./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-pthread/cs_stack-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_152edfbc-9691-441d-8df0-899206ed5169/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_152edfbc-9691-441d-8df0-899206ed5169/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_152edfbc-9691-441d-8df0-899206ed5169/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_152edfbc-9691-441d-8df0-899206ed5169/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-pthread/cs_stack-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_152edfbc-9691-441d-8df0-899206ed5169/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_152edfbc-9691-441d-8df0-899206ed5169/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0a870e8a4a7dff1b238c9b19b47586f7abd44e3f0eb9969b7dad7bbd7f80e506 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 20:32:03,168 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 20:32:03,170 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 20:32:03,188 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 20:32:03,188 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 20:32:03,189 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 20:32:03,190 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 20:32:03,192 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 20:32:03,193 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 20:32:03,194 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 20:32:03,195 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 20:32:03,196 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 20:32:03,196 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 20:32:03,197 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 20:32:03,198 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 20:32:03,199 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 20:32:03,200 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 20:32:03,201 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 20:32:03,202 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 20:32:03,204 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 20:32:03,205 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 20:32:03,207 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 20:32:03,208 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 20:32:03,209 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 20:32:03,212 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 20:32:03,212 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 20:32:03,212 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 20:32:03,213 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 20:32:03,214 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 20:32:03,214 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 20:32:03,215 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 20:32:03,215 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 20:32:03,216 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 20:32:03,217 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 20:32:03,218 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 20:32:03,218 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 20:32:03,219 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 20:32:03,219 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 20:32:03,219 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 20:32:03,220 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 20:32:03,220 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 20:32:03,221 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_152edfbc-9691-441d-8df0-899206ed5169/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-14 20:32:03,241 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 20:32:03,242 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 20:32:03,242 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 20:32:03,242 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 20:32:03,243 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 20:32:03,243 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 20:32:03,244 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 20:32:03,244 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 20:32:03,244 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 20:32:03,244 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 20:32:03,244 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 20:32:03,244 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 20:32:03,244 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 20:32:03,245 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 20:32:03,245 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 20:32:03,245 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 20:32:03,245 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 20:32:03,245 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 20:32:03,245 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 20:32:03,245 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 20:32:03,245 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 20:32:03,246 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 20:32:03,246 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 20:32:03,246 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 20:32:03,246 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 20:32:03,246 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 20:32:03,246 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 20:32:03,246 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 20:32:03,246 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_152edfbc-9691-441d-8df0-899206ed5169/bin/ukojak-rkRKPMF4O4/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_152edfbc-9691-441d-8df0-899206ed5169/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0a870e8a4a7dff1b238c9b19b47586f7abd44e3f0eb9969b7dad7bbd7f80e506 [2022-12-14 20:32:03,436 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 20:32:03,451 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 20:32:03,454 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 20:32:03,455 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 20:32:03,455 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 20:32:03,456 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_152edfbc-9691-441d-8df0-899206ed5169/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/seq-pthread/cs_stack-2.i [2022-12-14 20:32:06,034 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 20:32:06,230 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 20:32:06,230 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_152edfbc-9691-441d-8df0-899206ed5169/sv-benchmarks/c/seq-pthread/cs_stack-2.i [2022-12-14 20:32:06,241 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_152edfbc-9691-441d-8df0-899206ed5169/bin/ukojak-rkRKPMF4O4/data/0cece54bc/29deff302c3b40f5a7bde612925ef530/FLAGfd3990fa0 [2022-12-14 20:32:06,627 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_152edfbc-9691-441d-8df0-899206ed5169/bin/ukojak-rkRKPMF4O4/data/0cece54bc/29deff302c3b40f5a7bde612925ef530 [2022-12-14 20:32:06,634 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 20:32:06,637 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 20:32:06,641 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 20:32:06,641 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 20:32:06,649 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 20:32:06,650 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:32:06" (1/1) ... [2022-12-14 20:32:06,652 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b940b04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:32:06, skipping insertion in model container [2022-12-14 20:32:06,653 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:32:06" (1/1) ... [2022-12-14 20:32:06,663 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 20:32:06,697 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 20:32:06,939 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_152edfbc-9691-441d-8df0-899206ed5169/sv-benchmarks/c/seq-pthread/cs_stack-2.i[34556,34569] [2022-12-14 20:32:07,000 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 20:32:07,010 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 20:32:07,034 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_152edfbc-9691-441d-8df0-899206ed5169/sv-benchmarks/c/seq-pthread/cs_stack-2.i[34556,34569] [2022-12-14 20:32:07,068 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 20:32:07,104 INFO L208 MainTranslator]: Completed translation [2022-12-14 20:32:07,104 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:32:07 WrapperNode [2022-12-14 20:32:07,104 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 20:32:07,105 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 20:32:07,105 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 20:32:07,106 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 20:32:07,111 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:32:07" (1/1) ... [2022-12-14 20:32:07,128 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:32:07" (1/1) ... [2022-12-14 20:32:07,156 INFO L138 Inliner]: procedures = 252, calls = 268, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 601 [2022-12-14 20:32:07,156 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 20:32:07,156 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 20:32:07,157 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 20:32:07,157 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 20:32:07,163 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:32:07" (1/1) ... [2022-12-14 20:32:07,164 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:32:07" (1/1) ... [2022-12-14 20:32:07,169 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:32:07" (1/1) ... [2022-12-14 20:32:07,169 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:32:07" (1/1) ... [2022-12-14 20:32:07,182 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:32:07" (1/1) ... [2022-12-14 20:32:07,185 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:32:07" (1/1) ... [2022-12-14 20:32:07,188 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:32:07" (1/1) ... [2022-12-14 20:32:07,189 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:32:07" (1/1) ... [2022-12-14 20:32:07,193 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 20:32:07,194 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 20:32:07,194 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 20:32:07,194 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 20:32:07,194 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:32:07" (1/1) ... [2022-12-14 20:32:07,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 20:32:07,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_152edfbc-9691-441d-8df0-899206ed5169/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 20:32:07,219 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_152edfbc-9691-441d-8df0-899206ed5169/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 20:32:07,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_152edfbc-9691-441d-8df0-899206ed5169/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 20:32:07,248 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 20:32:07,248 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 20:32:07,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 20:32:07,248 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_lock [2022-12-14 20:32:07,249 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_lock [2022-12-14 20:32:07,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 20:32:07,249 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 20:32:07,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 20:32:07,249 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_unlock [2022-12-14 20:32:07,249 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_unlock [2022-12-14 20:32:07,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 20:32:07,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 20:32:07,249 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2022-12-14 20:32:07,250 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2022-12-14 20:32:07,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 20:32:07,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 20:32:07,250 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2022-12-14 20:32:07,250 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2022-12-14 20:32:07,250 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2022-12-14 20:32:07,250 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2022-12-14 20:32:07,250 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2022-12-14 20:32:07,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2022-12-14 20:32:07,250 INFO L130 BoogieDeclarations]: Found specification of procedure error [2022-12-14 20:32:07,251 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2022-12-14 20:32:07,251 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2022-12-14 20:32:07,251 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2022-12-14 20:32:07,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 20:32:07,251 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 20:32:07,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 20:32:07,402 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 20:32:07,404 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 20:32:07,447 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !(0 != ~__CS_ret~0 % 256); [2022-12-14 20:32:07,447 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume 0 != ~__CS_ret~0 % 256;#res := 0; [2022-12-14 20:32:07,465 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L930-1: assume 0 != ~__CS_ret~0 % 256; [2022-12-14 20:32:07,465 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L930-1: assume !(0 != ~__CS_ret~0 % 256); [2022-12-14 20:32:07,465 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##8: assume !(0 != ~__CS_ret~0 % 256); [2022-12-14 20:32:07,466 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume 0 != ~__CS_ret~0 % 256; [2022-12-14 20:32:07,466 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##7: assume 0 != ~__CS_ret~0 % 256; [2022-12-14 20:32:07,466 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !(0 != ~__CS_ret~0 % 256); [2022-12-14 20:32:07,466 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !(0 != ~__CS_ret~0 % 256); [2022-12-14 20:32:07,466 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume 0 != ~__CS_ret~0 % 256; [2022-12-14 20:32:07,466 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L930: SUMMARY for call __CS_cs(); srcloc: null [2022-12-14 20:32:07,750 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##97: assume !(0 != ~__CS_ret~0 % 256); [2022-12-14 20:32:07,750 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##96: assume 0 != ~__CS_ret~0 % 256;push_#res#1 := 0; [2022-12-14 20:32:07,750 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##54: assume !(0 != ~__CS_ret~0 % 256); [2022-12-14 20:32:07,750 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##53: assume 0 != ~__CS_ret~0 % 256;pop_#res#1 := 0; [2022-12-14 20:32:07,751 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##58: assume !(0 != ~__CS_ret~0 % 256); [2022-12-14 20:32:07,751 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##57: assume 0 != ~__CS_ret~0 % 256;pop_#res#1 := 0; [2022-12-14 20:32:07,751 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume !(0 != ~__CS_ret~0 % 256); [2022-12-14 20:32:07,751 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##42: assume 0 != ~__CS_ret~0 % 256;pop_#res#1 := 0; [2022-12-14 20:32:07,751 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L1002: assume 0 != ~__CS_ret~0 % 256;pop_#res#1 := 0; [2022-12-14 20:32:07,751 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L1002: assume !(0 != ~__CS_ret~0 % 256);pop_#res#1 := 0; [2022-12-14 20:32:07,751 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L986-4: SUMMARY for call __CS_cs(); srcloc: null [2022-12-14 20:32:07,751 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##111: assume 0 != ~__CS_ret~0 % 256;push_#res#1 := 0; [2022-12-14 20:32:07,751 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##112: assume !(0 != ~__CS_ret~0 % 256); [2022-12-14 20:32:17,989 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 20:32:18,106 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 20:32:18,106 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 20:32:18,109 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:32:18 BoogieIcfgContainer [2022-12-14 20:32:18,109 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 20:32:18,110 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 20:32:18,110 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 20:32:18,119 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 20:32:18,119 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:32:18" (1/1) ... [2022-12-14 20:32:18,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 20:32:18,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:32:18,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 196 states and 309 transitions. [2022-12-14 20:32:18,172 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 309 transitions. [2022-12-14 20:32:18,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-12-14 20:32:18,179 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:32:18,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:32:30,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:32:43,509 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2022-12-14 20:32:48,160 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 20:32:48,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:32:48,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 230 states and 361 transitions. [2022-12-14 20:32:48,282 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 361 transitions. [2022-12-14 20:32:48,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-12-14 20:32:48,288 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:32:48,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:32:57,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:33:17,549 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2022-12-14 20:33:21,667 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 20:33:21,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:33:21,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 238 states and 384 transitions. [2022-12-14 20:33:21,758 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 384 transitions. [2022-12-14 20:33:21,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-12-14 20:33:21,762 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:33:21,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:33:30,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:33:49,144 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2022-12-14 20:33:49,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:33:49,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 241 states and 399 transitions. [2022-12-14 20:33:49,200 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 399 transitions. [2022-12-14 20:33:49,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-12-14 20:33:49,203 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:33:49,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:34:06,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:34:24,621 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2022-12-14 20:34:24,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:34:24,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 246 states and 424 transitions. [2022-12-14 20:34:24,762 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 424 transitions. [2022-12-14 20:34:24,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-12-14 20:34:24,764 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:34:24,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:34:39,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:34:57,299 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2022-12-14 20:34:57,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:34:57,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 250 states and 440 transitions. [2022-12-14 20:34:57,424 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 440 transitions. [2022-12-14 20:34:57,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-12-14 20:34:57,427 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:34:57,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:35:20,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:35:38,552 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2022-12-14 20:35:38,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:35:38,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 252 states and 446 transitions. [2022-12-14 20:35:38,658 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 446 transitions. [2022-12-14 20:35:38,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-12-14 20:35:38,660 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:35:38,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:35:48,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:36:08,020 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2022-12-14 20:36:12,986 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 20:36:13,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:36:13,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 258 states and 472 transitions. [2022-12-14 20:36:13,336 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 472 transitions. [2022-12-14 20:36:13,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-12-14 20:36:13,339 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:36:13,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:36:23,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:36:43,300 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2022-12-14 20:36:43,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:36:43,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 261 states and 489 transitions. [2022-12-14 20:36:43,516 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 489 transitions. [2022-12-14 20:36:43,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-12-14 20:36:43,519 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:36:43,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:36:56,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:37:12,706 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2022-12-14 20:37:17,314 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 20:37:17,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:37:17,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 261 states and 486 transitions. [2022-12-14 20:37:17,386 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 486 transitions. [2022-12-14 20:37:17,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-12-14 20:37:17,388 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:37:17,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:37:31,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:37:49,777 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2022-12-14 20:37:49,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:37:49,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 262 states and 486 transitions. [2022-12-14 20:37:49,906 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 486 transitions. [2022-12-14 20:37:49,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-12-14 20:37:49,910 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:37:49,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:38:03,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:38:21,703 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2022-12-14 20:38:21,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:38:21,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 263 states and 491 transitions. [2022-12-14 20:38:21,777 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 491 transitions. [2022-12-14 20:38:21,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-12-14 20:38:21,779 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:38:21,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:38:29,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:38:48,583 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2022-12-14 20:38:48,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:38:48,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 263 states and 490 transitions. [2022-12-14 20:38:48,608 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 490 transitions. [2022-12-14 20:38:48,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-12-14 20:38:48,609 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:38:48,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:38:57,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:39:16,781 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2022-12-14 20:39:22,073 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 20:39:22,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:39:22,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 274 states and 527 transitions. [2022-12-14 20:39:22,570 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 527 transitions. [2022-12-14 20:39:22,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-12-14 20:39:22,572 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:39:22,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:39:29,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:39:48,425 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2022-12-14 20:39:48,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:39:48,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 277 states and 534 transitions. [2022-12-14 20:39:48,446 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 534 transitions. [2022-12-14 20:39:48,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-12-14 20:39:48,447 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:39:48,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:40:07,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:40:25,238 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2022-12-14 20:40:25,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:40:25,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 280 states and 540 transitions. [2022-12-14 20:40:25,261 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 540 transitions. [2022-12-14 20:40:25,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-12-14 20:40:25,263 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:40:25,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:40:37,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:40:44,746 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2022-12-14 20:40:44,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:40:44,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 281 states and 542 transitions. [2022-12-14 20:40:44,897 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 542 transitions. [2022-12-14 20:40:44,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-12-14 20:40:44,898 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:40:44,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:40:55,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:41:14,920 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2022-12-14 20:41:14,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:41:14,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 281 states and 541 transitions. [2022-12-14 20:41:14,942 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 541 transitions. [2022-12-14 20:41:14,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-12-14 20:41:14,943 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:41:14,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:41:24,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:41:43,756 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2022-12-14 20:41:43,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:41:43,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 283 states and 544 transitions. [2022-12-14 20:41:43,774 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 544 transitions. [2022-12-14 20:41:43,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-12-14 20:41:43,776 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:41:43,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:41:58,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:42:15,442 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2022-12-14 20:42:15,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:42:15,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 283 states and 543 transitions. [2022-12-14 20:42:15,468 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 543 transitions. [2022-12-14 20:42:15,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-12-14 20:42:15,469 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:42:15,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:42:24,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:42:43,966 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2022-12-14 20:42:44,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:42:44,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 285 states and 551 transitions. [2022-12-14 20:42:44,059 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 551 transitions. [2022-12-14 20:42:44,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-12-14 20:42:44,060 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:42:44,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:42:59,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:43:21,444 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2022-12-14 20:43:22,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:43:22,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 293 states and 620 transitions. [2022-12-14 20:43:22,404 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 620 transitions. [2022-12-14 20:43:22,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-12-14 20:43:22,405 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:43:22,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:43:39,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:44:00,907 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2022-12-14 20:44:01,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:44:01,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 295 states and 634 transitions. [2022-12-14 20:44:01,104 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 634 transitions. [2022-12-14 20:44:01,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-12-14 20:44:01,107 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:44:01,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:44:18,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:44:40,113 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2022-12-14 20:44:40,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:44:40,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 703 states to 297 states and 648 transitions. [2022-12-14 20:44:40,309 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 648 transitions. [2022-12-14 20:44:40,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-12-14 20:44:40,310 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:44:40,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:44:49,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:44:56,921 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2022-12-14 20:44:57,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:44:57,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 298 states and 650 transitions. [2022-12-14 20:44:57,088 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 650 transitions. [2022-12-14 20:44:57,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-12-14 20:44:57,090 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:44:57,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:45:07,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:45:27,477 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2022-12-14 20:45:27,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:45:27,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 300 states and 660 transitions. [2022-12-14 20:45:27,726 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 660 transitions. [2022-12-14 20:45:27,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-12-14 20:45:27,728 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:45:27,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:45:41,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:46:02,382 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2022-12-14 20:46:02,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:46:02,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 302 states and 670 transitions. [2022-12-14 20:46:02,601 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 670 transitions. [2022-12-14 20:46:02,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-12-14 20:46:02,605 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:46:02,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms