./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.5_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_30f0fff6-1b51-4fb9-886e-d97bad22884c/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30f0fff6-1b51-4fb9-886e-d97bad22884c/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_30f0fff6-1b51-4fb9-886e-d97bad22884c/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30f0fff6-1b51-4fb9-886e-d97bad22884c/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.5_overflow.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30f0fff6-1b51-4fb9-886e-d97bad22884c/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_30f0fff6-1b51-4fb9-886e-d97bad22884c/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 1824872e1814c22cdcc3b3649b8009e56b17be6d2a4264ef4e8c02506b8754f7 --- 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 18:20:45,148 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 18:20:45,151 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 18:20:45,193 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 18:20:45,195 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 18:20:45,198 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 18:20:45,201 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 18:20:45,204 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 18:20:45,207 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 18:20:45,212 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 18:20:45,214 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 18:20:45,217 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 18:20:45,217 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 18:20:45,220 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 18:20:45,222 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 18:20:45,225 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 18:20:45,228 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 18:20:45,228 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 18:20:45,230 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 18:20:45,238 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 18:20:45,239 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 18:20:45,241 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 18:20:45,243 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 18:20:45,244 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 18:20:45,253 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 18:20:45,255 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 18:20:45,255 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 18:20:45,257 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 18:20:45,258 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 18:20:45,259 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 18:20:45,259 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 18:20:45,260 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 18:20:45,262 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 18:20:45,263 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 18:20:45,264 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 18:20:45,265 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 18:20:45,265 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 18:20:45,266 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 18:20:45,266 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 18:20:45,268 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 18:20:45,268 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 18:20:45,269 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30f0fff6-1b51-4fb9-886e-d97bad22884c/bin/ukojak-pZX7IvK2PQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-11-20 18:20:45,307 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 18:20:45,307 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 18:20:45,309 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 18:20:45,309 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 18:20:45,309 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 18:20:45,310 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 18:20:45,310 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 18:20:45,310 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 18:20:45,311 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 18:20:45,311 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 18:20:45,312 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 18:20:45,312 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 18:20:45,312 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 18:20:45,313 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 18:20:45,313 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 18:20:45,313 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 18:20:45,313 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 18:20:45,314 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 18:20:45,314 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 18:20:45,314 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 18:20:45,314 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 18:20:45,315 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:20:45,315 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 18:20:45,315 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 18:20:45,315 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 18:20:45,316 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 18:20:45,316 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 18:20:45,316 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 18:20:45,316 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_30f0fff6-1b51-4fb9-886e-d97bad22884c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30f0fff6-1b51-4fb9-886e-d97bad22884c/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1824872e1814c22cdcc3b3649b8009e56b17be6d2a4264ef4e8c02506b8754f7 [2022-11-20 18:20:45,642 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 18:20:45,681 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 18:20:45,684 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 18:20:45,686 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 18:20:45,687 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 18:20:45,689 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30f0fff6-1b51-4fb9-886e-d97bad22884c/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.5_overflow.ufo.UNBOUNDED.pals.c [2022-11-20 18:20:48,894 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 18:20:49,241 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 18:20:49,242 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30f0fff6-1b51-4fb9-886e-d97bad22884c/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.5_overflow.ufo.UNBOUNDED.pals.c [2022-11-20 18:20:49,260 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30f0fff6-1b51-4fb9-886e-d97bad22884c/bin/ukojak-pZX7IvK2PQ/data/02b94b3ff/16d44c704adc45e09ba1888d7f503fd0/FLAG21a02e5a9 [2022-11-20 18:20:49,275 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30f0fff6-1b51-4fb9-886e-d97bad22884c/bin/ukojak-pZX7IvK2PQ/data/02b94b3ff/16d44c704adc45e09ba1888d7f503fd0 [2022-11-20 18:20:49,278 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 18:20:49,279 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 18:20:49,281 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 18:20:49,283 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 18:20:49,286 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 18:20:49,287 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:20:49" (1/1) ... [2022-11-20 18:20:49,288 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53b3e574 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:20:49, skipping insertion in model container [2022-11-20 18:20:49,288 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:20:49" (1/1) ... [2022-11-20 18:20:49,296 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 18:20:49,370 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 18:20:49,823 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_30f0fff6-1b51-4fb9-886e-d97bad22884c/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.5_overflow.ufo.UNBOUNDED.pals.c[65601,65614] [2022-11-20 18:20:49,837 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:20:49,851 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 18:20:49,985 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_30f0fff6-1b51-4fb9-886e-d97bad22884c/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.5_overflow.ufo.UNBOUNDED.pals.c[65601,65614] [2022-11-20 18:20:49,990 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:20:50,008 INFO L208 MainTranslator]: Completed translation [2022-11-20 18:20:50,008 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:20:50 WrapperNode [2022-11-20 18:20:50,008 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 18:20:50,009 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 18:20:50,009 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 18:20:50,009 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 18:20:50,018 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:20:50" (1/1) ... [2022-11-20 18:20:50,061 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:20:50" (1/1) ... [2022-11-20 18:20:50,155 INFO L138 Inliner]: procedures = 25, calls = 16, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 2043 [2022-11-20 18:20:50,165 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 18:20:50,166 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 18:20:50,166 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 18:20:50,166 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 18:20:50,178 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:20:50" (1/1) ... [2022-11-20 18:20:50,178 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:20:50" (1/1) ... [2022-11-20 18:20:50,186 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:20:50" (1/1) ... [2022-11-20 18:20:50,186 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:20:50" (1/1) ... [2022-11-20 18:20:50,212 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:20:50" (1/1) ... [2022-11-20 18:20:50,232 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:20:50" (1/1) ... [2022-11-20 18:20:50,238 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:20:50" (1/1) ... [2022-11-20 18:20:50,245 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:20:50" (1/1) ... [2022-11-20 18:20:50,255 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 18:20:50,256 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 18:20:50,256 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 18:20:50,256 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 18:20:50,257 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:20:50" (1/1) ... [2022-11-20 18:20:50,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:20:50,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30f0fff6-1b51-4fb9-886e-d97bad22884c/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 18:20:50,290 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30f0fff6-1b51-4fb9-886e-d97bad22884c/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 18:20:50,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30f0fff6-1b51-4fb9-886e-d97bad22884c/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 18:20:50,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 18:20:50,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 18:20:50,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 18:20:50,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 18:20:50,558 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 18:20:50,560 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 18:20:52,384 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 18:20:54,499 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 18:20:54,499 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 18:20:54,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:20:54 BoogieIcfgContainer [2022-11-20 18:20:54,503 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 18:20:54,504 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 18:20:54,504 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 18:20:54,518 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 18:20:54,518 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:20:54" (1/1) ... [2022-11-20 18:20:54,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 18:20:54,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:20:54,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 754 states to 441 states and 754 transitions. [2022-11-20 18:20:54,609 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 754 transitions. [2022-11-20 18:20:54,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-11-20 18:20:54,626 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:20:54,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:20:55,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:21:04,563 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 18:21:05,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:21:05,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 756 states to 442 states and 756 transitions. [2022-11-20 18:21:05,024 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 756 transitions. [2022-11-20 18:21:05,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-11-20 18:21:05,027 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:21:05,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:21:05,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:21:10,529 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 18:21:10,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:21:10,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 762 states to 445 states and 762 transitions. [2022-11-20 18:21:10,991 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 762 transitions. [2022-11-20 18:21:10,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-11-20 18:21:10,992 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:21:10,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:21:11,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:21:16,219 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 18:21:16,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:21:16,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 449 states and 770 transitions. [2022-11-20 18:21:16,878 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 770 transitions. [2022-11-20 18:21:16,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-11-20 18:21:16,881 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:21:16,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:21:17,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:21:21,729 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 18:21:22,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:21:22,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 780 states to 454 states and 780 transitions. [2022-11-20 18:21:22,600 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 780 transitions. [2022-11-20 18:21:22,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-11-20 18:21:22,602 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:21:22,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:21:22,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:21:26,516 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 18:21:27,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:21:27,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 460 states and 792 transitions. [2022-11-20 18:21:27,764 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 792 transitions. [2022-11-20 18:21:27,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-11-20 18:21:27,766 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:21:27,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:21:27,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:21:32,006 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 18:21:33,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:21:33,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 806 states to 467 states and 806 transitions. [2022-11-20 18:21:33,517 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 806 transitions. [2022-11-20 18:21:33,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-11-20 18:21:33,518 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:21:33,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:21:33,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:21:38,156 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 18:21:40,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:21:40,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 822 states to 476 states and 822 transitions. [2022-11-20 18:21:40,194 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 822 transitions. [2022-11-20 18:21:40,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-11-20 18:21:40,196 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:21:40,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:21:41,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:21:45,772 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 18:21:48,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:21:48,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 837 states to 484 states and 837 transitions. [2022-11-20 18:21:48,111 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 837 transitions. [2022-11-20 18:21:48,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-11-20 18:21:48,121 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:21:48,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:21:48,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:21:48,354 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 18:21:48,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:21:48,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 837 states to 485 states and 837 transitions. [2022-11-20 18:21:48,759 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 837 transitions. [2022-11-20 18:21:48,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2022-11-20 18:21:48,761 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:21:48,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:21:48,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:21:48,914 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 18:21:48,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:21:48,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 486 states and 838 transitions. [2022-11-20 18:21:48,946 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 838 transitions. [2022-11-20 18:21:48,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2022-11-20 18:21:48,948 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:21:48,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:21:49,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:21:53,804 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 18:21:57,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:21:57,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 858 states to 498 states and 858 transitions. [2022-11-20 18:21:57,472 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 858 transitions. [2022-11-20 18:21:57,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2022-11-20 18:21:57,474 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:21:57,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:21:57,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:21:58,234 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 18:21:58,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:21:58,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 863 states to 501 states and 863 transitions. [2022-11-20 18:21:58,637 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 863 transitions. [2022-11-20 18:21:58,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2022-11-20 18:21:58,639 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:21:58,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:22:00,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:22:29,555 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 18:22:47,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:22:47,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1261 states to 638 states and 1261 transitions. [2022-11-20 18:22:47,241 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 1261 transitions. [2022-11-20 18:22:47,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2022-11-20 18:22:47,243 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:22:47,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:22:47,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:22:53,316 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 18:23:09,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:23:09,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1299 states to 657 states and 1299 transitions. [2022-11-20 18:23:09,041 INFO L276 IsEmpty]: Start isEmpty. Operand 657 states and 1299 transitions. [2022-11-20 18:23:09,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2022-11-20 18:23:09,044 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:23:09,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:23:10,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:24:04,618 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 18:25:46,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:25:46,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1715 states to 795 states and 1715 transitions. [2022-11-20 18:25:46,434 INFO L276 IsEmpty]: Start isEmpty. Operand 795 states and 1715 transitions. [2022-11-20 18:25:46,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2022-11-20 18:25:46,437 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:25:46,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:25:47,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:25:57,301 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 18:27:17,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:27:17,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1755 states to 812 states and 1755 transitions. [2022-11-20 18:27:17,862 INFO L276 IsEmpty]: Start isEmpty. Operand 812 states and 1755 transitions. [2022-11-20 18:27:17,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2022-11-20 18:27:17,865 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:27:17,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:27:18,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:27:23,582 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 18:27:52,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:27:52,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1800 states to 832 states and 1800 transitions. [2022-11-20 18:27:52,528 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 1800 transitions. [2022-11-20 18:27:52,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2022-11-20 18:27:52,531 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:27:52,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:27:52,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:27:57,064 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 18:28:00,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:28:00,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1807 states to 834 states and 1807 transitions. [2022-11-20 18:28:00,570 INFO L276 IsEmpty]: Start isEmpty. Operand 834 states and 1807 transitions. [2022-11-20 18:28:00,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-11-20 18:28:00,574 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:28:00,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:28:00,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:28:04,674 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 18:28:13,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:28:13,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1809 states to 835 states and 1809 transitions. [2022-11-20 18:28:13,216 INFO L276 IsEmpty]: Start isEmpty. Operand 835 states and 1809 transitions. [2022-11-20 18:28:13,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-11-20 18:28:13,218 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:28:13,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:28:13,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:28:17,457 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 18:29:25,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:29:25,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1846 states to 851 states and 1846 transitions. [2022-11-20 18:29:25,669 INFO L276 IsEmpty]: Start isEmpty. Operand 851 states and 1846 transitions. [2022-11-20 18:29:25,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-11-20 18:29:25,671 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:29:25,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:29:25,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:29:31,999 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 18:29:34,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:29:34,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1851 states to 852 states and 1851 transitions. [2022-11-20 18:29:34,282 INFO L276 IsEmpty]: Start isEmpty. Operand 852 states and 1851 transitions. [2022-11-20 18:29:34,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-11-20 18:29:34,284 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:29:34,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:29:34,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:29:40,335 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 18:30:58,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:30:58,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1886 states to 869 states and 1886 transitions. [2022-11-20 18:30:58,684 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states and 1886 transitions. [2022-11-20 18:30:58,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-11-20 18:30:58,686 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:30:58,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:30:58,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:31:06,479 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 18:31:39,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:31:39,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1934 states to 890 states and 1934 transitions. [2022-11-20 18:31:39,443 INFO L276 IsEmpty]: Start isEmpty. Operand 890 states and 1934 transitions. [2022-11-20 18:31:39,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-11-20 18:31:39,445 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:31:39,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:31:39,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:31:44,234 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 18:31:46,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:31:46,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1943 states to 891 states and 1943 transitions. [2022-11-20 18:31:46,114 INFO L276 IsEmpty]: Start isEmpty. Operand 891 states and 1943 transitions. [2022-11-20 18:31:46,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-11-20 18:31:46,116 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:31:46,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:31:46,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:31:50,620 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 18:31:54,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:31:54,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1946 states to 893 states and 1946 transitions. [2022-11-20 18:31:54,430 INFO L276 IsEmpty]: Start isEmpty. Operand 893 states and 1946 transitions. [2022-11-20 18:31:54,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-11-20 18:31:54,432 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:31:54,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:31:54,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:31:59,081 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 18:32:01,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:32:01,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1947 states to 894 states and 1947 transitions. [2022-11-20 18:32:01,173 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1947 transitions. [2022-11-20 18:32:01,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2022-11-20 18:32:01,176 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:32:01,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:32:01,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:32:05,760 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 18:33:19,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:33:19,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1992 states to 912 states and 1992 transitions. [2022-11-20 18:33:19,091 INFO L276 IsEmpty]: Start isEmpty. Operand 912 states and 1992 transitions. [2022-11-20 18:33:19,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2022-11-20 18:33:19,092 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:33:19,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:33:19,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:33:24,006 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 18:34:36,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:34:36,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2026 states to 929 states and 2026 transitions. [2022-11-20 18:34:36,247 INFO L276 IsEmpty]: Start isEmpty. Operand 929 states and 2026 transitions. [2022-11-20 18:34:36,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2022-11-20 18:34:36,248 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:34:36,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:34:36,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat