./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound10.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_af96e369-77cd-4f2a-a404-fd06235ba69b/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af96e369-77cd-4f2a-a404-fd06235ba69b/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_af96e369-77cd-4f2a-a404-fd06235ba69b/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af96e369-77cd-4f2a-a404-fd06235ba69b/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af96e369-77cd-4f2a-a404-fd06235ba69b/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_af96e369-77cd-4f2a-a404-fd06235ba69b/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 4e2993d4b0d2c145cb6ebddb0d9f125eb6995ee629adf15e0b0f7e55a8d8a49a --- 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 16:41:05,104 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:41:05,107 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:41:05,158 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:41:05,159 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:41:05,164 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:41:05,166 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:41:05,170 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:41:05,175 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:41:05,180 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:41:05,181 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:41:05,184 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:41:05,184 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:41:05,187 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:41:05,190 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:41:05,192 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:41:05,194 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:41:05,195 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:41:05,197 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:41:05,207 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:41:05,209 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:41:05,211 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:41:05,216 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:41:05,217 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:41:05,222 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:41:05,222 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:41:05,223 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:41:05,225 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:41:05,226 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:41:05,227 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:41:05,228 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:41:05,230 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:41:05,232 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:41:05,233 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:41:05,234 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:41:05,235 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:41:05,235 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:41:05,236 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:41:05,236 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:41:05,237 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:41:05,237 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:41:05,238 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af96e369-77cd-4f2a-a404-fd06235ba69b/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:41:05,312 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:41:05,312 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:41:05,313 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:41:05,314 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:41:05,314 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:41:05,315 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:41:05,315 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:41:05,315 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:41:05,315 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:41:05,316 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:41:05,317 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:41:05,343 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:41:05,343 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:41:05,343 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:41:05,343 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:41:05,343 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:41:05,344 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:41:05,344 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:41:05,344 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:41:05,344 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:41:05,344 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:41:05,344 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:41:05,345 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:41:05,345 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:41:05,345 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:41:05,345 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:41:05,345 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:41:05,346 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:41:05,346 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_af96e369-77cd-4f2a-a404-fd06235ba69b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af96e369-77cd-4f2a-a404-fd06235ba69b/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4e2993d4b0d2c145cb6ebddb0d9f125eb6995ee629adf15e0b0f7e55a8d8a49a [2022-10-17 16:41:05,617 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:41:05,639 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:41:05,641 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:41:05,643 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:41:05,644 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:41:05,645 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af96e369-77cd-4f2a-a404-fd06235ba69b/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound10.c [2022-10-17 16:41:05,719 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af96e369-77cd-4f2a-a404-fd06235ba69b/bin/ukojak-92XMlrwhuB/data/6a311208c/f8989301ee5f4651914631eb412e13fa/FLAGa293bf8d6 [2022-10-17 16:41:06,362 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:41:06,362 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af96e369-77cd-4f2a-a404-fd06235ba69b/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound10.c [2022-10-17 16:41:06,374 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af96e369-77cd-4f2a-a404-fd06235ba69b/bin/ukojak-92XMlrwhuB/data/6a311208c/f8989301ee5f4651914631eb412e13fa/FLAGa293bf8d6 [2022-10-17 16:41:06,636 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af96e369-77cd-4f2a-a404-fd06235ba69b/bin/ukojak-92XMlrwhuB/data/6a311208c/f8989301ee5f4651914631eb412e13fa [2022-10-17 16:41:06,640 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:41:06,642 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:41:06,646 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:41:06,646 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:41:06,649 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:41:06,650 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:41:06" (1/1) ... [2022-10-17 16:41:06,653 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29364ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:06, skipping insertion in model container [2022-10-17 16:41:06,653 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:41:06" (1/1) ... [2022-10-17 16:41:06,661 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:41:06,681 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:41:06,834 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_af96e369-77cd-4f2a-a404-fd06235ba69b/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound10.c[588,601] [2022-10-17 16:41:06,862 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:41:06,872 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:41:06,893 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_af96e369-77cd-4f2a-a404-fd06235ba69b/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound10.c[588,601] [2022-10-17 16:41:06,915 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:41:06,935 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:41:06,936 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:06 WrapperNode [2022-10-17 16:41:06,936 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:41:06,937 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:41:06,938 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:41:06,939 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:41:06,947 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:06" (1/1) ... [2022-10-17 16:41:06,965 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:06" (1/1) ... [2022-10-17 16:41:07,006 INFO L138 Inliner]: procedures = 14, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 48 [2022-10-17 16:41:07,009 