./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f3fb3d8-ce0d-44ae-8412-9ecb6c980fff/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f3fb3d8-ce0d-44ae-8412-9ecb6c980fff/bin/ukojak-Rh5K9KB4LI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f3fb3d8-ce0d-44ae-8412-9ecb6c980fff/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f3fb3d8-ce0d-44ae-8412-9ecb6c980fff/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f3fb3d8-ce0d-44ae-8412-9ecb6c980fff/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f3fb3d8-ce0d-44ae-8412-9ecb6c980fff/bin/ukojak-Rh5K9KB4LI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5cb4924cbdb465eb5009b33592f9047ad895ad10dbe627600c12529f62c9845d ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 03:58:15,869 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 03:58:15,871 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 03:58:15,909 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 03:58:15,909 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 03:58:15,911 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 03:58:15,913 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 03:58:15,916 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 03:58:15,918 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 03:58:15,920 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 03:58:15,921 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 03:58:15,923 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 03:58:15,923 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 03:58:15,925 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 03:58:15,927 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 03:58:15,929 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 03:58:15,930 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 03:58:15,931 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 03:58:15,934 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 03:58:15,936 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 03:58:15,938 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 03:58:15,940 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 03:58:15,942 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 03:58:15,943 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 03:58:15,947 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 03:58:15,948 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 03:58:15,948 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 03:58:15,949 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 03:58:15,950 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 03:58:15,951 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 03:58:15,952 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 03:58:15,953 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 03:58:15,954 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 03:58:15,955 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 03:58:15,957 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 03:58:15,957 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 03:58:15,958 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 03:58:15,959 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 03:58:15,959 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 03:58:15,960 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 03:58:15,961 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 03:58:15,962 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f3fb3d8-ce0d-44ae-8412-9ecb6c980fff/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 03:58:16,017 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 03:58:16,022 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 03:58:16,024 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 03:58:16,025 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 03:58:16,026 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 03:58:16,027 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 03:58:16,027 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 03:58:16,027 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 03:58:16,030 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 03:58:16,031 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 03:58:16,031 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 03:58:16,031 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 03:58:16,032 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 03:58:16,033 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 03:58:16,033 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 03:58:16,033 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 03:58:16,034 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 03:58:16,034 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 03:58:16,034 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 03:58:16,034 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 03:58:16,035 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 03:58:16,035 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:58:16,036 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 03:58:16,036 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 03:58:16,037 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 03:58:16,037 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 03:58:16,037 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 03:58:16,037 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 03:58:16,038 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_3f3fb3d8-ce0d-44ae-8412-9ecb6c980fff/bin/ukojak-Rh5K9KB4LI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f3fb3d8-ce0d-44ae-8412-9ecb6c980fff/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5cb4924cbdb465eb5009b33592f9047ad895ad10dbe627600c12529f62c9845d [2021-10-29 03:58:16,333 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 03:58:16,375 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 03:58:16,378 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 03:58:16,380 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 03:58:16,381 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 03:58:16,382 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f3fb3d8-ce0d-44ae-8412-9ecb6c980fff/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound50.c [2021-10-29 03:58:16,457 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f3fb3d8-ce0d-44ae-8412-9ecb6c980fff/bin/ukojak-Rh5K9KB4LI/data/a6b605d15/6543937a96704d2cbfbdb619c9e8e208/FLAGfaa521b4a [2021-10-29 03:58:16,924 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 03:58:16,925 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f3fb3d8-ce0d-44ae-8412-9ecb6c980fff/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound50.c [2021-10-29 03:58:16,931 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f3fb3d8-ce0d-44ae-8412-9ecb6c980fff/bin/ukojak-Rh5K9KB4LI/data/a6b605d15/6543937a96704d2cbfbdb619c9e8e208/FLAGfaa521b4a [2021-10-29 03:58:17,277 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f3fb3d8-ce0d-44ae-8412-9ecb6c980fff/bin/ukojak-Rh5K9KB4LI/data/a6b605d15/6543937a96704d2cbfbdb619c9e8e208 [2021-10-29 03:58:17,279 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 03:58:17,280 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 03:58:17,289 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 03:58:17,289 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 03:58:17,293 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 03:58:17,293 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:58:17" (1/1) ... [2021-10-29 03:58:17,294 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49eb907e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:58:17, skipping insertion in model container [2021-10-29 03:58:17,295 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:58:17" (1/1) ... [2021-10-29 03:58:17,306 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 03:58:17,324 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 03:58:17,484 WARN L228 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_3f3fb3d8-ce0d-44ae-8412-9ecb6c980fff/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound50.c[520,533] [2021-10-29 03:58:17,528 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:58:17,544 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 03:58:17,572 WARN L228 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_3f3fb3d8-ce0d-44ae-8412-9ecb6c980fff/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound50.c[520,533] [2021-10-29 03:58:17,600 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:58:17,620 INFO L208 MainTranslator]: Completed translation [2021-10-29 03:58:17,622 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:58:17 WrapperNode [2021-10-29 03:58:17,623 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 03:58:17,627 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 03:58:17,628 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 03:58:17,629 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 03:58:17,638 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:58:17" (1/1) ... [2021-10-29 03:58:17,648 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:58:17" (1/1) ... [2021-10-29 03:58:17,673 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 03:58:17,675 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 03:58:17,676 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 03:58:17,676 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 03:58:17,685 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:58:17" (1/1) ... [2021-10-29 03:58:17,686 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:58:17" (1/1) ... [2021-10-29 03:58:17,697 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:58:17" (1/1) ... [2021-10-29 03:58:17,698 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:58:17" (1/1) ... [2021-10-29 03:58:17,702 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:58:17" (1/1) ... [2021-10-29 03:58:17,711 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:58:17" (1/1) ... [2021-10-29 03:58:17,714 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:58:17" (1/1) ... [2021-10-29 03:58:17,721 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 03:58:17,722 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 03:58:17,723 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 03:58:17,723 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 03:58:17,725 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:58:17" (1/1) ... [2021-10-29 03:58:17,733 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:58:17,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f3fb3d8-ce0d-44ae-8412-9ecb6c980fff/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 03:58:17,759 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f3fb3d8-ce0d-44ae-8412-9ecb6c980fff/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 03:58:17,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f3fb3d8-ce0d-44ae-8412-9ecb6c980fff/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 03:58:17,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 03:58:17,821 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 03:58:17,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 03:58:17,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 03:58:17,822 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-10-29 03:58:17,823 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-10-29 03:58:18,112 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 03:58:18,112 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-29 03:58:18,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:58:18 BoogieIcfgContainer [2021-10-29 03:58:18,115 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 03:58:18,116 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 03:58:18,116 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 03:58:18,127 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 03:58:18,128 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:58:18" (1/1) ... [2021-10-29 03:58:18,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 03:58:18,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:58:18,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2021-10-29 03:58:18,180 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2021-10-29 03:58:18,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-29 03:58:18,182 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:58:18,184 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:58:18,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:58:18,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:58:18,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:58:18,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 21 states and 33 transitions. [2021-10-29 03:58:18,620 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 33 transitions. [2021-10-29 03:58:18,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-29 03:58:18,624 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:58:18,625 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:58:18,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:58:18,690 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 03:58:18,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:58:18,887 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:58:19,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:58:19,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 24 states and 40 transitions. [2021-10-29 03:58:19,074 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 40 transitions. [2021-10-29 03:58:19,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-29 03:58:19,075 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:58:19,076 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:58:19,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:58:19,146 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 03:58:19,148 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:58:19,302 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-29 03:58:19,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:58:19,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 26 states and 45 transitions. [2021-10-29 03:58:19,404 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 45 transitions. [2021-10-29 03:58:19,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-29 03:58:19,406 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:58:19,406 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:58:19,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:58:19,461 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:58:19,464 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:58:19,631 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-29 03:58:19,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:58:19,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 28 states and 47 transitions. [2021-10-29 03:58:19,942 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 47 transitions. [2021-10-29 03:58:19,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-29 03:58:19,943 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:58:19,943 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:58:19,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:58:19,974 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:58:19,976 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:58:20,145 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-29 03:58:20,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:58:20,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 31 states and 52 transitions. [2021-10-29 03:58:20,358 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 52 transitions. [2021-10-29 03:58:20,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-29 03:58:20,359 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:58:20,359 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:58:20,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:58:20,404 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:58:20,408 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:58:20,536 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-10-29 03:58:20,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:58:20,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 33 states and 55 transitions. [2021-10-29 03:58:20,755 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 55 transitions. [2021-10-29 03:58:20,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-29 03:58:20,756 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:58:20,756 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:58:20,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:58:20,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-10-29 03:58:20,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:58:20,982 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-10-29 03:58:21,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:58:21,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 34 states and 57 transitions. [2021-10-29 03:58:21,294 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 57 transitions. [2021-10-29 03:58:21,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-29 03:58:21,295 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:58:21,296 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:58:21,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:58:21,345 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:58:21,349 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:58:21,619 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 15 proven. 7 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-10-29 03:58:21,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:58:21,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 34 states and 56 transitions. [2021-10-29 03:58:21,912 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 56 transitions. [2021-10-29 03:58:21,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-29 03:58:21,913 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:58:21,913 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:58:21,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:58:21,972 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:58:21,974 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:58:22,170 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-10-29 03:58:22,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:58:22,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 35 states and 60 transitions. [2021-10-29 03:58:22,445 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 60 transitions. [2021-10-29 03:58:22,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-10-29 03:58:22,447 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:58:22,448 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:58:22,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:58:22,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:58:22,498 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:58:22,606 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2021-10-29 03:58:22,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:58:22,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 36 states and 61 transitions. [2021-10-29 03:58:22,710 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 61 transitions. [2021-10-29 03:58:22,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-10-29 03:58:22,711 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:58:22,711 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:58:22,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:58:22,756 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 15 conjunts are in the unsatisfiable core [2021-10-29 03:58:22,758 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:58:22,970 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 12 proven. 9 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-10-29 03:58:23,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:58:23,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 39 states and 67 transitions. [2021-10-29 03:58:23,240 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 67 transitions. [2021-10-29 03:58:23,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-10-29 03:58:23,242 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:58:23,242 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:58:23,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:58:23,282 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:58:23,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:58:23,409 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 27 proven. 7 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2021-10-29 03:58:23,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:58:23,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 39 states and 66 transitions. [2021-10-29 03:58:23,483 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 66 transitions. [2021-10-29 03:58:23,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-10-29 03:58:23,489 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:58:23,489 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:58:23,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:58:23,546 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 21 conjunts are in the unsatisfiable core [2021-10-29 03:58:23,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:58:23,860 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 14 proven. 11 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-10-29 03:58:24,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:58:24,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 40 states and 68 transitions. [2021-10-29 03:58:24,186 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 68 transitions. [2021-10-29 03:58:24,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-10-29 03:58:24,186 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:58:24,187 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:58:24,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:58:24,232 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 15 conjunts are in the unsatisfiable core [2021-10-29 03:58:24,233 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:58:24,487 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 16 proven. 13 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-10-29 03:58:24,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:58:24,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 41 states and 72 transitions. [2021-10-29 03:58:24,856 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 72 transitions. [2021-10-29 03:58:24,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-29 03:58:24,857 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:58:24,857 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:58:24,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:58:24,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:58:24,892 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:58:25,025 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 41 proven. 7 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2021-10-29 03:58:25,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:58:25,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 42 states and 73 transitions. [2021-10-29 03:58:25,161 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 73 transitions. [2021-10-29 03:58:25,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-10-29 03:58:25,167 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:58:25,169 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:58:25,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:58:25,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 19 conjunts are in the unsatisfiable core [2021-10-29 03:58:25,225 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:58:25,458 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 18 proven. 21 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2021-10-29 03:58:25,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:58:25,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 45 states and 79 transitions. [2021-10-29 03:58:25,788 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 79 transitions. [2021-10-29 03:58:25,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-10-29 03:58:25,789 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:58:25,789 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:58:25,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:58:25,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:58:25,824 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:58:25,957 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 44 proven. 7 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2021-10-29 03:58:26,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:58:26,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 45 states and 78 transitions. [2021-10-29 03:58:26,013 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 78 transitions. [2021-10-29 03:58:26,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-10-29 03:58:26,014 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:58:26,015 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:58:26,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:58:26,065 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 27 conjunts are in the unsatisfiable core [2021-10-29 03:58:26,070 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:58:26,479 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 20 proven. 24 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2021-10-29 03:58:26,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:58:26,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 46 states and 80 transitions. [2021-10-29 03:58:26,958 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 80 transitions. [2021-10-29 03:58:26,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-10-29 03:58:26,958 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:58:26,959 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:58:27,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:58:27,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 19 conjunts are in the unsatisfiable core [2021-10-29 03:58:27,004 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:58:27,344 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 22 proven. 27 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2021-10-29 03:58:27,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:58:27,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 47 states and 84 transitions. [2021-10-29 03:58:27,800 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 84 transitions. [2021-10-29 03:58:27,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-10-29 03:58:27,802 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:58:27,802 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:58:27,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:58:27,839 INFO L263 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:58:27,840 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:58:28,027 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 59 proven. 7 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2021-10-29 03:58:28,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:58:28,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 48 states and 85 transitions. [2021-10-29 03:58:28,182 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 85 transitions. [2021-10-29 03:58:28,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-10-29 03:58:28,183 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:58:28,183 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:58:28,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:58:28,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 23 conjunts are in the unsatisfiable core [2021-10-29 03:58:28,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:58:28,565 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 24 proven. 38 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2021-10-29 03:58:28,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:58:28,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 51 states and 91 transitions. [2021-10-29 03:58:28,987 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 91 transitions. [2021-10-29 03:58:28,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-10-29 03:58:28,988 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:58:28,989 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:58:29,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:58:29,035 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:58:29,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:58:29,256 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 61 proven. 7 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2021-10-29 03:58:29,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:58:29,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 51 states and 90 transitions. [2021-10-29 03:58:29,322 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 90 transitions. [2021-10-29 03:58:29,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-10-29 03:58:29,323 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:58:29,323 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:58:29,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:58:29,373 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 33 conjunts are in the unsatisfiable core [2021-10-29 03:58:29,375 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:58:29,926 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 26 proven. 42 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2021-10-29 03:58:30,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:58:30,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 52 states and 92 transitions. [2021-10-29 03:58:30,455 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 92 transitions. [2021-10-29 03:58:30,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-10-29 03:58:30,456 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:58:30,456 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:58:30,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:58:30,508 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 23 conjunts are in the unsatisfiable core [2021-10-29 03:58:30,510 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:58:30,979 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 28 proven. 46 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2021-10-29 03:58:31,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:58:31,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 53 states and 96 transitions. [2021-10-29 03:58:31,520 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 96 transitions. [2021-10-29 03:58:31,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-10-29 03:58:31,522 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:58:31,522 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:58:31,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:58:31,593 INFO L263 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:58:31,595 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:58:31,775 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 416 trivial. 0 not checked. [2021-10-29 03:58:31,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:58:31,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 54 states and 97 transitions. [2021-10-29 03:58:31,938 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 97 transitions. [2021-10-29 03:58:31,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-10-29 03:58:31,939 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:58:31,940 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:58:31,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:58:31,982 INFO L263 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 27 conjunts are in the unsatisfiable core [2021-10-29 03:58:31,984 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:58:32,392 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 30 proven. 60 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2021-10-29 03:58:32,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:58:32,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 57 states and 103 transitions. [2021-10-29 03:58:32,809 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 103 transitions. [2021-10-29 03:58:32,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-29 03:58:32,810 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:58:32,810 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:58:32,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:58:32,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:58:32,871 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:58:33,084 INFO L134 CoverageAnalysis]: Checked inductivity of 562 backedges. 78 proven. 7 refuted. 0 times theorem prover too weak. 477 trivial. 0 not checked. [2021-10-29 03:58:33,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:58:33,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 57 states and 102 transitions. [2021-10-29 03:58:33,150 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 102 transitions. [2021-10-29 03:58:33,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-10-29 03:58:33,153 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:58:33,153 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:58:33,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:58:33,222 INFO L263 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 39 conjunts are in the unsatisfiable core [2021-10-29 03:58:33,228 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:58:33,899 INFO L134 CoverageAnalysis]: Checked inductivity of 577 backedges. 32 proven. 65 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2021-10-29 03:58:34,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:58:34,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 58 states and 104 transitions. [2021-10-29 03:58:34,363 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 104 transitions. [2021-10-29 03:58:34,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-10-29 03:58:34,364 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:58:34,364 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:58:34,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:58:34,421 INFO L263 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 27 conjunts are in the unsatisfiable core [2021-10-29 03:58:34,423 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:58:34,906 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 34 proven. 70 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2021-10-29 03:58:35,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:58:35,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 59 states and 108 transitions. [2021-10-29 03:58:35,414 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 108 transitions. [2021-10-29 03:58:35,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-10-29 03:58:35,415 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:58:35,415 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:58:35,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:58:35,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:58:35,462 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:58:35,679 INFO L134 CoverageAnalysis]: Checked inductivity of 723 backedges. 95 proven. 7 refuted. 0 times theorem prover too weak. 621 trivial. 0 not checked. [2021-10-29 03:58:35,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:58:35,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 60 states and 109 transitions. [2021-10-29 03:58:35,843 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 109 transitions. [2021-10-29 03:58:35,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-10-29 03:58:35,845 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:58:35,845 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:58:35,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:58:35,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 31 conjunts are in the unsatisfiable core [2021-10-29 03:58:35,889 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:58:36,347 INFO L134 CoverageAnalysis]: Checked inductivity of 735 backedges. 36 proven. 87 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2021-10-29 03:58:36,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:58:36,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 63 states and 115 transitions. [2021-10-29 03:58:36,824 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 115 transitions. [2021-10-29 03:58:36,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-10-29 03:58:36,825 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:58:36,826 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:58:36,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:58:36,875 INFO L263 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:58:36,877 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:58:37,131 INFO L134 CoverageAnalysis]: Checked inductivity of 797 backedges. 95 proven. 7 refuted. 0 times theorem prover too weak. 695 trivial. 0 not checked. [2021-10-29 03:58:37,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:58:37,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 63 states and 114 transitions. [2021-10-29 03:58:37,211 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 114 transitions. [2021-10-29 03:58:37,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-10-29 03:58:37,212 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:58:37,212 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:58:37,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:58:37,293 INFO L263 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 45 conjunts are in the unsatisfiable core [2021-10-29 03:58:37,295 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:58:38,079 INFO L134 CoverageAnalysis]: Checked inductivity of 815 backedges. 38 proven. 93 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2021-10-29 03:58:38,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:58:38,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 64 states and 116 transitions. [2021-10-29 03:58:38,671 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 116 transitions. [2021-10-29 03:58:38,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-10-29 03:58:38,672 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:58:38,673 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:58:38,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:58:38,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 31 conjunts are in the unsatisfiable core [2021-10-29 03:58:38,738 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:58:39,208 INFO L134 CoverageAnalysis]: Checked inductivity of 899 backedges. 40 proven. 99 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2021-10-29 03:58:39,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:58:39,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 65 states and 120 transitions. [2021-10-29 03:58:39,854 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 120 transitions. [2021-10-29 03:58:39,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-10-29 03:58:39,856 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:58:39,856 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:58:39,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:58:39,908 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:58:39,911 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:58:40,171 INFO L134 CoverageAnalysis]: Checked inductivity of 987 backedges. 113 proven. 7 refuted. 0 times theorem prover too weak. 867 trivial. 0 not checked. [2021-10-29 03:58:40,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:58:40,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 66 states and 121 transitions. [2021-10-29 03:58:40,329 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 121 transitions. [2021-10-29 03:58:40,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2021-10-29 03:58:40,330 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:58:40,330 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:58:40,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:58:40,386 INFO L263 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 35 conjunts are in the unsatisfiable core [2021-10-29 03:58:40,388 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:58:40,877 INFO L134 CoverageAnalysis]: Checked inductivity of 1001 backedges. 42 proven. 119 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2021-10-29 03:58:41,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:58:41,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 69 states and 127 transitions. [2021-10-29 03:58:41,442 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 127 transitions. [2021-10-29 03:58:41,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2021-10-29 03:58:41,444 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:58:41,444 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:58:41,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:58:41,501 INFO L263 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:58:41,502 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:58:41,745 INFO L134 CoverageAnalysis]: Checked inductivity of 1073 backedges. 112 proven. 7 refuted. 0 times theorem prover too weak. 954 trivial. 0 not checked. [2021-10-29 03:58:41,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:58:41,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 69 states and 126 transitions. [2021-10-29 03:58:41,819 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 126 transitions. [2021-10-29 03:58:41,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-10-29 03:58:41,820 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:58:41,821 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:58:41,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:58:41,882 INFO L263 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 51 conjunts are in the unsatisfiable core [2021-10-29 03:58:41,884 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:58:42,819 INFO L134 CoverageAnalysis]: Checked inductivity of 1094 backedges. 44 proven. 126 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2021-10-29 03:58:43,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:58:43,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 70 states and 128 transitions. [2021-10-29 03:58:43,531 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 128 transitions. [2021-10-29 03:58:43,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2021-10-29 03:58:43,532 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:58:43,532 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:58:43,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:58:43,613 INFO L263 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 35 conjunts are in the unsatisfiable core [2021-10-29 03:58:43,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:58:44,311 INFO L134 CoverageAnalysis]: Checked inductivity of 1191 backedges. 46 proven. 133 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2021-10-29 03:58:44,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:58:44,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 71 states and 132 transitions. [2021-10-29 03:58:44,991 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 132 transitions. [2021-10-29 03:58:44,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2021-10-29 03:58:44,992 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:58:44,992 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:58:45,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:58:45,069 INFO L263 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:58:45,072 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:58:45,364 INFO L134 CoverageAnalysis]: Checked inductivity of 1292 backedges. 131 proven. 7 refuted. 0 times theorem prover too weak. 1154 trivial. 0 not checked. [2021-10-29 03:58:45,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:58:45,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 72 states and 133 transitions. [2021-10-29 03:58:45,566 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 133 transitions. [2021-10-29 03:58:45,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2021-10-29 03:58:45,566 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:58:45,567 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:58:45,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:58:45,638 INFO L263 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 22 conjunts are in the unsatisfiable core [2021-10-29 03:58:45,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:58:47,113 INFO L134 CoverageAnalysis]: Checked inductivity of 1308 backedges. 169 proven. 35 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2021-10-29 03:58:51,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:58:51,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 56 states and 89 transitions. [2021-10-29 03:58:51,013 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 89 transitions. [2021-10-29 03:58:51,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2021-10-29 03:58:51,014 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:58:51,014 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:58:51,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:58:51,077 INFO L263 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:58:51,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:58:51,371 INFO L134 CoverageAnalysis]: Checked inductivity of 1390 backedges. 129 proven. 7 refuted. 0 times theorem prover too weak. 1254 trivial. 0 not checked. [2021-10-29 03:58:52,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:58:52,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 50 states and 82 transitions. [2021-10-29 03:58:52,033 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 82 transitions. [2021-10-29 03:58:52,033 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 03:58:52,033 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 43 iterations. [2021-10-29 03:58:52,042 INFO L759 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-10-29 03:58:53,133 INFO L565 CodeCheckObserver]: Invariant with dag size 66 [2021-10-29 03:58:53,145 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 03:58:53,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 03:58:53 ImpRootNode [2021-10-29 03:58:53,145 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 03:58:53,146 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 03:58:53,146 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 03:58:53,146 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 03:58:53,147 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:58:18" (3/4) ... [2021-10-29 03:58:53,150 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 03:58:53,155 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2021-10-29 03:58:53,159 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2021-10-29 03:58:53,160 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-29 03:58:53,160 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-29 03:58:53,160 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 03:58:53,219 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f3fb3d8-ce0d-44ae-8412-9ecb6c980fff/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 03:58:53,219 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 03:58:53,221 INFO L168 Benchmark]: Toolchain (without parser) took 35939.61 ms. Allocated memory was 102.8 MB in the beginning and 327.2 MB in the end (delta: 224.4 MB). Free memory was 68.2 MB in the beginning and 260.7 MB in the end (delta: -192.5 MB). Peak memory consumption was 202.3 MB. Max. memory is 16.1 GB. [2021-10-29 03:58:53,221 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 102.8 MB. Free memory was 73.6 MB in the beginning and 73.6 MB in the end (delta: 29.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:58:53,222 INFO L168 Benchmark]: CACSL2BoogieTranslator took 333.98 ms. Allocated memory is still 102.8 MB. Free memory was 67.9 MB in the beginning and 78.1 MB in the end (delta: -10.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 03:58:53,223 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.87 ms. Allocated memory is still 102.8 MB. Free memory was 78.1 MB in the beginning and 76.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:58:53,224 INFO L168 Benchmark]: Boogie Preprocessor took 46.30 ms. Allocated memory is still 102.8 MB. Free memory was 76.5 MB in the beginning and 75.4 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:58:53,224 INFO L168 Benchmark]: RCFGBuilder took 392.98 ms. Allocated memory is still 102.8 MB. Free memory was 75.4 MB in the beginning and 63.5 MB in the end (delta: 11.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 03:58:53,225 INFO L168 Benchmark]: CodeCheck took 35029.22 ms. Allocated memory was 102.8 MB in the beginning and 327.2 MB in the end (delta: 224.4 MB). Free memory was 63.5 MB in the beginning and 92.8 MB in the end (delta: -29.2 MB). Peak memory consumption was 197.9 MB. Max. memory is 16.1 GB. [2021-10-29 03:58:53,230 INFO L168 Benchmark]: Witness Printer took 73.19 ms. Allocated memory is still 327.2 MB. Free memory was 92.8 MB in the beginning and 260.7 MB in the end (delta: -168.0 MB). Peak memory consumption was 3.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:58:53,234 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, 17 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 33.8s, OverallIterations: 43, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 SDtfs, -1662567932 SDslu, 692736768 SDs, 0 SdLazy, -2069270826 SolverSat, -1930723958 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 34.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 20935 GetRequests, 20075 SyntacticMatches, 604 SemanticMatches, 256 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39216 ImplicationChecksByTransitivity, 17.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.3s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 14.6s InterpolantComputationTime, 3210 NumberOfCodeBlocks, 3210 NumberOfCodeBlocksAsserted, 42 NumberOfCheckSat, 3168 ConstructedInterpolants, 0 QuantifiedInterpolants, 9167 SizeOfPredicates, 67 NumberOfNonLiveVariables, 8176 ConjunctsInSsa, 776 ConjunctsInUnsatCore, 42 InterpolantComputations, 3 PerfectInterpolantSequences, 18484/19730 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: 14]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((((((s == 36 && a == 5) || (t == 9 && s == 25)) || (s == 2 * a + 2 && a == 1)) || (s == 64 && a == 7)) || (a == 6 && s == 49)) || ((((((!(t == 13 && a == 6) && !(a == 4 && t == 9)) && !(t == 15 && a == 7)) && !(a == 1 && t == 2 * a + 1)) && !(t == 11 && a == 5)) && !(a == 3 && t == 7)) && !(t == 5 && a == 2))) || (s == 16 && t == 7)) || (a == 2 && s == 9) - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 102.8 MB. Free memory was 73.6 MB in the beginning and 73.6 MB in the end (delta: 29.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 333.98 ms. Allocated memory is still 102.8 MB. Free memory was 67.9 MB in the beginning and 78.1 MB in the end (delta: -10.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 46.87 ms. Allocated memory is still 102.8 MB. Free memory was 78.1 MB in the beginning and 76.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 46.30 ms. Allocated memory is still 102.8 MB. Free memory was 76.5 MB in the beginning and 75.4 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 392.98 ms. Allocated memory is still 102.8 MB. Free memory was 75.4 MB in the beginning and 63.5 MB in the end (delta: 11.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * CodeCheck took 35029.22 ms. Allocated memory was 102.8 MB in the beginning and 327.2 MB in the end (delta: 224.4 MB). Free memory was 63.5 MB in the beginning and 92.8 MB in the end (delta: -29.2 MB). Peak memory consumption was 197.9 MB. Max. memory is 16.1 GB. * Witness Printer took 73.19 ms. Allocated memory is still 327.2 MB. Free memory was 92.8 MB in the beginning and 260.7 MB in the end (delta: -168.0 MB). Peak memory consumption was 3.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! [2021-10-29 03:58:53,264 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f3fb3d8-ce0d-44ae-8412-9ecb6c980fff/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request...