./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.4.ufo.BOUNDED-8.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0a5372-7b18-4c28-8fde-fc4c81d13df5/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0a5372-7b18-4c28-8fde-fc4c81d13df5/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0a5372-7b18-4c28-8fde-fc4c81d13df5/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0a5372-7b18-4c28-8fde-fc4c81d13df5/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.4.ufo.BOUNDED-8.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0a5372-7b18-4c28-8fde-fc4c81d13df5/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0a5372-7b18-4c28-8fde-fc4c81d13df5/bin/ukojak-rkRKPMF4O4 --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 9a8265a1502e23b0364b9cd16198377a0ca498fc346156a58eeb954c0e23f901 --- 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-2329fc7 [2022-12-14 18:08:24,802 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 18:08:24,804 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 18:08:24,823 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 18:08:24,824 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 18:08:24,825 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 18:08:24,826 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 18:08:24,828 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 18:08:24,829 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 18:08:24,830 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 18:08:24,831 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 18:08:24,832 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 18:08:24,833 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 18:08:24,834 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 18:08:24,835 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 18:08:24,836 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 18:08:24,837 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 18:08:24,838 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 18:08:24,840 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 18:08:24,841 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 18:08:24,843 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 18:08:24,844 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 18:08:24,845 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 18:08:24,846 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 18:08:24,850 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 18:08:24,850 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 18:08:24,851 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 18:08:24,852 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 18:08:24,852 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 18:08:24,853 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 18:08:24,853 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 18:08:24,854 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 18:08:24,855 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 18:08:24,856 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 18:08:24,857 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 18:08:24,857 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 18:08:24,858 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 18:08:24,858 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 18:08:24,858 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 18:08:24,859 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 18:08:24,860 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 18:08:24,860 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0a5372-7b18-4c28-8fde-fc4c81d13df5/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-14 18:08:24,875 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 18:08:24,875 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 18:08:24,876 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 18:08:24,876 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 18:08:24,876 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 18:08:24,876 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 18:08:24,876 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 18:08:24,877 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 18:08:24,877 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 18:08:24,877 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 18:08:24,877 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 18:08:24,877 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 18:08:24,877 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 18:08:24,877 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 18:08:24,877 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 18:08:24,877 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 18:08:24,878 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 18:08:24,878 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 18:08:24,878 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 18:08:24,878 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 18:08:24,878 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 18:08:24,878 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 18:08:24,878 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 18:08:24,878 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 18:08:24,879 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 18:08:24,879 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 18:08:24,879 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 18:08:24,879 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 18:08:24,879 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_ba0a5372-7b18-4c28-8fde-fc4c81d13df5/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0a5372-7b18-4c28-8fde-fc4c81d13df5/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9a8265a1502e23b0364b9cd16198377a0ca498fc346156a58eeb954c0e23f901 [2022-12-14 18:08:25,043 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 18:08:25,063 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 18:08:25,066 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 18:08:25,067 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 18:08:25,067 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 18:08:25,068 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0a5372-7b18-4c28-8fde-fc4c81d13df5/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/seq-mthreaded/pals_lcr.4.ufo.BOUNDED-8.pals.c [2022-12-14 18:08:27,717 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 18:08:27,863 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 18:08:27,864 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0a5372-7b18-4c28-8fde-fc4c81d13df5/sv-benchmarks/c/seq-mthreaded/pals_lcr.4.ufo.BOUNDED-8.pals.c [2022-12-14 18:08:27,869 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0a5372-7b18-4c28-8fde-fc4c81d13df5/bin/ukojak-rkRKPMF4O4/data/998ec8796/4ece8b73d4df4e2bb3a6f4dcb904c0c8/FLAG14b0170a7 [2022-12-14 18:08:27,884 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0a5372-7b18-4c28-8fde-fc4c81d13df5/bin/ukojak-rkRKPMF4O4/data/998ec8796/4ece8b73d4df4e2bb3a6f4dcb904c0c8 [2022-12-14 18:08:27,886 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 18:08:27,887 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 18:08:27,889 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 18:08:27,889 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 18:08:27,892 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 18:08:27,893 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:08:27" (1/1) ... [2022-12-14 18:08:27,893 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@401e1e3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:08:27, skipping insertion in model container [2022-12-14 18:08:27,894 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:08:27" (1/1) ... [2022-12-14 18:08:27,899 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 18:08:27,918 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 18:08:28,064 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0a5372-7b18-4c28-8fde-fc4c81d13df5/sv-benchmarks/c/seq-mthreaded/pals_lcr.4.ufo.BOUNDED-8.pals.c[8209,8222] [2022-12-14 18:08:28,067 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 18:08:28,075 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 18:08:28,104 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0a5372-7b18-4c28-8fde-fc4c81d13df5/sv-benchmarks/c/seq-mthreaded/pals_lcr.4.ufo.BOUNDED-8.pals.c[8209,8222] [2022-12-14 18:08:28,104 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 18:08:28,125 INFO L208 MainTranslator]: Completed translation [2022-12-14 18:08:28,125 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:08:28 WrapperNode [2022-12-14 18:08:28,125 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 18:08:28,126 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 18:08:28,126 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 18:08:28,127 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 18:08:28,132 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:08:28" (1/1) ... [2022-12-14 18:08:28,138 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:08:28" (1/1) ... [2022-12-14 18:08:28,161 INFO L138 Inliner]: procedures = 22, calls = 14, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 258 [2022-12-14 18:08:28,162 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 18:08:28,162 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 18:08:28,162 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 18:08:28,162 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 18:08:28,170 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:08:28" (1/1) ... [2022-12-14 18:08:28,170 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:08:28" (1/1) ... [2022-12-14 18:08:28,172 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:08:28" (1/1) ... [2022-12-14 18:08:28,172 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:08:28" (1/1) ... [2022-12-14 18:08:28,175 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:08:28" (1/1) ... [2022-12-14 18:08:28,179 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:08:28" (1/1) ... [2022-12-14 18:08:28,180 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:08:28" (1/1) ... [2022-12-14 18:08:28,181 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:08:28" (1/1) ... [2022-12-14 18:08:28,183 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 18:08:28,183 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 18:08:28,184 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 18:08:28,184 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 18:08:28,184 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:08:28" (1/1) ... [2022-12-14 18:08:28,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 18:08:28,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0a5372-7b18-4c28-8fde-fc4c81d13df5/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 18:08:28,208 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0a5372-7b18-4c28-8fde-fc4c81d13df5/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 18:08:28,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0a5372-7b18-4c28-8fde-fc4c81d13df5/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 18:08:28,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 18:08:28,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 18:08:28,241 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 18:08:28,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 18:08:28,303 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 18:08:28,305 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 18:08:28,567 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 18:08:28,794 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 18:08:28,794 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 18:08:28,796 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:08:28 BoogieIcfgContainer [2022-12-14 18:08:28,796 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 18:08:28,797 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 18:08:28,797 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 18:08:28,804 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 18:08:28,804 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:08:28" (1/1) ... [2022-12-14 18:08:28,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 18:08:28,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:08:28,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2022-12-14 18:08:28,848 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2022-12-14 18:08:28,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 18:08:28,850 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:08:28,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:08:28,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:08:29,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:08:29,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:08:29,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 14 states and 20 transitions. [2022-12-14 18:08:29,702 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 20 transitions. [2022-12-14 18:08:29,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 18:08:29,703 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:08:29,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:08:29,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:08:29,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:08:30,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:08:30,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 17 states and 27 transitions. [2022-12-14 18:08:30,177 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 27 transitions. [2022-12-14 18:08:30,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 18:08:30,178 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:08:30,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:08:30,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:08:30,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:08:30,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:08:30,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 21 states and 35 transitions. [2022-12-14 18:08:30,996 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 35 transitions. [2022-12-14 18:08:30,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 18:08:30,998 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:08:30,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:08:31,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:08:31,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:08:31,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:08:31,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 24 states and 40 transitions. [2022-12-14 18:08:31,492 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 40 transitions. [2022-12-14 18:08:31,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 18:08:31,492 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:08:31,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:08:31,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:08:33,620 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:08:36,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:08:36,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 34 states and 62 transitions. [2022-12-14 18:08:36,624 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 62 transitions. [2022-12-14 18:08:36,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 18:08:36,625 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:08:36,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:08:36,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:08:38,733 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:08:43,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:08:43,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 43 states and 79 transitions. [2022-12-14 18:08:43,312 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 79 transitions. [2022-12-14 18:08:43,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 18:08:43,313 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:08:43,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:08:43,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:08:43,554 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:08:45,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:08:45,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 51 states and 98 transitions. [2022-12-14 18:08:45,482 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 98 transitions. [2022-12-14 18:08:45,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 18:08:45,482 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:08:45,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:08:45,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:08:47,373 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:08:51,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:08:51,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 62 states and 116 transitions. [2022-12-14 18:08:51,514 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 116 transitions. [2022-12-14 18:08:51,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 18:08:51,514 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:08:51,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:08:51,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:08:52,464 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:08:58,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:08:58,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 73 states and 152 transitions. [2022-12-14 18:08:58,696 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 152 transitions. [2022-12-14 18:08:58,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 18:08:58,696 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:08:58,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:08:58,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:09:00,008 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:09:06,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:09:06,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 84 states and 180 transitions. [2022-12-14 18:09:06,041 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 180 transitions. [2022-12-14 18:09:06,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 18:09:06,042 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:09:06,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:09:06,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:09:06,645 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:09:08,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:09:08,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 88 states and 198 transitions. [2022-12-14 18:09:08,933 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 198 transitions. [2022-12-14 18:09:08,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 18:09:08,934 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:09:08,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:09:08,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:09:10,753 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:09:17,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:09:17,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 99 states and 228 transitions. [2022-12-14 18:09:17,322 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 228 transitions. [2022-12-14 18:09:17,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 18:09:17,323 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:09:17,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:09:17,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:09:18,433 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:09:20,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:09:20,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 102 states and 235 transitions. [2022-12-14 18:09:20,029 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 235 transitions. [2022-12-14 18:09:20,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 18:09:20,031 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:09:20,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:09:20,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:09:20,262 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:09:21,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:09:21,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 104 states and 240 transitions. [2022-12-14 18:09:21,015 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 240 transitions. [2022-12-14 18:09:21,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 18:09:21,015 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:09:21,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:09:21,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:09:22,639 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:09:29,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:09:29,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 119 states and 268 transitions. [2022-12-14 18:09:29,697 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 268 transitions. [2022-12-14 18:09:29,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 18:09:29,698 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:09:29,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:09:29,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:09:30,250 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:09:30,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:09:30,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 120 states and 272 transitions. [2022-12-14 18:09:30,907 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 272 transitions. [2022-12-14 18:09:30,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 18:09:30,908 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:09:30,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:09:30,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:09:32,739 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:09:35,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:09:35,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 125 states and 281 transitions. [2022-12-14 18:09:35,276 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 281 transitions. [2022-12-14 18:09:35,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-14 18:09:35,276 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:09:35,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:09:35,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:09:35,631 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-12-14 18:09:35,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:09:35,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 125 states and 280 transitions. [2022-12-14 18:09:35,674 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 280 transitions. [2022-12-14 18:09:35,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 18:09:35,675 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:09:35,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:09:35,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:09:54,724 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:10:47,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:10:47,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 151 states and 366 transitions. [2022-12-14 18:10:47,241 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 366 transitions. [2022-12-14 18:10:47,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 18:10:47,242 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:10:47,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:10:47,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:11:08,960 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:12:34,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:12:34,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 176 states and 451 transitions. [2022-12-14 18:12:34,389 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 451 transitions. [2022-12-14 18:12:34,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 18:12:34,390 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:12:34,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:12:34,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:12:47,500 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:14:12,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:14:12,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 199 states and 533 transitions. [2022-12-14 18:14:12,539 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 533 transitions. [2022-12-14 18:14:12,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 18:14:12,540 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:14:12,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:14:12,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:14:28,369 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:16:07,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:16:07,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 223 states and 608 transitions. [2022-12-14 18:16:07,886 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 608 transitions. [2022-12-14 18:16:07,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 18:16:07,887 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:16:07,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:16:08,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:16:56,161 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:18:52,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:18:52,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 686 states to 247 states and 686 transitions. [2022-12-14 18:18:52,909 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 686 transitions. [2022-12-14 18:18:52,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 18:18:52,909 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:18:52,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:18:52,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:18:56,974 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:19:46,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:19:46,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 720 states to 260 states and 720 transitions. [2022-12-14 18:19:46,379 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 720 transitions. [2022-12-14 18:19:46,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 18:19:46,379 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:19:46,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:19:46,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:21:19,636 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:22:23,061 WARN L233 SmtUtils]: Spent 5.08s on a formula simplification. DAG size of input: 477 DAG size of output: 324 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 18:22:29,690 WARN L233 SmtUtils]: Spent 5.94s on a formula simplification. DAG size of input: 479 DAG size of output: 378 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 18:22:48,671 WARN L233 SmtUtils]: Spent 5.48s on a formula simplification. DAG size of input: 480 DAG size of output: 379 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)