./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4_overflow.ufo.UNBOUNDED.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1bda41a-6e3d-4ee3-9572-d34cfed72e30/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1bda41a-6e3d-4ee3-9572-d34cfed72e30/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1bda41a-6e3d-4ee3-9572-d34cfed72e30/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1bda41a-6e3d-4ee3-9572-d34cfed72e30/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4_overflow.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1bda41a-6e3d-4ee3-9572-d34cfed72e30/bin/ukojak-pZX7IvK2PQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1bda41a-6e3d-4ee3-9572-d34cfed72e30/bin/ukojak-pZX7IvK2PQ --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 315c7f7d4f861da6991110ab8f251d6e6bbcbe86dfcb4a71343434e33094f4a7 --- 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-6b4ec56 [2022-11-20 17:53:05,061 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:53:05,062 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:53:05,089 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:53:05,090 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:53:05,094 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:53:05,097 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:53:05,100 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:53:05,103 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:53:05,110 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:53:05,111 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:53:05,113 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:53:05,114 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:53:05,116 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:53:05,121 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:53:05,123 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:53:05,124 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:53:05,126 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:53:05,127 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:53:05,129 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:53:05,135 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:53:05,136 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:53:05,139 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:53:05,140 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:53:05,144 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:53:05,147 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:53:05,147 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:53:05,148 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:53:05,150 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:53:05,152 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:53:05,154 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:53:05,155 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:53:05,156 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:53:05,158 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:53:05,159 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:53:05,159 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:53:05,160 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:53:05,160 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:53:05,160 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:53:05,162 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:53:05,163 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:53:05,164 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1bda41a-6e3d-4ee3-9572-d34cfed72e30/bin/ukojak-pZX7IvK2PQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-11-20 17:53:05,193 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:53:05,193 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:53:05,194 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:53:05,194 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:53:05,195 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:53:05,195 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:53:05,195 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:53:05,195 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 17:53:05,196 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:53:05,196 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 17:53:05,196 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:53:05,196 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:53:05,196 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:53:05,197 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:53:05,197 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 17:53:05,197 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:53:05,197 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:53:05,197 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:53:05,198 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:53:05,198 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:53:05,198 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:53:05,198 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:53:05,199 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:53:05,199 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:53:05,199 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:53:05,199 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:53:05,200 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:53:05,200 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:53:05,200 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_a1bda41a-6e3d-4ee3-9572-d34cfed72e30/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1bda41a-6e3d-4ee3-9572-d34cfed72e30/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 315c7f7d4f861da6991110ab8f251d6e6bbcbe86dfcb4a71343434e33094f4a7 [2022-11-20 17:53:05,454 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:53:05,480 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:53:05,483 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:53:05,485 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:53:05,486 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:53:05,488 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1bda41a-6e3d-4ee3-9572-d34cfed72e30/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4_overflow.ufo.UNBOUNDED.pals.c [2022-11-20 17:53:08,614 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:53:08,896 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:53:08,897 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1bda41a-6e3d-4ee3-9572-d34cfed72e30/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4_overflow.ufo.UNBOUNDED.pals.c [2022-11-20 17:53:08,927 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1bda41a-6e3d-4ee3-9572-d34cfed72e30/bin/ukojak-pZX7IvK2PQ/data/4e0531535/952b7f280dbb4eb08154badc1b1f4719/FLAG87b15e0f0 [2022-11-20 17:53:08,942 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1bda41a-6e3d-4ee3-9572-d34cfed72e30/bin/ukojak-pZX7IvK2PQ/data/4e0531535/952b7f280dbb4eb08154badc1b1f4719 [2022-11-20 17:53:08,947 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:53:08,949 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:53:08,951 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:53:08,951 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:53:08,954 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:53:08,957 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:53:08" (1/1) ... [2022-11-20 17:53:08,959 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37b8cf83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:53:08, skipping insertion in model container [2022-11-20 17:53:08,959 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:53:08" (1/1) ... [2022-11-20 17:53:08,966 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:53:09,013 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:53:09,321 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_a1bda41a-6e3d-4ee3-9572-d34cfed72e30/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4_overflow.ufo.UNBOUNDED.pals.c[31111,31124] [2022-11-20 17:53:09,327 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:53:09,354 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:53:09,454 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_a1bda41a-6e3d-4ee3-9572-d34cfed72e30/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4_overflow.ufo.UNBOUNDED.pals.c[31111,31124] [2022-11-20 17:53:09,455 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:53:09,470 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:53:09,471 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:53:09 WrapperNode [2022-11-20 17:53:09,471 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:53:09,472 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:53:09,472 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:53:09,472 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:53:09,480 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:53:09" (1/1) ... [2022-11-20 17:53:09,494 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:53:09" (1/1) ... [2022-11-20 17:53:09,543 INFO L138 Inliner]: procedures = 24, calls = 15, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 952 [2022-11-20 17:53:09,544 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:53:09,545 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:53:09,545 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:53:09,545 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:53:09,557 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:53:09" (1/1) ... [2022-11-20 17:53:09,558 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:53:09" (1/1) ... [2022-11-20 17:53:09,588 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:53:09" (1/1) ... [2022-11-20 17:53:09,588 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:53:09" (1/1) ... [2022-11-20 17:53:09,605 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:53:09" (1/1) ... [2022-11-20 17:53:09,653 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:53:09" (1/1) ... [2022-11-20 17:53:09,656 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:53:09" (1/1) ... [2022-11-20 17:53:09,660 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:53:09" (1/1) ... [2022-11-20 17:53:09,666 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:53:09,667 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:53:09,667 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:53:09,667 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:53:09,668 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:53:09" (1/1) ... [2022-11-20 17:53:09,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:53:09,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1bda41a-6e3d-4ee3-9572-d34cfed72e30/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:53:09,712 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1bda41a-6e3d-4ee3-9572-d34cfed72e30/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:53:09,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1bda41a-6e3d-4ee3-9572-d34cfed72e30/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:53:09,764 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:53:09,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 17:53:09,767 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:53:09,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:53:09,963 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:53:09,965 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:53:11,085 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:53:12,306 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:53:12,307 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 17:53:12,318 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:53:12 BoogieIcfgContainer [2022-11-20 17:53:12,319 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:53:12,320 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:53:12,320 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:53:12,330 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:53:12,330 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:53:12" (1/1) ... [2022-11-20 17:53:12,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:53:12,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:53:12,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 140 states and 224 transitions. [2022-11-20 17:53:12,423 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 224 transitions. [2022-11-20 17:53:12,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-11-20 17:53:12,428 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:53:12,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:53:12,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:53:17,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:53:17,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:53:17,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 141 states and 226 transitions. [2022-11-20 17:53:17,668 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 226 transitions. [2022-11-20 17:53:17,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-11-20 17:53:17,670 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:53:17,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:53:17,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:53:19,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:53:20,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:53:20,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 144 states and 232 transitions. [2022-11-20 17:53:20,381 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 232 transitions. [2022-11-20 17:53:20,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-11-20 17:53:20,388 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:53:20,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:53:20,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:53:22,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:53:23,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:53:23,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 148 states and 240 transitions. [2022-11-20 17:53:23,042 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 240 transitions. [2022-11-20 17:53:23,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-11-20 17:53:23,045 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:53:23,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:53:23,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:53:25,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:53:26,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:53:26,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 153 states and 250 transitions. [2022-11-20 17:53:26,119 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 250 transitions. [2022-11-20 17:53:26,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-20 17:53:26,120 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:53:26,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:53:26,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:53:28,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:53:29,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:53:29,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 159 states and 262 transitions. [2022-11-20 17:53:29,175 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 262 transitions. [2022-11-20 17:53:29,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-11-20 17:53:29,176 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:53:29,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:53:29,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:53:32,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:53:33,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:53:33,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 167 states and 276 transitions. [2022-11-20 17:53:33,495 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 276 transitions. [2022-11-20 17:53:33,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-11-20 17:53:33,495 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:53:33,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:53:33,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:53:35,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:53:37,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:53:37,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 174 states and 289 transitions. [2022-11-20 17:53:37,556 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 289 transitions. [2022-11-20 17:53:37,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-11-20 17:53:37,557 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:53:37,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:53:37,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:53:37,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:53:38,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:53:38,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 175 states and 289 transitions. [2022-11-20 17:53:38,015 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 289 transitions. [2022-11-20 17:53:38,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-11-20 17:53:38,016 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:53:38,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:53:38,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:53:38,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:53:38,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:53:38,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 176 states and 290 transitions. [2022-11-20 17:53:38,127 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 290 transitions. [2022-11-20 17:53:38,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-11-20 17:53:38,127 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:53:38,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:53:38,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:53:40,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:53:43,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:53:43,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 187 states and 308 transitions. [2022-11-20 17:53:43,217 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 308 transitions. [2022-11-20 17:53:43,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-11-20 17:53:43,218 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:53:43,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:53:43,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:53:43,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:53:44,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:53:44,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 190 states and 313 transitions. [2022-11-20 17:53:44,066 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 313 transitions. [2022-11-20 17:53:44,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-11-20 17:53:44,067 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:53:44,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:53:45,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:54:37,311 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:55:43,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:55:43,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 254 states and 476 transitions. [2022-11-20 17:55:43,440 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 476 transitions. [2022-11-20 17:55:43,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-11-20 17:55:43,441 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:55:43,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:55:43,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:55:46,277 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:56:53,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:56:53,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 272 states and 514 transitions. [2022-11-20 17:56:53,346 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 514 transitions. [2022-11-20 17:56:53,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-11-20 17:56:53,348 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:56:53,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:56:53,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:56:55,542 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:56:56,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:56:56,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 273 states and 516 transitions. [2022-11-20 17:56:56,665 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 516 transitions. [2022-11-20 17:56:56,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-11-20 17:56:56,667 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:56:56,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:56:57,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:57:01,410 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:58:12,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:58:12,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 289 states and 552 transitions. [2022-11-20 17:58:12,310 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 552 transitions. [2022-11-20 17:58:12,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-11-20 17:58:12,312 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:58:12,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:58:12,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:58:15,228 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:59:17,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:59:17,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 308 states and 594 transitions. [2022-11-20 17:59:17,795 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 594 transitions. [2022-11-20 17:59:17,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-11-20 17:59:17,797 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:59:17,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:59:17,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:59:19,630 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:59:21,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:59:21,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 309 states and 599 transitions. [2022-11-20 17:59:21,229 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 599 transitions. [2022-11-20 17:59:21,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-11-20 17:59:21,229 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:59:21,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:59:21,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:59:23,299 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:59:26,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:59:26,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 311 states and 605 transitions. [2022-11-20 17:59:26,315 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 605 transitions. [2022-11-20 17:59:26,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-11-20 17:59:26,316 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:59:26,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:59:26,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:59:28,563 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:00:22,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:00:22,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 327 states and 637 transitions. [2022-11-20 18:00:22,518 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 637 transitions. [2022-11-20 18:00:22,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-11-20 18:00:22,519 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:00:22,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:00:22,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:00:26,220 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:01:35,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:01:35,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 347 states and 680 transitions. [2022-11-20 18:01:35,031 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 680 transitions. [2022-11-20 18:01:35,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-11-20 18:01:35,032 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:01:35,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:01:35,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:01:37,312 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:01:39,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:01:39,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 681 states to 348 states and 681 transitions. [2022-11-20 18:01:39,218 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 681 transitions. [2022-11-20 18:01:39,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-11-20 18:01:39,219 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:01:39,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:01:39,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:01:41,637 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:01:45,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:01:45,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 690 states to 350 states and 690 transitions. [2022-11-20 18:01:45,351 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 690 transitions. [2022-11-20 18:01:45,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-11-20 18:01:45,353 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:01:45,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:01:45,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:01:47,663 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:01:49,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:01:49,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 351 states and 697 transitions. [2022-11-20 18:01:49,273 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 697 transitions. [2022-11-20 18:01:49,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-11-20 18:01:49,275 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:01:49,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:01:49,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:01:51,486 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:01:53,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:01:53,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 698 states to 352 states and 698 transitions. [2022-11-20 18:01:53,548 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 698 transitions. [2022-11-20 18:01:53,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-11-20 18:01:53,549 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:01:53,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:01:53,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:01:55,677 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:02:01,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:02:01,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 700 states to 353 states and 700 transitions. [2022-11-20 18:02:01,850 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 700 transitions. [2022-11-20 18:02:01,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-11-20 18:02:01,851 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:02:01,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:02:01,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:02:04,181 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:02:50,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:02:50,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 368 states and 727 transitions. [2022-11-20 18:02:50,440 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 727 transitions. [2022-11-20 18:02:50,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-11-20 18:02:50,442 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:02:50,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:02:50,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:02:54,597 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:03:49,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:03:49,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 766 states to 383 states and 766 transitions. [2022-11-20 18:03:49,472 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 766 transitions. [2022-11-20 18:03:49,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-11-20 18:03:49,473 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:03:49,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:03:49,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:03:51,414 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:03:57,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:03:57,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 386 states and 771 transitions. [2022-11-20 18:03:57,787 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 771 transitions. [2022-11-20 18:03:57,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-11-20 18:03:57,788 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:03:57,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:03:57,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:03:59,637 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:04:03,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:04:03,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 774 states to 388 states and 774 transitions. [2022-11-20 18:04:03,374 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 774 transitions. [2022-11-20 18:04:03,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-11-20 18:04:03,375 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:04:03,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:04:03,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:04:05,342 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:04:07,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:04:07,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 781 states to 389 states and 781 transitions. [2022-11-20 18:04:07,590 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 781 transitions. [2022-11-20 18:04:07,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-11-20 18:04:07,591 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:04:07,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:04:07,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:04:09,441 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:04:13,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:04:13,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 391 states and 790 transitions. [2022-11-20 18:04:13,824 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 790 transitions. [2022-11-20 18:04:13,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-11-20 18:04:13,825 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:04:13,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:04:13,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:04:15,771 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:04:18,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:04:18,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 799 states to 392 states and 799 transitions. [2022-11-20 18:04:18,540 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 799 transitions. [2022-11-20 18:04:18,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-11-20 18:04:18,541 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:04:18,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:04:18,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:04:20,445 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:05:00,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:05:00,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 820 states to 403 states and 820 transitions. [2022-11-20 18:05:00,917 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 820 transitions. [2022-11-20 18:05:00,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-11-20 18:05:00,919 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:05:00,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:05:01,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:05:02,882 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:05:36,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:05:36,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 835 states to 413 states and 835 transitions. [2022-11-20 18:05:36,344 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 835 transitions. [2022-11-20 18:05:36,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-11-20 18:05:36,345 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:05:36,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:05:36,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:05:42,986 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:06:54,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:06:54,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 875 states to 434 states and 875 transitions. [2022-11-20 18:06:54,781 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 875 transitions. [2022-11-20 18:06:54,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-11-20 18:06:54,782 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:06:54,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:06:55,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:06:59,531 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.