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:41:07,010 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:41:07,010 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:41:07,011 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:41:07,020 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:06" (1/1) ... [2022-10-17 16:41:07,020 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:06" (1/1) ... [2022-10-17 16:41:07,024 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:06" (1/1) ... [2022-10-17 16:41:07,024 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:06" (1/1) ... [2022-10-17 16:41:07,032 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:06" (1/1) ... [2022-10-17 16:41:07,042 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:06" (1/1) ... [2022-10-17 16:41:07,043 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:06" (1/1) ... [2022-10-17 16:41:07,044 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:06" (1/1) ... [2022-10-17 16:41:07,046 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:41:07,047 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:41:07,047 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:41:07,047 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:41:07,048 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:06" (1/1) ... [2022-10-17 16:41:07,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:41:07,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af96e369-77cd-4f2a-a404-fd06235ba69b/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:41:07,088 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af96e369-77cd-4f2a-a404-fd06235ba69b/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:41:07,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af96e369-77cd-4f2a-a404-fd06235ba69b/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:41:07,146 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:41:07,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:41:07,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:41:07,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:41:07,147 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-17 16:41:07,148 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-17 16:41:07,205 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:41:07,207 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:41:07,380 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:41:07,411 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:41:07,411 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:41:07,414 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:41:07 BoogieIcfgContainer [2022-10-17 16:41:07,414 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:41:07,415 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:41:07,415 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:41:07,426 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:41:07,426 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:41:07" (1/1) ... [2022-10-17 16:41:07,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:41:07,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:07,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 22 states and 34 transitions. [2022-10-17 16:41:07,496 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 34 transitions. [2022-10-17 16:41:07,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:41:07,501 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:07,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:07,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:07,969 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 16:41:08,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:08,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 26 states and 46 transitions. [2022-10-17 16:41:08,311 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 46 transitions. [2022-10-17 16:41:08,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:41:08,313 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:08,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:08,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:08,398 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:41:08,407 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:41:08,517 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:41:08,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:08,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 52 transitions. [2022-10-17 16:41:08,789 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 52 transitions. [2022-10-17 16:41:08,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:41:08,790 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:08,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:08,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:08,838 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:41:08,840 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:41:08,922 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:41:09,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:09,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 33 states and 61 transitions. [2022-10-17 16:41:09,280 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 61 transitions. [2022-10-17 16:41:09,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 16:41:09,281 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:09,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:09,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:09,327 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-17 16:41:09,329 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:41:09,423 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:41:09,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:09,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 35 states and 66 transitions. [2022-10-17 16:41:09,669 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 66 transitions. [2022-10-17 16:41:09,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-17 16:41:09,672 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:09,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:09,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:09,729 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:41:09,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:41:09,821 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-17 16:41:09,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:09,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 36 states and 69 transitions. [2022-10-17 16:41:09,892 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 69 transitions. [2022-10-17 16:41:09,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-17 16:41:09,894 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:09,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:09,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:09,949 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:41:09,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:41:10,148 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 9 proven. 13 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-10-17 16:41:10,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:10,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 37 states and 66 transitions. [2022-10-17 16:41:10,724 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 66 transitions. [2022-10-17 16:41:10,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-17 16:41:10,725 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:10,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:10,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:10,776 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:41:10,778 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:41:10,903 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-10-17 16:41:11,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:11,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 44 states and 81 transitions. [2022-10-17 16:41:11,571 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 81 transitions. [2022-10-17 16:41:11,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-17 16:41:11,572 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:11,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:11,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:11,610 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 13 conjunts are in the unsatisfiable core [2022-10-17 16:41:11,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:41:11,781 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-10-17 16:41:12,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:12,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 48 states and 88 transitions. [2022-10-17 16:41:12,244 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 88 transitions. [2022-10-17 16:41:12,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 16:41:12,245 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:12,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:12,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:12,277 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 13 conjunts are in the unsatisfiable core [2022-10-17 16:41:12,280 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:41:12,385 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 14 proven. 4 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-10-17 16:41:12,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:12,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 52 states and 96 transitions. [2022-10-17 16:41:12,995 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 96 transitions. [2022-10-17 16:41:12,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-17 16:41:12,996 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:12,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:13,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:13,030 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 19 conjunts are in the unsatisfiable core [2022-10-17 16:41:13,033 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:41:13,267 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 16 proven. 5 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-10-17 16:41:13,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:13,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 53 states and 98 transitions. [2022-10-17 16:41:13,853 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 98 transitions. [2022-10-17 16:41:13,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-17 16:41:13,854 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:13,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:13,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:13,910 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:41:13,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:41:14,030 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2022-10-17 16:41:14,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:14,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 54 states and 101 transitions. [2022-10-17 16:41:14,322 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 101 transitions. [2022-10-17 16:41:14,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-17 16:41:14,324 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:14,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:14,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:14,359 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:41:14,361 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:41:14,424 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 39 proven. 13 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2022-10-17 16:41:14,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:14,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 54 states and 100 transitions. [2022-10-17 16:41:14,722 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 100 transitions. [2022-10-17 16:41:14,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-17 16:41:14,724 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:14,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:14,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:14,786 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 16 conjunts are in the unsatisfiable core [2022-10-17 16:41:14,789 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:41:15,134 WARN L640 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2022-10-17 16:41:15,150 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 22 proven. 7 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2022-10-17 16:41:16,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:16,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 57 states and 106 transitions. [2022-10-17 16:41:16,251 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 106 transitions. [2022-10-17 16:41:16,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-10-17 16:41:16,252 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:16,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:16,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:16,297 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 19 conjunts are in the unsatisfiable core [2022-10-17 16:41:16,300 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:41:16,597 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 22 proven. 13 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2022-10-17 16:41:17,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:17,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 60 states and 112 transitions. [2022-10-17 16:41:17,229 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 112 transitions. [2022-10-17 16:41:17,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-10-17 16:41:17,230 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:17,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:17,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:17,275 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 16 conjunts are in the unsatisfiable core [2022-10-17 16:41:17,277 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:41:17,624 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 24 proven. 7 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2022-10-17 16:41:18,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:18,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 61 states and 115 transitions. [2022-10-17 16:41:18,418 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 115 transitions. [2022-10-17 16:41:18,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-10-17 16:41:18,420 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:18,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:18,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:18,481 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 21 conjunts are in the unsatisfiable core [2022-10-17 16:41:18,484 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:41:18,773 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 24 proven. 15 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2022-10-17 16:41:19,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:19,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 65 states and 122 transitions. [2022-10-17 16:41:19,758 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 122 transitions. [2022-10-17 16:41:19,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-17 16:41:19,759 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:19,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:19,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:19,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 18 conjunts are in the unsatisfiable core [2022-10-17 16:41:19,817 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:41:20,152 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 26 proven. 7 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2022-10-17 16:41:21,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:21,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 67 states and 127 transitions. [2022-10-17 16:41:21,078 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 127 transitions. [2022-10-17 16:41:21,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-17 16:41:21,080 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:21,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:21,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:21,134 INFO L263 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 21 conjunts are in the unsatisfiable core [2022-10-17 16:41:21,136 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:41:21,458 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 26 proven. 17 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2022-10-17 16:41:22,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:22,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 68 states and 129 transitions. [2022-10-17 16:41:22,249 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 129 transitions. [2022-10-17 16:41:22,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-10-17 16:41:22,250 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:22,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:22,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:22,319 INFO L263 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:41:22,321 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:41:22,578 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 55 proven. 13 refuted. 0 times theorem prover too weak. 331 trivial. 0 not checked. [2022-10-17 16:41:23,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:23,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 70 states and 132 transitions. [2022-10-17 16:41:23,202 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 132 transitions. [2022-10-17 16:41:23,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-10-17 16:41:23,203 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:23,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:23,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:23,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 15 conjunts are in the unsatisfiable core [2022-10-17 16:41:23,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:41:23,461 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 28 proven. 19 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2022-10-17 16:41:23,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:23,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 71 states and 135 transitions. [2022-10-17 16:41:23,930 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 135 transitions. [2022-10-17 16:41:23,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-10-17 16:41:23,931 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:23,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:23,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:23,977 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:41:23,979 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:41:24,349 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 55 proven. 19 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2022-10-17 16:41:25,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:25,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 73 states and 138 transitions. [2022-10-17 16:41:25,495 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 138 transitions. [2022-10-17 16:41:25,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-10-17 16:41:25,497 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:25,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:25,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:25,601 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:41:25,605 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:41:25,667 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 69 proven. 13 refuted. 0 times theorem prover too weak. 389 trivial. 0 not checked. [2022-10-17 16:41:26,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:26,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 73 states and 137 transitions. [2022-10-17 16:41:26,037 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 137 transitions. [2022-10-17 16:41:26,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-10-17 16:41:26,039 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:26,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:26,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:26,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 22 conjunts are in the unsatisfiable core [2022-10-17 16:41:26,095 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:41:26,513 INFO L134 CoverageAnalysis]: Checked inductivity of 533 backedges. 32 proven. 21 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2022-10-17 16:41:28,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:28,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 76 states and 143 transitions. [2022-10-17 16:41:28,201 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 143 transitions. [2022-10-17 16:41:28,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-10-17 16:41:28,203 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:28,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:28,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:28,253 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 25 conjunts are in the unsatisfiable core [2022-10-17 16:41:28,259 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:41:28,719 INFO L134 CoverageAnalysis]: Checked inductivity of 542 backedges. 32 proven. 30 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2022-10-17 16:41:29,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:29,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 79 states and 149 transitions. [2022-10-17 16:41:29,950 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 149 transitions. [2022-10-17 16:41:29,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-10-17 16:41:29,951 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:29,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:30,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:30,021 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 23 conjunts are in the unsatisfiable core [2022-10-17 16:41:30,024 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:41:30,681 INFO L134 CoverageAnalysis]: Checked inductivity of 599 backedges. 34 proven. 21 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2022-10-17 16:41:31,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:31,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 80 states and 152 transitions. [2022-10-17 16:41:31,881 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 152 transitions. [2022-10-17 16:41:31,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-10-17 16:41:31,883 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:31,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:31,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:31,941 INFO L263 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 29 conjunts are in the unsatisfiable core [2022-10-17 16:41:31,944 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:41:32,479 INFO L134 CoverageAnalysis]: Checked inductivity of 611 backedges. 34 proven. 33 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2022-10-17 16:41:33,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:33,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 84 states and 159 transitions. [2022-10-17 16:41:33,746 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 159 transitions. [2022-10-17 16:41:33,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-10-17 16:41:33,748 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:33,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:33,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:33,808 INFO L263 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 27 conjunts are in the unsatisfiable core [2022-10-17 16:41:33,811 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:41:34,247 INFO L134 CoverageAnalysis]: Checked inductivity of 669 backedges. 36 proven. 21 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2022-10-17 16:41:35,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:35,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 86 states and 163 transitions. [2022-10-17 16:41:35,677 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 163 transitions. [2022-10-17 16:41:35,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-10-17 16:41:35,679 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:35,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:35,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:35,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 27 conjunts are in the unsatisfiable core [2022-10-17 16:41:35,738 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:41:36,235 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 36 proven. 36 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2022-10-17 16:41:37,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:37,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 87 states and 165 transitions. [2022-10-17 16:41:37,473 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 165 transitions. [2022-10-17 16:41:37,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-10-17 16:41:37,474 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:37,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:37,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:37,548 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 19 conjunts are in the unsatisfiable core [2022-10-17 16:41:37,551 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:41:37,830 INFO L134 CoverageAnalysis]: Checked inductivity of 761 backedges. 38 proven. 39 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2022-10-17 16:41:38,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:38,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 88 states and 168 transitions. [2022-10-17 16:41:38,484 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 168 transitions. [2022-10-17 16:41:38,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-10-17 16:41:38,486 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:38,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:38,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:38,541 INFO L263 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:41:38,544 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:41:38,607 INFO L134 CoverageAnalysis]: Checked inductivity of 842 backedges. 99 proven. 13 refuted. 0 times theorem prover too weak. 730 trivial. 0 not checked. [2022-10-17 16:41:39,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:39,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 88 states and 167 transitions. [2022-10-17 16:41:39,139 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 167 transitions. [2022-10-17 16:41:39,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-10-17 16:41:39,141 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:39,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms