./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.6.ufo.BOUNDED-12.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_4022672d-2838-411b-9909-d8763d0504e5/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4022672d-2838-411b-9909-d8763d0504e5/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_4022672d-2838-411b-9909-d8763d0504e5/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4022672d-2838-411b-9909-d8763d0504e5/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.6.ufo.BOUNDED-12.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4022672d-2838-411b-9909-d8763d0504e5/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_4022672d-2838-411b-9909-d8763d0504e5/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 65159196aa732cf84d788dcb31500c216d665703806e14a7c6f7047ab62d591b --- 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 19:38:09,839 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 19:38:09,841 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 19:38:09,853 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 19:38:09,854 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 19:38:09,854 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 19:38:09,855 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 19:38:09,856 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 19:38:09,857 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 19:38:09,858 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 19:38:09,858 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 19:38:09,859 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 19:38:09,859 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 19:38:09,860 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 19:38:09,861 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 19:38:09,861 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 19:38:09,862 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 19:38:09,862 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 19:38:09,863 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 19:38:09,864 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 19:38:09,865 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 19:38:09,866 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 19:38:09,867 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 19:38:09,867 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 19:38:09,869 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 19:38:09,870 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 19:38:09,870 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 19:38:09,871 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 19:38:09,871 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 19:38:09,871 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 19:38:09,872 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 19:38:09,872 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 19:38:09,873 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 19:38:09,873 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 19:38:09,874 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 19:38:09,874 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 19:38:09,874 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 19:38:09,874 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 19:38:09,874 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 19:38:09,875 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 19:38:09,875 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 19:38:09,876 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4022672d-2838-411b-9909-d8763d0504e5/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-14 19:38:09,896 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 19:38:09,896 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 19:38:09,897 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 19:38:09,897 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 19:38:09,898 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 19:38:09,898 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 19:38:09,898 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 19:38:09,898 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 19:38:09,899 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 19:38:09,899 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 19:38:09,899 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 19:38:09,899 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 19:38:09,899 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 19:38:09,899 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 19:38:09,900 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 19:38:09,900 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 19:38:09,900 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 19:38:09,900 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 19:38:09,900 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 19:38:09,900 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 19:38:09,900 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 19:38:09,900 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 19:38:09,901 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 19:38:09,901 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 19:38:09,901 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 19:38:09,901 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 19:38:09,901 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 19:38:09,901 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 19:38:09,901 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_4022672d-2838-411b-9909-d8763d0504e5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4022672d-2838-411b-9909-d8763d0504e5/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 65159196aa732cf84d788dcb31500c216d665703806e14a7c6f7047ab62d591b [2022-12-14 19:38:10,075 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 19:38:10,092 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 19:38:10,093 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 19:38:10,094 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 19:38:10,095 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 19:38:10,096 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4022672d-2838-411b-9909-d8763d0504e5/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/seq-mthreaded/pals_lcr.6.ufo.BOUNDED-12.pals.c [2022-12-14 19:38:12,679 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 19:38:12,842 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 19:38:12,843 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4022672d-2838-411b-9909-d8763d0504e5/sv-benchmarks/c/seq-mthreaded/pals_lcr.6.ufo.BOUNDED-12.pals.c [2022-12-14 19:38:12,852 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4022672d-2838-411b-9909-d8763d0504e5/bin/ukojak-rkRKPMF4O4/data/755ce23b7/d4947634b9094472bdad9b1bc7f2776d/FLAG4455c1c2d [2022-12-14 19:38:12,866 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4022672d-2838-411b-9909-d8763d0504e5/bin/ukojak-rkRKPMF4O4/data/755ce23b7/d4947634b9094472bdad9b1bc7f2776d [2022-12-14 19:38:12,868 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 19:38:12,869 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 19:38:12,871 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 19:38:12,871 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 19:38:12,874 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 19:38:12,874 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:38:12" (1/1) ... [2022-12-14 19:38:12,875 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4edcd113 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:38:12, skipping insertion in model container [2022-12-14 19:38:12,875 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:38:12" (1/1) ... [2022-12-14 19:38:12,882 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 19:38:12,910 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 19:38:13,114 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_4022672d-2838-411b-9909-d8763d0504e5/sv-benchmarks/c/seq-mthreaded/pals_lcr.6.ufo.BOUNDED-12.pals.c[15075,15088] [2022-12-14 19:38:13,119 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 19:38:13,130 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 19:38:13,180 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_4022672d-2838-411b-9909-d8763d0504e5/sv-benchmarks/c/seq-mthreaded/pals_lcr.6.ufo.BOUNDED-12.pals.c[15075,15088] [2022-12-14 19:38:13,181 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 19:38:13,196 INFO L208 MainTranslator]: Completed translation [2022-12-14 19:38:13,197 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:38:13 WrapperNode [2022-12-14 19:38:13,197 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 19:38:13,198 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 19:38:13,198 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 19:38:13,198 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 19:38:13,205 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:38:13" (1/1) ... [2022-12-14 19:38:13,214 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:38:13" (1/1) ... [2022-12-14 19:38:13,243 INFO L138 Inliner]: procedures = 25, calls = 17, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 368 [2022-12-14 19:38:13,243 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 19:38:13,244 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 19:38:13,244 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 19:38:13,244 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 19:38:13,253 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:38:13" (1/1) ... [2022-12-14 19:38:13,253 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:38:13" (1/1) ... [2022-12-14 19:38:13,256 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:38:13" (1/1) ... [2022-12-14 19:38:13,256 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:38:13" (1/1) ... [2022-12-14 19:38:13,263 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:38:13" (1/1) ... [2022-12-14 19:38:13,268 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:38:13" (1/1) ... [2022-12-14 19:38:13,270 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:38:13" (1/1) ... [2022-12-14 19:38:13,271 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:38:13" (1/1) ... [2022-12-14 19:38:13,274 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 19:38:13,275 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 19:38:13,275 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 19:38:13,275 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 19:38:13,276 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:38:13" (1/1) ... [2022-12-14 19:38:13,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 19:38:13,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4022672d-2838-411b-9909-d8763d0504e5/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 19:38:13,304 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4022672d-2838-411b-9909-d8763d0504e5/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 19:38:13,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4022672d-2838-411b-9909-d8763d0504e5/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 19:38:13,339 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 19:38:13,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 19:38:13,339 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 19:38:13,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 19:38:13,417 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 19:38:13,419 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 19:38:13,777 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 19:38:14,148 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 19:38:14,148 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 19:38:14,150 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:38:14 BoogieIcfgContainer [2022-12-14 19:38:14,150 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 19:38:14,151 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 19:38:14,151 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 19:38:14,161 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 19:38:14,161 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:38:14" (1/1) ... [2022-12-14 19:38:14,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 19:38:14,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:38:14,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2022-12-14 19:38:14,231 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2022-12-14 19:38:14,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 19:38:14,233 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:38:14,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:38:14,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:38:15,288 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 19:38:15,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:38:15,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 14 states and 20 transitions. [2022-12-14 19:38:15,392 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 20 transitions. [2022-12-14 19:38:15,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 19:38:15,393 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:38:15,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:38:15,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:38:15,621 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 19:38:15,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:38:15,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 17 states and 27 transitions. [2022-12-14 19:38:15,933 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 27 transitions. [2022-12-14 19:38:15,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 19:38:15,934 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:38:15,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:38:15,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:38:16,674 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 19:38:17,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:38:17,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 21 states and 35 transitions. [2022-12-14 19:38:17,177 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 35 transitions. [2022-12-14 19:38:17,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 19:38:17,179 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:38:17,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:38:17,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:38:17,499 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 19:38:17,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:38:17,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 25 states and 42 transitions. [2022-12-14 19:38:17,623 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 42 transitions. [2022-12-14 19:38:17,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 19:38:17,624 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:38:17,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:38:17,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:38:21,880 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 19:38:25,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:38:25,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 35 states and 65 transitions. [2022-12-14 19:38:25,555 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 65 transitions. [2022-12-14 19:38:25,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 19:38:25,555 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:38:25,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:38:25,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:38:25,906 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 19:38:27,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:38:27,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 41 states and 83 transitions. [2022-12-14 19:38:27,613 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 83 transitions. [2022-12-14 19:38:27,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 19:38:27,613 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:38:27,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:38:27,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:38:31,536 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 19:38:38,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:38:38,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 50 states and 99 transitions. [2022-12-14 19:38:38,107 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 99 transitions. [2022-12-14 19:38:38,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 19:38:38,108 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:38:38,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:38:38,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:38:42,423 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 19:38:50,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:38:50,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 61 states and 120 transitions. [2022-12-14 19:38:50,663 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 120 transitions. [2022-12-14 19:38:50,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 19:38:50,664 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:38:50,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:38:50,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:38:50,879 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 19:38:51,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:38:51,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 62 states and 122 transitions. [2022-12-14 19:38:51,478 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 122 transitions. [2022-12-14 19:38:51,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 19:38:51,478 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:38:51,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:38:51,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:38:53,298 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:39:04,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:39:04,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 74 states and 163 transitions. [2022-12-14 19:39:04,531 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 163 transitions. [2022-12-14 19:39:04,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 19:39:04,532 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:39:04,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:39:04,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:39:06,628 