./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-new/gauss_sum.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e27b0186-4897-4edf-8f9b-5905936f40fb/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e27b0186-4897-4edf-8f9b-5905936f40fb/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e27b0186-4897-4edf-8f9b-5905936f40fb/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e27b0186-4897-4edf-8f9b-5905936f40fb/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-new/gauss_sum.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e27b0186-4897-4edf-8f9b-5905936f40fb/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e27b0186-4897-4edf-8f9b-5905936f40fb/bin/ukojak-92XMlrwhuB --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 ac0c39e955880a6b0806ad5f8add28438e78eb47defb435342badf7c95feaa91 --- 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-dbf71c6-m [2022-10-17 16:58:30,870 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:58:30,873 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:58:30,905 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:58:30,905 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:58:30,907 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:58:30,909 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:58:30,911 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:58:30,913 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:58:30,915 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:58:30,916 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:58:30,918 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:58:30,919 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:58:30,920 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:58:30,922 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:58:30,923 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:58:30,925 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:58:30,926 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:58:30,929 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:58:30,932 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:58:30,934 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:58:30,936 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:58:30,937 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:58:30,939 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:58:30,952 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:58:30,952 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:58:30,953 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:58:30,954 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:58:30,954 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:58:30,956 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:58:30,956 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:58:30,957 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:58:30,958 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:58:30,959 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:58:30,960 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:58:30,961 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:58:30,962 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:58:30,965 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:58:30,965 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:58:30,966 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:58:30,967 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:58:30,968 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e27b0186-4897-4edf-8f9b-5905936f40fb/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:58:31,009 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:58:31,009 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:58:31,010 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:58:31,010 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:58:31,011 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:58:31,011 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:58:31,011 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:58:31,012 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:58:31,012 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:58:31,012 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:58:31,012 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:58:31,012 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:58:31,012 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:58:31,013 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:58:31,013 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:58:31,013 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:58:31,013 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:58:31,013 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:58:31,014 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:58:31,014 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:58:31,014 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:58:31,014 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:58:31,014 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:58:31,015 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:58:31,015 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:58:31,015 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:58:31,015 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:58:31,015 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:58:31,016 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_e27b0186-4897-4edf-8f9b-5905936f40fb/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e27b0186-4897-4edf-8f9b-5905936f40fb/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ac0c39e955880a6b0806ad5f8add28438e78eb47defb435342badf7c95feaa91 [2022-10-17 16:58:31,279 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:58:31,304 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:58:31,308 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:58:31,309 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:58:31,311 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:58:31,313 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e27b0186-4897-4edf-8f9b-5905936f40fb/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/loop-new/gauss_sum.i [2022-10-17 16:58:31,414 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e27b0186-4897-4edf-8f9b-5905936f40fb/bin/ukojak-92XMlrwhuB/data/f245c93bd/e054e93bfa2e4fdea7c247ed2027c034/FLAG8f09e5298 [2022-10-17 16:58:31,896 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:58:31,897 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e27b0186-4897-4edf-8f9b-5905936f40fb/sv-benchmarks/c/loop-new/gauss_sum.i [2022-10-17 16:58:31,903 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e27b0186-4897-4edf-8f9b-5905936f40fb/bin/ukojak-92XMlrwhuB/data/f245c93bd/e054e93bfa2e4fdea7c247ed2027c034/FLAG8f09e5298 [2022-10-17 16:58:32,254 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e27b0186-4897-4edf-8f9b-5905936f40fb/bin/ukojak-92XMlrwhuB/data/f245c93bd/e054e93bfa2e4fdea7c247ed2027c034 [2022-10-17 16:58:32,257 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:58:32,259 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:58:32,265 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:58:32,265 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:58:32,269 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:58:32,270 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:58:32" (1/1) ... [2022-10-17 16:58:32,272 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d7bedb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:32, skipping insertion in model container [2022-10-17 16:58:32,273 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:58:32" (1/1) ... [2022-10-17 16:58:32,281 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:58:32,296 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:58:32,490 WARN L230 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_e27b0186-4897-4edf-8f9b-5905936f40fb/sv-benchmarks/c/loop-new/gauss_sum.i[891,904] [2022-10-17 16:58:32,513 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:58:32,523 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:58:32,539 WARN L230 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_e27b0186-4897-4edf-8f9b-5905936f40fb/sv-benchmarks/c/loop-new/gauss_sum.i[891,904] [2022-10-17 16:58:32,546 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:58:32,562 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:58:32,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:32 WrapperNode [2022-10-17 16:58:32,564 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:58:32,565 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:58:32,565 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:58:32,567 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:58:32,577 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:32" (1/1) ... [2022-10-17 16:58:32,585 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:32" (1/1) ... [2022-10-17 16:58:32,613 INFO L138 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 37 [2022-10-17 16:58:32,613 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:58:32,614 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:58:32,614 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:58:32,615 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:58:32,624 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:32" (1/1) ... [2022-10-17 16:58:32,624 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:32" (1/1) ... [2022-10-17 16:58:32,626 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:32" (1/1) ... [2022-10-17 16:58:32,627 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:32" (1/1) ... [2022-10-17 16:58:32,638 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:32" (1/1) ... [2022-10-17 16:58:32,644 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:32" (1/1) ... [2022-10-17 16:58:32,646 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:32" (1/1) ... [2022-10-17 16:58:32,647 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:32" (1/1) ... [2022-10-17 16:58:32,655 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:58:32,658 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:58:32,659 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:58:32,659 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:58:32,661 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:32" (1/1) ... [2022-10-17 16:58:32,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:58:32,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e27b0186-4897-4edf-8f9b-5905936f40fb/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:58:32,704 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e27b0186-4897-4edf-8f9b-5905936f40fb/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:58:32,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e27b0186-4897-4edf-8f9b-5905936f40fb/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:58:32,779 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:58:32,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:58:32,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:58:32,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:58:32,851 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:58:32,854 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:58:32,974 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:58:33,002 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:58:33,002 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:58:33,004 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:58:33 BoogieIcfgContainer [2022-10-17 16:58:33,005 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:58:33,006 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:58:33,006 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:58:33,025 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:58:33,026 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:58:33" (1/1) ... [2022-10-17 16:58:33,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:58:33,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:33,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2022-10-17 16:58:33,091 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2022-10-17 16:58:33,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:58:33,094 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:33,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:33,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:33,194 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 16:58:33,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:58:33,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:58:33,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:33,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 10 states and 12 transitions. [2022-10-17 16:58:33,317 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2022-10-17 16:58:33,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:58:33,317 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:33,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:33,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:33,358 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 12 conjunts are in the unsatisfiable core [2022-10-17 16:58:33,360 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:58:33,643 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:58:33,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:33,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2022-10-17 16:58:33,915 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2022-10-17 16:58:33,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:58:33,916 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:33,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:33,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:33,990 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 16 conjunts are in the unsatisfiable core [2022-10-17 16:58:33,994 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:58:34,216 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:58:34,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:34,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 13 states and 17 transitions. [2022-10-17 16:58:34,446 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 17 transitions. [2022-10-17 16:58:34,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:58:34,447 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:34,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:34,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:34,504 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 20 conjunts are in the unsatisfiable core [2022-10-17 16:58:34,507 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:58:34,676 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:58:35,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:35,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 14 states and 20 transitions. [2022-10-17 16:58:35,064 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 20 transitions. [2022-10-17 16:58:35,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:58:35,068 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:35,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:35,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:35,117 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 24 conjunts are in the unsatisfiable core [2022-10-17 16:58:35,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:58:35,275 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:58:35,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:35,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 16 states and 24 transitions. [2022-10-17 16:58:35,722 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 24 transitions. [2022-10-17 16:58:35,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:58:35,723 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:35,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:35,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:35,752 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 28 conjunts are in the unsatisfiable core [2022-10-17 16:58:35,754 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:58:35,942 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:58:36,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:36,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 18 states and 28 transitions. [2022-10-17 16:58:36,428 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 28 transitions. [2022-10-17 16:58:36,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:58:36,429 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:36,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:36,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:36,476 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 32 conjunts are in the unsatisfiable core [2022-10-17 16:58:36,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:58:36,679 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:58:37,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:37,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 20 states and 32 transitions. [2022-10-17 16:58:37,270 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 32 transitions. [2022-10-17 16:58:37,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:58:37,270 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:37,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:37,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:37,303 WARN L261 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 36 conjunts are in the unsatisfiable core [2022-10-17 16:58:37,304 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:58:37,520 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:58:38,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:38,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 22 states and 36 transitions. [2022-10-17 16:58:38,205 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 36 transitions. [2022-10-17 16:58:38,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:58:38,206 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:38,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:38,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:38,234 WARN L261 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 41 conjunts are in the unsatisfiable core [2022-10-17 16:58:38,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:58:38,852 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:58:40,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:40,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 24 states and 40 transitions. [2022-10-17 16:58:40,213 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 40 transitions. [2022-10-17 16:58:40,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:58:40,214 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:40,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:40,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:40,245 WARN L261 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 44 conjunts are in the unsatisfiable core [2022-10-17 16:58:40,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:58:40,593 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:58:41,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:41,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 26 states and 44 transitions. [2022-10-17 16:58:41,813 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 44 transitions. [2022-10-17 16:58:41,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:58:41,814 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:41,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:41,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:41,864 WARN L261 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 48 conjunts are in the unsatisfiable core [2022-10-17 16:58:41,866 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:58:42,114 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:58:43,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:43,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 28 states and 48 transitions. [2022-10-17 16:58:43,275 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 48 transitions. [2022-10-17 16:58:43,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:58:43,276 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:43,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:43,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:43,306 WARN L261 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 52 conjunts are in the unsatisfiable core [2022-10-17 16:58:43,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:58:43,669 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:58:44,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:44,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 30 states and 52 transitions. [2022-10-17 16:58:44,728 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 52 transitions. [2022-10-17 16:58:44,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:58:44,729 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:44,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:44,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:44,762 WARN L261 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 56 conjunts are in the unsatisfiable core [2022-10-17 16:58:44,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:58:45,269 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:58:46,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:46,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 32 states and 56 transitions. [2022-10-17 16:58:46,396 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 56 transitions. [2022-10-17 16:58:46,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:58:46,397 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:46,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:46,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:46,430 WARN L261 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 60 conjunts are in the unsatisfiable core [2022-10-17 16:58:46,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:58:46,915 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:58:48,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:48,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 34 states and 60 transitions. [2022-10-17 16:58:48,256 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 60 transitions. [2022-10-17 16:58:48,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 16:58:48,257 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:48,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:48,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:48,303 WARN L261 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 64 conjunts are in the unsatisfiable core [2022-10-17 16:58:48,305 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:58:48,987 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:58:50,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:50,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 36 states and 64 transitions. [2022-10-17 16:58:50,374 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 64 transitions. [2022-10-17 16:58:50,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:58:50,376 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:50,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:50,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:50,435 WARN L261 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 68 conjunts are in the unsatisfiable core [2022-10-17 16:58:50,437 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:58:51,231 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:58:52,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:52,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 38 states and 68 transitions. [2022-10-17 16:58:52,696 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 68 transitions. [2022-10-17 16:58:52,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 16:58:52,697 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:52,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:52,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:52,745 WARN L261 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 72 conjunts are in the unsatisfiable core [2022-10-17 16:58:52,750 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:58:53,457 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:58:55,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:55,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 40 states and 72 transitions. [2022-10-17 16:58:55,066 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 72 transitions. [2022-10-17 16:58:55,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:58:55,067 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:55,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:55,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:55,112 WARN L261 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 76 conjunts are in the unsatisfiable core [2022-10-17 16:58:55,114 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:58:56,067 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:58:57,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:57,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2022-10-17 16:58:57,826 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2022-10-17 16:58:57,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:58:57,827 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:57,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:57,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:57,859 WARN L261 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 80 conjunts are in the unsatisfiable core [2022-10-17 16:58:57,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:58:58,982 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:59:00,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:00,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 44 states and 80 transitions. [2022-10-17 16:59:00,947 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 80 transitions. [2022-10-17 16:59:00,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 16:59:00,948 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:00,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:01,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:01,022 WARN L261 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 84 conjunts are in the unsatisfiable core [2022-10-17 16:59:01,025 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:59:02,412 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:59:04,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:04,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 46 states and 84 transitions. [2022-10-17 16:59:04,580 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 84 transitions. [2022-10-17 16:59:04,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 16:59:04,581 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:04,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:04,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:04,635 WARN L261 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 88 conjunts are in the unsatisfiable core [2022-10-17 16:59:04,637 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:59:05,892 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.