./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-new/gauss_sum.i.p+lhb-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8bd0189-0c9f-454f-8b15-8de126f5fc82/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8bd0189-0c9f-454f-8b15-8de126f5fc82/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8bd0189-0c9f-454f-8b15-8de126f5fc82/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8bd0189-0c9f-454f-8b15-8de126f5fc82/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-new/gauss_sum.i.p+lhb-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8bd0189-0c9f-454f-8b15-8de126f5fc82/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8bd0189-0c9f-454f-8b15-8de126f5fc82/bin/ukojak-92XMlrwhuB --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a053a782decb11d2f285c3ec51c61736c730fd1e4c1a5a335f84feb7be146afe --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:57:09,080 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:57:09,082 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:57:09,120 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:57:09,120 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:57:09,122 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:57:09,124 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:57:09,126 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:57:09,128 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:57:09,130 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:57:09,131 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:57:09,133 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:57:09,133 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:57:09,135 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:57:09,136 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:57:09,138 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:57:09,139 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:57:09,141 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:57:09,145 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:57:09,149 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:57:09,151 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:57:09,157 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:57:09,159 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:57:09,160 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:57:09,165 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:57:09,165 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:57:09,166 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:57:09,175 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:57:09,176 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:57:09,177 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:57:09,178 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:57:09,179 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:57:09,180 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:57:09,181 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:57:09,182 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:57:09,183 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:57:09,184 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:57:09,184 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:57:09,185 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:57:09,186 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:57:09,187 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:57:09,190 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8bd0189-0c9f-454f-8b15-8de126f5fc82/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:57:09,244 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:57:09,245 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:57:09,246 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:57:09,246 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:57:09,247 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:57:09,247 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:57:09,248 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:57:09,248 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:57:09,248 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:57:09,248 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:57:09,249 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:57:09,249 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:57:09,250 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:57:09,250 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:57:09,250 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:57:09,250 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:57:09,250 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:57:09,251 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:57:09,251 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:57:09,251 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:57:09,251 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:57:09,251 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:57:09,252 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:57:09,252 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:57:09,252 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:57:09,252 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:57:09,254 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:57:09,254 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:57:09,254 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_c8bd0189-0c9f-454f-8b15-8de126f5fc82/bin/ukojak-92XMlrwhuB/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8bd0189-0c9f-454f-8b15-8de126f5fc82/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a053a782decb11d2f285c3ec51c61736c730fd1e4c1a5a335f84feb7be146afe [2022-10-17 16:57:09,586 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:57:09,614 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:57:09,617 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:57:09,618 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:57:09,620 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:57:09,622 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8bd0189-0c9f-454f-8b15-8de126f5fc82/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/loop-new/gauss_sum.i.p+lhb-reducer.c [2022-10-17 16:57:09,734 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8bd0189-0c9f-454f-8b15-8de126f5fc82/bin/ukojak-92XMlrwhuB/data/ab5c4d53d/54e15988e6974096ac1f2da7fbbd13b0/FLAGa54bb0d1d [2022-10-17 16:57:10,152 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:57:10,153 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8bd0189-0c9f-454f-8b15-8de126f5fc82/sv-benchmarks/c/loop-new/gauss_sum.i.p+lhb-reducer.c [2022-10-17 16:57:10,160 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8bd0189-0c9f-454f-8b15-8de126f5fc82/bin/ukojak-92XMlrwhuB/data/ab5c4d53d/54e15988e6974096ac1f2da7fbbd13b0/FLAGa54bb0d1d [2022-10-17 16:57:10,554 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8bd0189-0c9f-454f-8b15-8de126f5fc82/bin/ukojak-92XMlrwhuB/data/ab5c4d53d/54e15988e6974096ac1f2da7fbbd13b0 [2022-10-17 16:57:10,556 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:57:10,558 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:57:10,560 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:57:10,560 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:57:10,565 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:57:10,566 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:57:10" (1/1) ... [2022-10-17 16:57:10,567 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@269deb02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:10, skipping insertion in model container [2022-10-17 16:57:10,568 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:57:10" (1/1) ... [2022-10-17 16:57:10,576 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:57:10,593 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:57:10,792 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8bd0189-0c9f-454f-8b15-8de126f5fc82/sv-benchmarks/c/loop-new/gauss_sum.i.p+lhb-reducer.c[1444,1457] [2022-10-17 16:57:10,797 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:57:10,806 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:57:10,824 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8bd0189-0c9f-454f-8b15-8de126f5fc82/sv-benchmarks/c/loop-new/gauss_sum.i.p+lhb-reducer.c[1444,1457] [2022-10-17 16:57:10,840 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:57:10,854 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:57:10,854 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:10 WrapperNode [2022-10-17 16:57:10,854 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:57:10,856 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:57:10,856 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:57:10,856 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:57:10,866 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:10" (1/1) ... [2022-10-17 16:57:10,875 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:10" (1/1) ... [2022-10-17 16:57:10,902 INFO L138 Inliner]: procedures = 14, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 67 [2022-10-17 16:57:10,903 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:57:10,904 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:57:10,904 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:57:10,905 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:57:10,914 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:10" (1/1) ... [2022-10-17 16:57:10,914 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:10" (1/1) ... [2022-10-17 16:57:10,929 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:10" (1/1) ... [2022-10-17 16:57:10,929 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:10" (1/1) ... [2022-10-17 16:57:10,932 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:10" (1/1) ... [2022-10-17 16:57:10,943 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:10" (1/1) ... [2022-10-17 16:57:10,944 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:10" (1/1) ... [2022-10-17 16:57:10,945 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:10" (1/1) ... [2022-10-17 16:57:10,947 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:57:10,951 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:57:10,951 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:57:10,951 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:57:10,953 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:10" (1/1) ... [2022-10-17 16:57:10,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:57:10,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8bd0189-0c9f-454f-8b15-8de126f5fc82/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:57:10,988 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8bd0189-0c9f-454f-8b15-8de126f5fc82/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:57:10,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8bd0189-0c9f-454f-8b15-8de126f5fc82/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:57:11,032 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:57:11,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:57:11,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:57:11,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:57:11,097 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:57:11,099 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:57:11,255 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:57:11,279 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:57:11,279 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 16:57:11,281 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:57:11 BoogieIcfgContainer [2022-10-17 16:57:11,281 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:57:11,282 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:57:11,282 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:57:11,292 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:57:11,292 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:57:11" (1/1) ... [2022-10-17 16:57:11,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:57:11,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:11,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 14 states and 22 transitions. [2022-10-17 16:57:11,365 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 22 transitions. [2022-10-17 16:57:11,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:57:11,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:11,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:11,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:11,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 28 conjunts are in the unsatisfiable core [2022-10-17 16:57:11,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:57:11,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:57:12,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:12,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 16 states and 27 transitions. [2022-10-17 16:57:12,203 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 27 transitions. [2022-10-17 16:57:12,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:57:12,206 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:12,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:12,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:12,250 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 32 conjunts are in the unsatisfiable core [2022-10-17 16:57:12,253 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:57:12,412 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:57:12,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:12,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 18 states and 34 transitions. [2022-10-17 16:57:12,723 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 34 transitions. [2022-10-17 16:57:12,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:57:12,724 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:12,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:12,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:12,764 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 37 conjunts are in the unsatisfiable core [2022-10-17 16:57:12,766 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:57:13,152 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:57:14,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:14,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 20 states and 40 transitions. [2022-10-17 16:57:14,078 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 40 transitions. [2022-10-17 16:57:14,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:57:14,078 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:14,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:14,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:14,127 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 40 conjunts are in the unsatisfiable core [2022-10-17 16:57:14,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:57:14,429 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:57:14,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:14,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 22 states and 48 transitions. [2022-10-17 16:57:14,969 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 48 transitions. [2022-10-17 16:57:14,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:57:14,970 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:14,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:15,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:15,026 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 44 conjunts are in the unsatisfiable core [2022-10-17 16:57:15,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:57:15,279 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:57:15,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:15,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 24 states and 57 transitions. [2022-10-17 16:57:15,812 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 57 transitions. [2022-10-17 16:57:15,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:57:15,813 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:15,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:15,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:15,850 WARN L261 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 48 conjunts are in the unsatisfiable core [2022-10-17 16:57:15,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:57:16,106 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:57:16,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:16,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 26 states and 67 transitions. [2022-10-17 16:57:16,686 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 67 transitions. [2022-10-17 16:57:16,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:57:16,687 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:16,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:16,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:16,731 WARN L261 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 53 conjunts are in the unsatisfiable core [2022-10-17 16:57:16,733 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:57:17,223 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:57:18,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:18,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 28 states and 78 transitions. [2022-10-17 16:57:18,041 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 78 transitions. [2022-10-17 16:57:18,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:57:18,042 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:18,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:18,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:18,107 WARN L261 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 56 conjunts are in the unsatisfiable core [2022-10-17 16:57:18,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:57:18,409 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:57:19,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:19,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 30 states and 90 transitions. [2022-10-17 16:57:19,208 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 90 transitions. [2022-10-17 16:57:19,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 16:57:19,209 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:19,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:19,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:19,251 WARN L261 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 61 conjunts are in the unsatisfiable core [2022-10-17 16:57:19,253 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:57:19,713 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:57:20,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:20,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 32 states and 103 transitions. [2022-10-17 16:57:20,549 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 103 transitions. [2022-10-17 16:57:20,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:57:20,550 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:20,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:20,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:20,592 WARN L261 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 64 conjunts are in the unsatisfiable core [2022-10-17 16:57:20,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:57:20,978 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:57:21,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:21,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 34 states and 117 transitions. [2022-10-17 16:57:21,793 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 117 transitions. [2022-10-17 16:57:21,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 16:57:21,794 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:21,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:21,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:21,833 WARN L261 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 68 conjunts are in the unsatisfiable core [2022-10-17 16:57:21,835 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:57:22,208 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:57:23,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:23,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 36 states and 132 transitions. [2022-10-17 16:57:23,032 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 132 transitions. [2022-10-17 16:57:23,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:57:23,033 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:23,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:23,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:23,087 WARN L261 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 73 conjunts are in the unsatisfiable core [2022-10-17 16:57:23,089 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:57:23,485 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:57:24,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:24,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 38 states and 148 transitions. [2022-10-17 16:57:24,223 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 148 transitions. [2022-10-17 16:57:24,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:57:24,225 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:24,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:24,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:24,345 WARN L261 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 76 conjunts are in the unsatisfiable core [2022-10-17 16:57:24,347 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:57:24,875 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:57:25,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:25,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 40 states and 165 transitions. [2022-10-17 16:57:25,844 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 165 transitions. [2022-10-17 16:57:25,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 16:57:25,845 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:25,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:25,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:25,905 WARN L261 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 80 conjunts are in the unsatisfiable core [2022-10-17 16:57:25,908 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:57:26,540 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:57:27,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:27,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 42 states and 183 transitions. [2022-10-17 16:57:27,516 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 183 transitions. [2022-10-17 16:57:27,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 16:57:27,517 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:27,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:27,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:27,572 WARN L261 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 84 conjunts are in the unsatisfiable core [2022-10-17 16:57:27,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:57:28,153 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:57:29,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:29,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 44 states and 202 transitions. [2022-10-17 16:57:29,230 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 202 transitions. [2022-10-17 16:57:29,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-17 16:57:29,231 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:29,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:29,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:29,287 WARN L261 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 88 conjunts are in the unsatisfiable core [2022-10-17 16:57:29,288 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:57:29,901 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:57:31,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:31,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 46 states and 222 transitions. [2022-10-17 16:57:31,020 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 222 transitions. [2022-10-17 16:57:31,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-17 16:57:31,021 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:31,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:31,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:31,079 WARN L261 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 92 conjunts are in the unsatisfiable core [2022-10-17 16:57:31,081 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:57:31,793 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:57:32,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:32,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 48 states and 243 transitions. [2022-10-17 16:57:32,945 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 243 transitions. [2022-10-17 16:57:32,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 16:57:32,946 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:32,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:33,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:33,015 WARN L261 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 96 conjunts are in the unsatisfiable core [2022-10-17 16:57:33,017 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:57:33,846 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:57:35,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:35,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 50 states and 265 transitions. [2022-10-17 16:57:35,241 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 265 transitions. [2022-10-17 16:57:35,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-10-17 16:57:35,241 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:35,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:35,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:35,304 WARN L261 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 100 conjunts are in the unsatisfiable core [2022-10-17 16:57:35,307 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:57:36,169 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:57:37,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:37,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 52 states and 288 transitions. [2022-10-17 16:57:37,698 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 288 transitions. [2022-10-17 16:57:37,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-17 16:57:37,699 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:37,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:37,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:37,757 WARN L261 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 105 conjunts are in the unsatisfiable core [2022-10-17 16:57:37,759 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:57:39,387 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:57:42,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:42,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 54 states and 312 transitions. [2022-10-17 16:57:42,122 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 312 transitions. [2022-10-17 16:57:42,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 16:57:42,123 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:42,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:42,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:42,177 WARN L261 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 108 conjunts are in the unsatisfiable core [2022-10-17 16:57:42,179 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:57:43,284 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.