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 19:39:15,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:39:15,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 86 states and 195 transitions. [2022-12-14 19:39:15,749 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 195 transitions. [2022-12-14 19:39:15,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 19:39:15,750 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:39:15,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:39:15,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:39:17,608 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 19:39:23,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:39:23,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 95 states and 226 transitions. [2022-12-14 19:39:23,219 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 226 transitions. [2022-12-14 19:39:23,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 19:39:23,220 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:39:23,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:39:23,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:39:26,775 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 19:39:33,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:39:33,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 104 states and 253 transitions. [2022-12-14 19:39:33,739 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 253 transitions. [2022-12-14 19:39:33,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 19:39:33,740 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:39:33,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:39:33,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:39:34,811 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 19:39:38,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:39:38,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 109 states and 271 transitions. [2022-12-14 19:39:38,960 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 271 transitions. [2022-12-14 19:39:38,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 19:39:38,961 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:39:38,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:39:39,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:39:41,664 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 19:39:49,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:39:49,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 119 states and 305 transitions. [2022-12-14 19:39:49,827 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 305 transitions. [2022-12-14 19:39:49,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 19:39:49,827 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:39:49,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:39:49,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:39:51,970 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 19:39:54,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:39:54,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 121 states and 310 transitions. [2022-12-14 19:39:54,217 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 310 transitions. [2022-12-14 19:39:54,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 19:39:54,218 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:39:54,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:39:54,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:39:54,541 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 19:39:55,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:39:55,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 123 states and 320 transitions. [2022-12-14 19:39:55,997 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 320 transitions. [2022-12-14 19:39:55,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 19:39:55,998 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:39:55,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:39:56,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:40:01,163 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 19:40:17,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:40:17,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 138 states and 356 transitions. [2022-12-14 19:40:17,992 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 356 transitions. [2022-12-14 19:40:17,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 19:40:17,992 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:40:17,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:40:18,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:40:21,247 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 19:40:42,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:40:42,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 157 states and 416 transitions. [2022-12-14 19:40:42,315 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 416 transitions. [2022-12-14 19:40:42,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-14 19:40:42,315 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:40:42,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:40:42,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:40:42,482 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 19:40:43,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:40:43,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 157 states and 415 transitions. [2022-12-14 19:40:43,319 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 415 transitions. [2022-12-14 19:40:43,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 19:40:43,320 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:40:43,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:40:43,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:43:36,165 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 19:47:17,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:47:17,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 183 states and 518 transitions. [2022-12-14 19:47:17,861 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 518 transitions. [2022-12-14 19:47:17,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 19:47:17,862 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:47:17,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:47:18,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:48:48,050 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 19:49:51,584 WARN L233 SmtUtils]: Spent 8.95s on a formula simplification. DAG size of input: 704 DAG size of output: 612 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:50:05,016 WARN L233 SmtUtils]: Spent 9.65s on a formula simplification. DAG size of input: 706 DAG size of output: 679 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:50:14,499 WARN L233 SmtUtils]: Spent 6.73s on a formula simplification. DAG size of input: 611 DAG size of output: 610 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:50:32,208 WARN L233 SmtUtils]: Spent 9.68s on a formula simplification. DAG size of input: 705 DAG size of output: 613 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:50:42,668 WARN L233 SmtUtils]: Spent 9.66s on a formula simplification. DAG size of input: 707 DAG size of output: 680 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:50:51,858 WARN L233 SmtUtils]: Spent 6.46s on a formula simplification. DAG size of input: 612 DAG size of output: 611 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:51:08,473 WARN L233 SmtUtils]: Spent 9.11s on a formula simplification. DAG size of input: 695 DAG size of output: 611 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:51:22,267 WARN L233 SmtUtils]: Spent 9.78s on a formula simplification. DAG size of input: 697 DAG size of output: 680 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:51:30,993 WARN L233 SmtUtils]: Spent 5.82s on a formula simplification. DAG size of input: 609 DAG size of output: 609 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:51:48,106 WARN L233 SmtUtils]: Spent 9.18s on a formula simplification. DAG size of input: 695 DAG size of output: 611 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:51:59,284 WARN L233 SmtUtils]: Spent 9.97s on a formula simplification. DAG size of input: 697 DAG size of output: 680 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:52:08,521 WARN L233 SmtUtils]: Spent 6.03s on a formula simplification. DAG size of input: 609 DAG size of output: 609 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:52:25,394 WARN L233 SmtUtils]: Spent 8.91s on a formula simplification. DAG size of input: 697 DAG size of output: 613 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:52:36,465 WARN L233 SmtUtils]: Spent 9.87s on a formula simplification. DAG size of input: 699 DAG size of output: 682 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:52:45,787 WARN L233 SmtUtils]: Spent 6.04s on a formula simplification. DAG size of input: 611 DAG size of output: 611 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:53:03,439 WARN L233 SmtUtils]: Spent 9.15s on a formula simplification. DAG size of input: 693 DAG size of output: 609 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)