./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/termination-15/array15_alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) 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_9873ffbc-ef2f-4150-b120-b7e4112cc0fe/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9873ffbc-ef2f-4150-b120-b7e4112cc0fe/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_9873ffbc-ef2f-4150-b120-b7e4112cc0fe/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9873ffbc-ef2f-4150-b120-b7e4112cc0fe/bin/ukojak-rkRKPMF4O4/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-15/array15_alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9873ffbc-ef2f-4150-b120-b7e4112cc0fe/bin/ukojak-rkRKPMF4O4/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9873ffbc-ef2f-4150-b120-b7e4112cc0fe/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 00e68ac4f80be925b23bb57b8164307bcf507e35ce753b52ea66514fcb8cc207 --- 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 18:40:26,180 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 18:40:26,181 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 18:40:26,195 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 18:40:26,196 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 18:40:26,196 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 18:40:26,197 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 18:40:26,198 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 18:40:26,199 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 18:40:26,200 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 18:40:26,201 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 18:40:26,201 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 18:40:26,202 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 18:40:26,202 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 18:40:26,203 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 18:40:26,204 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 18:40:26,205 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 18:40:26,205 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 18:40:26,206 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 18:40:26,207 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 18:40:26,208 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 18:40:26,210 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 18:40:26,211 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 18:40:26,212 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 18:40:26,216 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 18:40:26,216 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 18:40:26,216 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 18:40:26,217 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 18:40:26,218 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 18:40:26,218 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 18:40:26,218 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 18:40:26,219 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 18:40:26,220 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 18:40:26,221 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 18:40:26,222 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 18:40:26,222 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 18:40:26,223 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 18:40:26,223 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 18:40:26,223 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 18:40:26,224 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 18:40:26,225 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 18:40:26,225 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9873ffbc-ef2f-4150-b120-b7e4112cc0fe/bin/ukojak-rkRKPMF4O4/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2022-12-14 18:40:26,248 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 18:40:26,248 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 18:40:26,249 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 18:40:26,249 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 18:40:26,249 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 18:40:26,250 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 18:40:26,250 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 18:40:26,250 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 18:40:26,250 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-14 18:40:26,250 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-14 18:40:26,250 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-14 18:40:26,251 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 18:40:26,251 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 18:40:26,251 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 18:40:26,251 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 18:40:26,251 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 18:40:26,251 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 18:40:26,251 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 18:40:26,252 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 18:40:26,252 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 18:40:26,252 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 18:40:26,252 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_9873ffbc-ef2f-4150-b120-b7e4112cc0fe/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9873ffbc-ef2f-4150-b120-b7e4112cc0fe/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 00e68ac4f80be925b23bb57b8164307bcf507e35ce753b52ea66514fcb8cc207 [2022-12-14 18:40:26,440 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 18:40:26,455 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 18:40:26,457 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 18:40:26,458 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 18:40:26,458 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 18:40:26,460 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9873ffbc-ef2f-4150-b120-b7e4112cc0fe/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/termination-15/array15_alloca.i [2022-12-14 18:40:28,988 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 18:40:29,185 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 18:40:29,186 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9873ffbc-ef2f-4150-b120-b7e4112cc0fe/sv-benchmarks/c/termination-15/array15_alloca.i [2022-12-14 18:40:29,196 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9873ffbc-ef2f-4150-b120-b7e4112cc0fe/bin/ukojak-rkRKPMF4O4/data/0da51b3a0/a5f851d3672343b0b8a1c1d9e9082786/FLAG39bea111d [2022-12-14 18:40:29,566 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9873ffbc-ef2f-4150-b120-b7e4112cc0fe/bin/ukojak-rkRKPMF4O4/data/0da51b3a0/a5f851d3672343b0b8a1c1d9e9082786 [2022-12-14 18:40:29,570 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 18:40:29,571 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 18:40:29,573 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 18:40:29,573 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 18:40:29,578 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 18:40:29,579 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:40:29" (1/1) ... [2022-12-14 18:40:29,580 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b81891d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:40:29, skipping insertion in model container [2022-12-14 18:40:29,581 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:40:29" (1/1) ... [2022-12-14 18:40:29,590 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 18:40:29,611 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 18:40:29,786 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 18:40:29,794 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 18:40:29,832 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 18:40:29,851 INFO L208 MainTranslator]: Completed translation [2022-12-14 18:40:29,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:40:29 WrapperNode [2022-12-14 18:40:29,852 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 18:40:29,853 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 18:40:29,853 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 18:40:29,853 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 18:40:29,858 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:40:29" (1/1) ... [2022-12-14 18:40:29,866 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:40:29" (1/1) ... [2022-12-14 18:40:29,880 INFO L138 Inliner]: procedures = 151, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 56 [2022-12-14 18:40:29,880 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 18:40:29,881 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 18:40:29,881 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 18:40:29,881 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 18:40:29,887 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:40:29" (1/1) ... [2022-12-14 18:40:29,887 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:40:29" (1/1) ... [2022-12-14 18:40:29,888 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:40:29" (1/1) ... [2022-12-14 18:40:29,889 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:40:29" (1/1) ... [2022-12-14 18:40:29,892 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:40:29" (1/1) ... [2022-12-14 18:40:29,895 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:40:29" (1/1) ... [2022-12-14 18:40:29,895 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:40:29" (1/1) ... [2022-12-14 18:40:29,896 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:40:29" (1/1) ... [2022-12-14 18:40:29,897 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 18:40:29,898 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 18:40:29,898 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 18:40:29,898 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 18:40:29,899 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:40:29" (1/1) ... [2022-12-14 18:40:29,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 18:40:29,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9873ffbc-ef2f-4150-b120-b7e4112cc0fe/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 18:40:29,921 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9873ffbc-ef2f-4150-b120-b7e4112cc0fe/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 18:40:29,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9873ffbc-ef2f-4150-b120-b7e4112cc0fe/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 18:40:29,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 18:40:29,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 18:40:29,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 18:40:29,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 18:40:29,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 18:40:29,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 18:40:30,017 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 18:40:30,019 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 18:40:30,148 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 18:40:30,191 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 18:40:30,191 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 18:40:30,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:40:30 BoogieIcfgContainer [2022-12-14 18:40:30,193 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 18:40:30,194 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 18:40:30,194 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 18:40:30,205 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 18:40:30,205 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:40:30" (1/1) ... [2022-12-14 18:40:30,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 18:40:30,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:40:30,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 21 states and 24 transitions. [2022-12-14 18:40:30,255 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2022-12-14 18:40:30,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-12-14 18:40:30,257 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:40:30,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:40:30,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:40:30,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:40:30,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:40:30,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 21 states and 23 transitions. [2022-12-14 18:40:30,414 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2022-12-14 18:40:30,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 18:40:30,415 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:40:30,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:40:30,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:40:30,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:40:30,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:40:30,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 23 states and 27 transitions. [2022-12-14 18:40:30,568 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2022-12-14 18:40:30,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 18:40:30,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:40:30,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:40:30,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:40:30,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:40:31,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:40:31,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 25 states and 32 transitions. [2022-12-14 18:40:31,143 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2022-12-14 18:40:31,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 18:40:31,143 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:40:31,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:40:31,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:40:31,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:40:31,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:40:31,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 24 states and 31 transitions. [2022-12-14 18:40:31,174 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 31 transitions. [2022-12-14 18:40:31,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 18:40:31,174 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:40:31,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:40:31,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:40:31,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:40:31,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:40:31,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2022-12-14 18:40:31,358 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2022-12-14 18:40:31,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 18:40:31,358 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:40:31,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:40:31,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:40:31,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:40:31,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:40:31,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 24 states and 31 transitions. [2022-12-14 18:40:31,796 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 31 transitions. [2022-12-14 18:40:31,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 18:40:31,798 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:40:31,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:40:31,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:40:31,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:40:31,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:40:31,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2022-12-14 18:40:31,834 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2022-12-14 18:40:31,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 18:40:31,834 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:40:31,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:40:31,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:40:31,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:40:31,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:40:31,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 29 transitions. [2022-12-14 18:40:31,869 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2022-12-14 18:40:31,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 18:40:31,870 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:40:31,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:40:31,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:40:31,890 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:40:31,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:40:31,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2022-12-14 18:40:31,907 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2022-12-14 18:40:31,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 18:40:31,907 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:40:31,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:40:31,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:40:32,354 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:40:34,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:40:34,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2022-12-14 18:40:34,092 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2022-12-14 18:40:34,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 18:40:34,092 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:40:34,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:40:34,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:40:34,441 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:40:35,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:40:35,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 44 transitions. [2022-12-14 18:40:35,303 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 44 transitions. [2022-12-14 18:40:35,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 18:40:35,304 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:40:35,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:40:35,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:40:35,429 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:40:35,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:40:35,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 52 transitions. [2022-12-14 18:40:35,931 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 52 transitions. [2022-12-14 18:40:35,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 18:40:35,932 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:40:35,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:40:35,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:40:35,943 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:40:36,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:40:36,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 33 states and 54 transitions. [2022-12-14 18:40:36,124 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 54 transitions. [2022-12-14 18:40:36,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 18:40:36,124 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:40:36,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:40:36,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:40:36,399 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:40:37,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:40:37,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 36 states and 62 transitions. [2022-12-14 18:40:37,452 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 62 transitions. [2022-12-14 18:40:37,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 18:40:37,453 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:40:37,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:40:37,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:40:37,498 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:40:38,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:40:38,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 39 states and 68 transitions. [2022-12-14 18:40:38,061 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 68 transitions. [2022-12-14 18:40:38,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 18:40:38,061 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:40:38,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:40:38,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:40:38,105 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:40:38,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:40:38,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 40 states and 70 transitions. [2022-12-14 18:40:38,477 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 70 transitions. [2022-12-14 18:40:38,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 18:40:38,477 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:40:38,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:40:38,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:40:38,670 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 18:40:40,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:40:40,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 50 states and 94 transitions. [2022-12-14 18:40:40,451 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 94 transitions. [2022-12-14 18:40:40,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 18:40:40,452 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:40:40,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:40:40,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:40:40,464 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 18:40:40,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:40:40,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 50 states and 93 transitions. [2022-12-14 18:40:40,716 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 93 transitions. [2022-12-14 18:40:40,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 18:40:40,716 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:40:40,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:40:40,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:40:41,031 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:40:42,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:40:42,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 54 states and 102 transitions. [2022-12-14 18:40:42,636 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 102 transitions. [2022-12-14 18:40:42,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 18:40:42,636 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:40:42,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:40:42,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:40:42,672 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 18:40:43,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:40:43,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 57 states and 108 transitions. [2022-12-14 18:40:43,724 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 108 transitions. [2022-12-14 18:40:43,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 18:40:43,725 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:40:43,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:40:43,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:40:43,757 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:40:44,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:40:44,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 58 states and 111 transitions. [2022-12-14 18:40:44,207 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 111 transitions. [2022-12-14 18:40:44,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 18:40:44,207 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:40:44,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:40:44,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:40:44,787 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:40:46,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:40:46,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 62 states and 134 transitions. [2022-12-14 18:40:46,568 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 134 transitions. [2022-12-14 18:40:46,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 18:40:46,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:40:46,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:40:46,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:40:47,073 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:40:49,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:40:49,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 67 states and 143 transitions. [2022-12-14 18:40:49,357 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 143 transitions. [2022-12-14 18:40:49,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 18:40:49,357 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:40:49,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:40:49,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:40:49,721 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:40:51,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:40:51,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 71 states and 159 transitions. [2022-12-14 18:40:51,553 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 159 transitions. [2022-12-14 18:40:51,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 18:40:51,553 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:40:51,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:40:51,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:40:51,602 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 18:40:52,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:40:52,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 72 states and 162 transitions. [2022-12-14 18:40:52,713 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 162 transitions. [2022-12-14 18:40:52,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 18:40:52,714 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:40:52,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:40:52,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:40:52,850 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:40:53,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:40:53,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 73 states and 162 transitions. [2022-12-14 18:40:53,297 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 162 transitions. [2022-12-14 18:40:53,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 18:40:53,298 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:40:53,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:40:53,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:40:53,339 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 18:40:54,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:40:54,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 76 states and 167 transitions. [2022-12-14 18:40:54,363 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 167 transitions. [2022-12-14 18:40:54,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 18:40:54,363 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:40:54,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:40:54,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:40:54,397 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:40:56,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:40:56,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 80 states and 178 transitions. [2022-12-14 18:40:56,083 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 178 transitions. [2022-12-14 18:40:56,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 18:40:56,084 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:40:56,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:40:56,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:40:56,121 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:40:56,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:40:56,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 81 states and 178 transitions. [2022-12-14 18:40:56,545 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 178 transitions. [2022-12-14 18:40:56,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 18:40:56,545 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:40:56,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:40:56,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:40:56,589 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 18:40:56,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:40:56,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 81 states and 177 transitions. [2022-12-14 18:40:56,611 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 177 transitions. [2022-12-14 18:40:56,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 18:40:56,611 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:40:56,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:40:56,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:40:56,661 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:40:57,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:40:57,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 82 states and 178 transitions. [2022-12-14 18:40:57,327 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 178 transitions. [2022-12-14 18:40:57,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 18:40:57,328 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:40:57,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:40:57,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:40:57,373 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 18:40:57,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:40:57,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 83 states and 178 transitions. [2022-12-14 18:40:57,976 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 178 transitions. [2022-12-14 18:40:57,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 18:40:57,976 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:40:57,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:40:57,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:40:58,366 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:41:00,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:41:00,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 88 states and 198 transitions. [2022-12-14 18:41:00,883 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 198 transitions. [2022-12-14 18:41:00,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 18:41:00,884 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:41:00,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:41:00,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:41:00,922 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:41:01,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:41:01,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 89 states and 200 transitions. [2022-12-14 18:41:01,547 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 200 transitions. [2022-12-14 18:41:01,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 18:41:01,547 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:41:01,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:41:01,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:41:01,576 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-14 18:41:02,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:41:02,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 93 states and 208 transitions. [2022-12-14 18:41:02,761 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 208 transitions. [2022-12-14 18:41:02,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 18:41:02,762 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:41:02,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:41:02,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:41:02,790 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-14 18:41:03,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:41:03,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 96 states and 213 transitions. [2022-12-14 18:41:03,949 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 213 transitions. [2022-12-14 18:41:03,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 18:41:03,949 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:41:03,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:41:03,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:41:03,974 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-14 18:41:03,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:41:03,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 97 states and 213 transitions. [2022-12-14 18:41:03,993 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 213 transitions. [2022-12-14 18:41:03,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 18:41:03,993 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:41:03,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:41:03,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:41:04,019 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 18:41:04,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:41:04,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 98 states and 213 transitions. [2022-12-14 18:41:04,635 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 213 transitions. [2022-12-14 18:41:04,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 18:41:04,635 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:41:04,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:41:04,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:41:05,474 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 7 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:41:07,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:41:07,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 86 states and 167 transitions. [2022-12-14 18:41:07,191 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 167 transitions. [2022-12-14 18:41:07,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 18:41:07,191 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:41:07,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:41:07,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:41:07,230 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-12-14 18:41:07,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:41:07,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 87 states and 168 transitions. [2022-12-14 18:41:07,775 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 168 transitions. [2022-12-14 18:41:07,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 18:41:07,775 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:41:07,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:41:07,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:41:08,324 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 18:41:12,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:41:12,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 92 states and 179 transitions. [2022-12-14 18:41:12,540 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 179 transitions. [2022-12-14 18:41:12,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 18:41:12,540 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:41:12,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:41:12,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:41:13,883 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:41:17,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:41:17,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 97 states and 190 transitions. [2022-12-14 18:41:17,442 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 190 transitions. [2022-12-14 18:41:17,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 18:41:17,442 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:41:17,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:41:17,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:41:17,473 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 18:41:18,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:41:18,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 97 states and 189 transitions. [2022-12-14 18:41:18,175 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 189 transitions. [2022-12-14 18:41:18,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 18:41:18,176 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:41:18,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:41:18,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:41:18,213 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-14 18:41:19,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:41:19,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 98 states and 191 transitions. [2022-12-14 18:41:19,193 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 191 transitions. [2022-12-14 18:41:19,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 18:41:19,193 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:41:19,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:41:19,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:41:19,829 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:41:21,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:41:21,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 99 states and 193 transitions. [2022-12-14 18:41:21,314 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 193 transitions. [2022-12-14 18:41:21,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 18:41:21,314 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:41:21,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:41:21,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:41:21,349 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:41:21,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:41:21,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 101 states and 195 transitions. [2022-12-14 18:41:21,889 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 195 transitions. [2022-12-14 18:41:21,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 18:41:21,889 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:41:21,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:41:21,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:41:21,924 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 2 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:41:22,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:41:22,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 36 states and 55 transitions. [2022-12-14 18:41:22,120 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 55 transitions. [2022-12-14 18:41:22,120 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 18:41:22,120 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 48 iterations. [2022-12-14 18:41:22,127 INFO L754 CodeCheckObserver]: All specifications hold 9 specifications checked. All of them hold [2022-12-14 18:41:23,137 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2022-12-14 18:41:23,146 INFO L560 CodeCheckObserver]: Invariant with dag size 41 [2022-12-14 18:41:23,148 INFO L560 CodeCheckObserver]: Invariant with dag size 27 [2022-12-14 18:41:23,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 06:41:23 ImpRootNode [2022-12-14 18:41:23,149 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 18:41:23,149 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 18:41:23,149 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 18:41:23,150 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 18:41:23,150 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:40:30" (3/4) ... [2022-12-14 18:41:23,152 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 18:41:23,158 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2022-12-14 18:41:23,158 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-12-14 18:41:23,158 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-14 18:41:23,158 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 18:41:23,174 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((arr + length * 4 <= unknown-#length-unknown[arr] + length / 4611686018427387904 * 18446744073709551616 && \valid[arr] == 1) && 1 <= i) && \old(unknown-main_\old_#valid#1-unknown) == \valid[__builtin_alloca(length*sizeof(int)) := 0]) && length / 4611686018427387904 <= 0) && 1 <= length) && 0 <= arr) && i <= 1) || (((((((arr + length * 4 <= unknown-#length-unknown[arr] + length / 4611686018427387904 * 18446744073709551616 && \valid[arr] == 1) && (length <= i || length / 4611686018427387904 <= 0)) && \old(unknown-main_\old_#valid#1-unknown) == \valid[__builtin_alloca(length*sizeof(int)) := 0]) && !(i <= 1)) && 1 <= length) && arr + i * 4 <= unknown-#length-unknown[arr]) && 0 <= arr)) || (((((((arr + length * 4 <= unknown-#length-unknown[arr] + length / 4611686018427387904 * 18446744073709551616 && i == 0) && \valid[arr] == 1) && \old(unknown-main_\old_#valid#1-unknown) == \valid[__builtin_alloca(length*sizeof(int)) := 0]) && length / 4611686018427387904 <= 0) && length * 4 == unknown-#length-unknown[arr] + length / 4611686018427387904 * 18446744073709551616) && 1 <= length) && 0 <= arr) [2022-12-14 18:41:23,174 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid#1-unknown) == \valid [2022-12-14 18:41:23,174 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\valid[arr] == 1 && (j + 1 <= 0 || length <= j)) && \old(unknown-main_\old_#valid#1-unknown) == \valid[__builtin_alloca(length*sizeof(int)) := 0]) || (((\valid[arr] == 1 && \old(unknown-main_\old_#valid#1-unknown) == \valid[__builtin_alloca(length*sizeof(int)) := 0]) && arr + length * 4 <= unknown-#length-unknown[arr]) && 0 <= arr) [2022-12-14 18:41:23,181 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9873ffbc-ef2f-4150-b120-b7e4112cc0fe/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 18:41:23,181 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 18:41:23,182 INFO L158 Benchmark]: Toolchain (without parser) took 53610.55ms. Allocated memory was 136.3MB in the beginning and 163.6MB in the end (delta: 27.3MB). Free memory was 100.9MB in the beginning and 60.9MB in the end (delta: 40.0MB). Peak memory consumption was 67.9MB. Max. memory is 16.1GB. [2022-12-14 18:41:23,182 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 136.3MB. Free memory is still 80.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 18:41:23,182 INFO L158 Benchmark]: CACSL2BoogieTranslator took 279.09ms. Allocated memory is still 136.3MB. Free memory was 100.9MB in the beginning and 83.5MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-14 18:41:23,182 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.51ms. Allocated memory is still 136.3MB. Free memory was 83.5MB in the beginning and 81.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 18:41:23,182 INFO L158 Benchmark]: Boogie Preprocessor took 16.69ms. Allocated memory is still 136.3MB. Free memory was 81.9MB in the beginning and 80.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 18:41:23,183 INFO L158 Benchmark]: RCFGBuilder took 295.84ms. Allocated memory is still 136.3MB. Free memory was 80.7MB in the beginning and 66.2MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-14 18:41:23,183 INFO L158 Benchmark]: CodeCheck took 52954.73ms. Allocated memory was 136.3MB in the beginning and 163.6MB in the end (delta: 27.3MB). Free memory was 66.2MB in the beginning and 64.0MB in the end (delta: 2.2MB). Peak memory consumption was 70.0MB. Max. memory is 16.1GB. [2022-12-14 18:41:23,183 INFO L158 Benchmark]: Witness Printer took 31.85ms. Allocated memory is still 163.6MB. Free memory was 64.0MB in the beginning and 60.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 18:41:23,185 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 21 locations, 9 error locations. Started 1 CEGAR loops. OverallTime: 51.9s, OverallIterations: 48, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7758 SdHoareTripleChecker+Valid, 29.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7147 mSDsluCounter, 4981 SdHoareTripleChecker+Invalid, 26.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4556 mSDsCounter, 4182 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 20495 IncrementalHoareTripleChecker+Invalid, 24677 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4182 mSolverCounterUnsat, 425 mSDtfsCounter, 20495 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6794 GetRequests, 6075 SyntacticMatches, 275 SemanticMatches, 444 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102868 ImplicationChecksByTransitivity, 47.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 8.1s InterpolantComputationTime, 640 NumberOfCodeBlocks, 640 NumberOfCodeBlocksAsserted, 47 NumberOfCheckSat, 593 ConstructedInterpolants, 0 QuantifiedInterpolants, 6903 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 47 InterpolantComputations, 18 PerfectInterpolantSequences, 105/305 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 364]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 9 specifications checked. All of them hold - InvariantResult [Line: 364]: Loop Invariant Derived loop invariant: \old(unknown-main_\old_#valid#1-unknown) == \valid - InvariantResult [Line: 370]: Loop Invariant Derived loop invariant: ((((((((arr + length * 4 <= unknown-#length-unknown[arr] + length / 4611686018427387904 * 18446744073709551616 && \valid[arr] == 1) && 1 <= i) && \old(unknown-main_\old_#valid#1-unknown) == \valid[__builtin_alloca(length*sizeof(int)) := 0]) && length / 4611686018427387904 <= 0) && 1 <= length) && 0 <= arr) && i <= 1) || (((((((arr + length * 4 <= unknown-#length-unknown[arr] + length / 4611686018427387904 * 18446744073709551616 && \valid[arr] == 1) && (length <= i || length / 4611686018427387904 <= 0)) && \old(unknown-main_\old_#valid#1-unknown) == \valid[__builtin_alloca(length*sizeof(int)) := 0]) && !(i <= 1)) && 1 <= length) && arr + i * 4 <= unknown-#length-unknown[arr]) && 0 <= arr)) || (((((((arr + length * 4 <= unknown-#length-unknown[arr] + length / 4611686018427387904 * 18446744073709551616 && i == 0) && \valid[arr] == 1) && \old(unknown-main_\old_#valid#1-unknown) == \valid[__builtin_alloca(length*sizeof(int)) := 0]) && length / 4611686018427387904 <= 0) && length * 4 == unknown-#length-unknown[arr] + length / 4611686018427387904 * 18446744073709551616) && 1 <= length) && 0 <= arr) - InvariantResult [Line: 377]: Loop Invariant Derived loop invariant: ((\valid[arr] == 1 && (j + 1 <= 0 || length <= j)) && \old(unknown-main_\old_#valid#1-unknown) == \valid[__builtin_alloca(length*sizeof(int)) := 0]) || (((\valid[arr] == 1 && \old(unknown-main_\old_#valid#1-unknown) == \valid[__builtin_alloca(length*sizeof(int)) := 0]) && arr + length * 4 <= unknown-#length-unknown[arr]) && 0 <= arr) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 136.3MB. Free memory is still 80.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 279.09ms. Allocated memory is still 136.3MB. Free memory was 100.9MB in the beginning and 83.5MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.51ms. Allocated memory is still 136.3MB. Free memory was 83.5MB in the beginning and 81.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 16.69ms. Allocated memory is still 136.3MB. Free memory was 81.9MB in the beginning and 80.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 295.84ms. Allocated memory is still 136.3MB. Free memory was 80.7MB in the beginning and 66.2MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 52954.73ms. Allocated memory was 136.3MB in the beginning and 163.6MB in the end (delta: 27.3MB). Free memory was 66.2MB in the beginning and 64.0MB in the end (delta: 2.2MB). Peak memory consumption was 70.0MB. Max. memory is 16.1GB. * Witness Printer took 31.85ms. Allocated memory is still 163.6MB. Free memory was 64.0MB in the beginning and 60.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-14 18:41:23,203 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9873ffbc-ef2f-4150-b120-b7e4112cc0fe/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE