builtin_alloca (sizeof(int))={13292:0}, __builtin_alloca (sizeof(int))={13290:0}, __builtin_alloca (sizeof(int))={13294:0}, __builtin_alloca (sizeof(int))={13291:0}, __builtin_alloca (sizeof(int))={13293:0}, m={13291:0}, n={13290:0}, x={13293:0}, y={13292:0}, z={13294:0}] [L565] COND FALSE !(*x > 0) [L568] EXPR \read(*x) [L568] (*x)-- [L570] EXPR \read(*x) VAL [\read(*x)=-3, __builtin_alloca (sizeof(int))={13292:0}, __builtin_alloca (sizeof(int))={13290:0}, __builtin_alloca (sizeof(int))={13294:0}, __builtin_alloca (sizeof(int))={13291:0}, __builtin_alloca (sizeof(int))={13293:0}, m={13291:0}, n={13290:0}, x={13293:0}, y={13292:0}, z={13294:0}] [L570] COND FALSE !(*x > 0) [L573] EXPR \read(*x) [L573] (*x)-- [L575] EXPR \read(*x) VAL [\read(*x)=-4, __builtin_alloca (sizeof(int))={13292:0}, __builtin_alloca (sizeof(int))={13290:0}, __builtin_alloca (sizeof(int))={13294:0}, __builtin_alloca (sizeof(int))={13291:0}, __builtin_alloca (sizeof(int))={13293:0}, m={13291:0}, n={13290:0}, x={13293:0}, y={13292:0}, z={13294:0}] [L575] COND FALSE !(*x > 0) [L578] EXPR \read(*x) [L578] (*x)-- [L580] EXPR \read(*x) VAL [\read(*x)=-5, __builtin_alloca (sizeof(int))={13292:0}, __builtin_alloca (sizeof(int))={13290:0}, __builtin_alloca (sizeof(int))={13294:0}, __builtin_alloca (sizeof(int))={13293:0}, __builtin_alloca (sizeof(int))={13291:0}, m={13291:0}, n={13290:0}, x={13293:0}, y={13292:0}, z={13294:0}] [L580] COND FALSE !(*x > 0) [L583] EXPR \read(*x) [L583] (*x)-- [L585] EXPR \read(*x) VAL [\read(*x)=-6, __builtin_alloca (sizeof(int))={13292:0}, __builtin_alloca (sizeof(int))={13290:0}, __builtin_alloca (sizeof(int))={13294:0}, __builtin_alloca (sizeof(int))={13291:0}, __builtin_alloca (sizeof(int))={13293:0}, m={13291:0}, n={13290:0}, x={13293:0}, y={13292:0}, z={13294:0}] [L585] COND FALSE !(*x > 0) [L588] EXPR \read(*x) [L588] (*x)-- [L590] EXPR \read(*x) VAL [\read(*x)=-7, __builtin_alloca (sizeof(int))={13292:0}, __builtin_alloca (sizeof(int))={13290:0}, __builtin_alloca (sizeof(int))={13294:0}, __builtin_alloca (sizeof(int))={13291:0}, __builtin_alloca (sizeof(int))={13293:0}, m={13291:0}, n={13290:0}, x={13293:0}, y={13292:0}, z={13294:0}] [L590] COND FALSE !(*x > 0) [L593] EXPR \read(*x) [L593] (*x)-- [L595] EXPR \read(*x) VAL [\read(*x)=-8, __builtin_alloca (sizeof(int))={13292:0}, __builtin_alloca (sizeof(int))={13290:0}, __builtin_alloca (sizeof(int))={13294:0}, __builtin_alloca (sizeof(int))={13291:0}, __builtin_alloca (sizeof(int))={13293:0}, m={13291:0}, n={13290:0}, x={13293:0}, y={13292:0}, z={13294:0}] [L595] COND FALSE !(*x > 0) [L598] EXPR \read(*x) [L598] (*x)-- [L600] EXPR \read(*y) [L600] *y < 100 && *z < 100 [L600] EXPR \read(*z) [L600] *y < 100 && *z < 100 VAL [*y < 100 && *z < 100=1, \read(*y)=-2147483640, \read(*z)=43, __builtin_alloca (sizeof(int))={13292:0}, __builtin_alloca (sizeof(int))={13290:0}, __builtin_alloca (sizeof(int))={13291:0}, __builtin_alloca (sizeof(int))={13294:0}, __builtin_alloca (sizeof(int))={13293:0}, m={13291:0}, n={13290:0}, x={13293:0}, y={13292:0}, z={13294:0}] [L600] COND TRUE *y < 100 && *z < 100 [L601] EXPR \read(*y) [L601] EXPR \read(*x) VAL [\read(*x)=-9, \read(*y)=-2147483640, __builtin_alloca (sizeof(int))={13292:0}, __builtin_alloca (sizeof(int))={13290:0}, __builtin_alloca (sizeof(int))={13294:0}, __builtin_alloca (sizeof(int))={13293:0}, __builtin_alloca (sizeof(int))={13291:0}, m={13291:0}, n={13290:0}, x={13293:0}, y={13292:0}, z={13294:0}] [L601] *y + *x VAL [\read(*x)=-9, \read(*y)=-2147483640, __builtin_alloca (sizeof(int))={13292:0}, __builtin_alloca (sizeof(int))={13290:0}, __builtin_alloca (sizeof(int))={13294:0}, __builtin_alloca (sizeof(int))={13291:0}, __builtin_alloca (sizeof(int))={13293:0}, m={13291:0}, n={13290:0}, x={13293:0}, y={13292:0}, z={13294:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.56ms. Allocated memory is still 125.8MB. Free memory is still 94.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 496.78ms. Allocated memory is still 195.0MB. Free memory was 167.2MB in the beginning and 150.2MB in the end (delta: 17.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.19ms. Allocated memory is still 195.0MB. Free memory was 150.2MB in the beginning and 148.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.33ms. Allocated memory is still 195.0MB. Free memory was 148.1MB in the beginning and 146.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 651.62ms. Allocated memory is still 195.0MB. Free memory was 146.4MB in the beginning and 121.3MB in the end (delta: 25.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 106864.69ms. Allocated memory was 195.0MB in the beginning and 1.0GB in the end (delta: 828.4MB). Free memory was 120.8MB in the beginning and 670.9MB in the end (delta: -550.1MB). Peak memory consumption was 281.4MB. Max. memory is 16.1GB. * Witness Printer took 64.81ms. Allocated memory is still 1.0GB. Free memory was 670.9MB in the beginning and 665.6MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-11-21 22:14:12,986 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec1ca3e-1949-4d36-b228-b47c8602080d/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)