./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound5.c --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_4da03215-7806-4e6d-8aad-120c55c03e98/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da03215-7806-4e6d-8aad-120c55c03e98/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_4da03215-7806-4e6d-8aad-120c55c03e98/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da03215-7806-4e6d-8aad-120c55c03e98/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da03215-7806-4e6d-8aad-120c55c03e98/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_4da03215-7806-4e6d-8aad-120c55c03e98/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 173419c809fa8cb7fa094fdfc7b5765802a9a2fdebfe9d0a53cd745fd0c573d2 --- 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 16:46:32,881 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:46:32,883 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:46:32,919 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:46:32,919 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:46:32,921 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:46:32,923 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:46:32,926 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:46:32,929 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:46:32,930 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:46:32,932 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:46:32,933 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:46:32,934 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:46:32,936 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:46:32,937 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:46:32,939 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:46:32,940 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:46:32,942 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:46:32,945 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:46:32,948 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:46:32,950 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:46:32,952 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:46:32,954 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:46:32,955 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:46:32,961 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:46:32,962 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:46:32,962 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:46:32,964 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:46:32,964 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:46:32,966 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:46:32,966 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:46:32,968 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:46:32,969 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:46:32,970 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:46:32,971 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:46:32,972 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:46:32,973 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:46:32,974 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:46:32,974 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:46:32,975 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:46:32,977 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:46:32,978 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da03215-7806-4e6d-8aad-120c55c03e98/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:46:33,013 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:46:33,018 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:46:33,019 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:46:33,020 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:46:33,021 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:46:33,021 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:46:33,022 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:46:33,022 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:46:33,022 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:46:33,023 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:46:33,023 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:46:33,023 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:46:33,024 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:46:33,024 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:46:33,024 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:46:33,025 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:46:33,025 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:46:33,026 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:46:33,026 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:46:33,026 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:46:33,027 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:46:33,027 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:46:33,028 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:46:33,028 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:46:33,028 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:46:33,029 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:46:33,029 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:46:33,029 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:46:33,030 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_4da03215-7806-4e6d-8aad-120c55c03e98/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da03215-7806-4e6d-8aad-120c55c03e98/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 173419c809fa8cb7fa094fdfc7b5765802a9a2fdebfe9d0a53cd745fd0c573d2 [2022-10-17 16:46:33,326 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:46:33,356 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:46:33,360 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:46:33,361 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:46:33,363 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:46:33,366 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da03215-7806-4e6d-8aad-120c55c03e98/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound5.c [2022-10-17 16:46:33,440 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da03215-7806-4e6d-8aad-120c55c03e98/bin/ukojak-92XMlrwhuB/data/2aa39bdfb/eb0aa44d987c4c779c4ca64e74cb877f/FLAG98e795a78 [2022-10-17 16:46:33,933 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:46:33,934 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da03215-7806-4e6d-8aad-120c55c03e98/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound5.c [2022-10-17 16:46:33,945 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da03215-7806-4e6d-8aad-120c55c03e98/bin/ukojak-92XMlrwhuB/data/2aa39bdfb/eb0aa44d987c4c779c4ca64e74cb877f/FLAG98e795a78 [2022-10-17 16:46:34,287 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da03215-7806-4e6d-8aad-120c55c03e98/bin/ukojak-92XMlrwhuB/data/2aa39bdfb/eb0aa44d987c4c779c4ca64e74cb877f [2022-10-17 16:46:34,290 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:46:34,291 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:46:34,293 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:46:34,293 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:46:34,297 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:46:34,298 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:46:34" (1/1) ... [2022-10-17 16:46:34,299 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4de36300 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:34, skipping insertion in model container [2022-10-17 16:46:34,300 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:46:34" (1/1) ... [2022-10-17 16:46:34,308 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:46:34,325 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:46:34,526 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_4da03215-7806-4e6d-8aad-120c55c03e98/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound5.c[588,601] [2022-10-17 16:46:34,550 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:46:34,560 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:46:34,572 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_4da03215-7806-4e6d-8aad-120c55c03e98/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound5.c[588,601] [2022-10-17 16:46:34,583 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:46:34,597 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:46:34,598 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:34 WrapperNode [2022-10-17 16:46:34,598 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:46:34,599 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:46:34,600 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:46:34,600 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:46:34,611 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:34" (1/1) ... [2022-10-17 16:46:34,631 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:34" (1/1) ... [2022-10-17 16:46:34,661 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 49 [2022-10-17 16:46:34,662 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:46:34,663 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:46:34,663 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:46:34,663 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:46:34,673 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:34" (1/1) ... [2022-10-17 16:46:34,673 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:34" (1/1) ... [2022-10-17 16:46:34,675 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:34" (1/1) ... [2022-10-17 16:46:34,675 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:34" (1/1) ... [2022-10-17 16:46:34,679 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:34" (1/1) ... [2022-10-17 16:46:34,682 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:34" (1/1) ... [2022-10-17 16:46:34,684 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:34" (1/1) ... [2022-10-17 16:46:34,685 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:34" (1/1) ... [2022-10-17 16:46:34,687 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:46:34,688 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:46:34,688 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:46:34,688 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:46:34,690 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:34" (1/1) ... [2022-10-17 16:46:34,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:46:34,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da03215-7806-4e6d-8aad-120c55c03e98/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:46:34,730 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da03215-7806-4e6d-8aad-120c55c03e98/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:46:34,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da03215-7806-4e6d-8aad-120c55c03e98/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:46:34,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:46:34,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:46:34,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:46:34,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:46:34,781 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-17 16:46:34,782 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-17 16:46:34,848 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:46:34,850 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:46:35,040 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:46:35,074 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:46:35,075 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:46:35,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:46:35 BoogieIcfgContainer [2022-10-17 16:46:35,091 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:46:35,092 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:46:35,092 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:46:35,116 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:46:35,116 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:46:35" (1/1) ... [2022-10-17 16:46:35,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:46:35,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:35,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 23 states and 36 transitions. [2022-10-17 16:46:35,255 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 36 transitions. [2022-10-17 16:46:35,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:46:35,256 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:35,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:35,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:35,391 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 16:46:35,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:35,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 23 states and 34 transitions. [2022-10-17 16:46:35,415 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 34 transitions. [2022-10-17 16:46:35,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:46:35,416 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:35,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:35,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:35,570 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 16:46:35,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:35,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 37 transitions. [2022-10-17 16:46:35,617 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2022-10-17 16:46:35,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:46:35,617 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:35,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:35,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:35,908 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 16:46:36,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:36,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 30 states and 53 transitions. [2022-10-17 16:46:36,310 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 53 transitions. [2022-10-17 16:46:36,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:46:36,315 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:36,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:36,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:36,388 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:46:36,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:46:36,553 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:46:37,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:37,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 34 states and 61 transitions. [2022-10-17 16:46:37,067 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 61 transitions. [2022-10-17 16:46:37,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:46:37,068 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:37,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:37,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:37,098 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:46:37,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:46:37,187 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:46:37,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:37,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 39 states and 72 transitions. [2022-10-17 16:46:37,865 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 72 transitions. [2022-10-17 16:46:37,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:46:37,868 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:37,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:37,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:37,915 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-17 16:46:37,919 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:46:38,077 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:46:38,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:38,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 41 states and 77 transitions. [2022-10-17 16:46:38,374 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 77 transitions. [2022-10-17 16:46:38,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-17 16:46:38,375 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:38,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:38,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:38,433 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:46:38,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:46:38,552 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-17 16:46:38,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:38,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 42 states and 80 transitions. [2022-10-17 16:46:38,628 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 80 transitions. [2022-10-17 16:46:38,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-10-17 16:46:38,630 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:38,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:38,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:38,683 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:46:38,686 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:46:38,807 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 9 proven. 13 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-10-17 16:46:39,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:39,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 43 states and 79 transitions. [2022-10-17 16:46:39,436 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 79 transitions. [2022-10-17 16:46:39,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-10-17 16:46:39,437 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:39,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:39,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:39,471 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:46:39,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:46:39,645 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-10-17 16:46:41,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:41,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 55 states and 129 transitions. [2022-10-17 16:46:41,198 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 129 transitions. [2022-10-17 16:46:41,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-10-17 16:46:41,200 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:41,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:41,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:41,229 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:46:41,232 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:46:41,380 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-10-17 16:46:42,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:42,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 58 states and 134 transitions. [2022-10-17 16:46:42,048 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 134 transitions. [2022-10-17 16:46:42,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-17 16:46:42,052 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:42,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:42,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:42,100 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:46:42,102 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:46:42,181 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-10-17 16:46:42,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:42,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 60 states and 145 transitions. [2022-10-17 16:46:42,726 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 145 transitions. [2022-10-17 16:46:42,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-17 16:46:42,727 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:42,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:42,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:42,768 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 13 conjunts are in the unsatisfiable core [2022-10-17 16:46:42,771 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:46:42,963 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-10-17 16:46:44,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:44,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 64 states and 157 transitions. [2022-10-17 16:46:44,120 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 157 transitions. [2022-10-17 16:46:44,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-17 16:46:44,122 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:44,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:44,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:44,173 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 13 conjunts are in the unsatisfiable core [2022-10-17 16:46:44,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:46:44,339 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-10-17 16:46:44,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:44,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 64 states and 156 transitions. [2022-10-17 16:46:44,833 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 156 transitions. [2022-10-17 16:46:44,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 16:46:44,837 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:44,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:44,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:44,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:46:44,892 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:46:45,551 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-10-17 16:46:47,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:47,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 75 states and 190 transitions. [2022-10-17 16:46:47,763 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 190 transitions. [2022-10-17 16:46:47,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-17 16:46:47,765 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:47,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:47,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:47,800 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 13 conjunts are in the unsatisfiable core [2022-10-17 16:46:47,802 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:46:47,947 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 14 proven. 5 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-10-17 16:46:49,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:49,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 78 states and 204 transitions. [2022-10-17 16:46:49,161 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 204 transitions. [2022-10-17 16:46:49,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-17 16:46:49,162 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:49,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:49,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:49,197 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 13 conjunts are in the unsatisfiable core [2022-10-17 16:46:49,199 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:46:49,265 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 14 proven. 5 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-10-17 16:46:49,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:49,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 78 states and 203 transitions. [2022-10-17 16:46:49,749 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 203 transitions. [2022-10-17 16:46:49,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-17 16:46:49,750 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:49,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:49,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:49,787 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-17 16:46:49,788 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:46:49,865 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-10-17 16:46:50,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:50,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 80 states and 213 transitions. [2022-10-17 16:46:50,145 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 213 transitions. [2022-10-17 16:46:50,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-17 16:46:50,146 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:50,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:50,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:50,183 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 13 conjunts are in the unsatisfiable core [2022-10-17 16:46:50,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:46:50,357 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 16 proven. 6 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-10-17 16:46:51,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:51,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 81 states and 217 transitions. [2022-10-17 16:46:51,048 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 217 transitions. [2022-10-17 16:46:51,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-17 16:46:51,050 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:51,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:51,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:51,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:46:51,083 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:46:51,520 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 29 proven. 13 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-17 16:46:51,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:51,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 82 states and 219 transitions. [2022-10-17 16:46:51,800 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 219 transitions. [2022-10-17 16:46:51,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-17 16:46:51,801 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:51,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:51,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:51,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:46:51,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:46:51,990 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 18 proven. 7 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2022-10-17 16:46:52,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:52,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 83 states and 225 transitions. [2022-10-17 16:46:52,937 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 225 transitions. [2022-10-17 16:46:52,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-17 16:46:52,938 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:52,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:52,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:52,973 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:46:52,975 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:46:53,476 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 28 proven. 19 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-10-17 16:46:55,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:55,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 85 states and 231 transitions. [2022-10-17 16:46:55,325 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 231 transitions. [2022-10-17 16:46:55,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-17 16:46:55,329 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:55,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:55,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:55,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:46:55,372 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:46:55,409 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 39 proven. 13 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2022-10-17 16:46:55,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:55,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 85 states and 229 transitions. [2022-10-17 16:46:55,815 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 229 transitions. [2022-10-17 16:46:55,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-17 16:46:55,817 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:55,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:55,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:55,858 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:46:55,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:46:56,076 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 20 proven. 112 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2022-10-17 16:46:58,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:58,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 97 states and 320 transitions. [2022-10-17 16:46:58,573 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 320 transitions. [2022-10-17 16:46:58,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-17 16:46:58,575 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:58,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:58,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:58,657 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 15 conjunts are in the unsatisfiable core [2022-10-17 16:46:58,660 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:46:58,826 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 20 proven. 14 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2022-10-17 16:46:59,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:59,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 100 states and 325 transitions. [2022-10-17 16:46:59,860 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 325 transitions. [2022-10-17 16:46:59,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-17 16:46:59,862 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:59,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:59,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:59,917 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 15 conjunts are in the unsatisfiable core [2022-10-17 16:46:59,919 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:46:59,989 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 20 proven. 14 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2022-10-17 16:47:01,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:01,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 103 states and 331 transitions. [2022-10-17 16:47:01,265 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 331 transitions. [2022-10-17 16:47:01,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-17 16:47:01,266 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:01,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:01,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:01,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:47:01,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:47:01,456 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 20 proven. 112 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2022-10-17 16:47:01,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:01,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 103 states and 330 transitions. [2022-10-17 16:47:01,817 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 330 transitions. [2022-10-17 16:47:01,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-10-17 16:47:01,819 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:01,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:01,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:01,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 16 conjunts are in the unsatisfiable core [2022-10-17 16:47:01,862 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:47:02,317 WARN L640 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2022-10-17 16:47:02,352 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 22 proven. 8 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2022-10-17 16:47:05,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:05,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 111 states and 371 transitions. [2022-10-17 16:47:05,456 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 371 transitions. [2022-10-17 16:47:05,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-10-17 16:47:05,457 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:05,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:05,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:05,502 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 18 conjunts are in the unsatisfiable core [2022-10-17 16:47:05,504 INFO L286 TraceCheckSpWp]: Computing forward predicates...