./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety-ext3/getNumbers2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04b32a2-b00a-4410-8645-c034935ed5e2/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04b32a2-b00a-4410-8645-c034935ed5e2/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_b04b32a2-b00a-4410-8645-c034935ed5e2/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04b32a2-b00a-4410-8645-c034935ed5e2/bin/ukojak-rkRKPMF4O4/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety-ext3/getNumbers2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04b32a2-b00a-4410-8645-c034935ed5e2/bin/ukojak-rkRKPMF4O4/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04b32a2-b00a-4410-8645-c034935ed5e2/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 32bit --witnessprinter.graph.data.programhash cf0bb070a6f67963fcaf42c16427fd9b591ad6ca597a21a650e9cf23fa51a6dd --- 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 22:19:17,712 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 22:19:17,714 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 22:19:17,733 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 22:19:17,734 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 22:19:17,735 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 22:19:17,736 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 22:19:17,738 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 22:19:17,739 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 22:19:17,740 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 22:19:17,741 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 22:19:17,742 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 22:19:17,742 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 22:19:17,743 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 22:19:17,744 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 22:19:17,745 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 22:19:17,746 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 22:19:17,747 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 22:19:17,748 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 22:19:17,750 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 22:19:17,751 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 22:19:17,752 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 22:19:17,753 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 22:19:17,753 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 22:19:17,755 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 22:19:17,756 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 22:19:17,756 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 22:19:17,756 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 22:19:17,756 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 22:19:17,757 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 22:19:17,757 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 22:19:17,758 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 22:19:17,758 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 22:19:17,759 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 22:19:17,759 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 22:19:17,759 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 22:19:17,760 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 22:19:17,760 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 22:19:17,760 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 22:19:17,761 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 22:19:17,761 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 22:19:17,762 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04b32a2-b00a-4410-8645-c034935ed5e2/bin/ukojak-rkRKPMF4O4/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-12-14 22:19:17,775 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 22:19:17,776 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 22:19:17,782 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 22:19:17,783 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 22:19:17,783 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 22:19:17,783 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 22:19:17,783 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 22:19:17,783 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 22:19:17,784 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 22:19:17,784 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 22:19:17,784 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-14 22:19:17,784 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-14 22:19:17,784 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-14 22:19:17,784 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 22:19:17,785 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 22:19:17,785 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 22:19:17,785 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 22:19:17,785 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 22:19:17,785 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 22:19:17,786 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 22:19:17,786 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 22:19:17,786 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 22:19:17,786 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 22:19:17,786 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 22:19:17,786 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_b04b32a2-b00a-4410-8645-c034935ed5e2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04b32a2-b00a-4410-8645-c034935ed5e2/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cf0bb070a6f67963fcaf42c16427fd9b591ad6ca597a21a650e9cf23fa51a6dd [2022-12-14 22:19:17,981 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 22:19:18,000 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 22:19:18,002 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 22:19:18,003 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 22:19:18,004 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 22:19:18,005 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04b32a2-b00a-4410-8645-c034935ed5e2/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/memsafety-ext3/getNumbers2.c [2022-12-14 22:19:20,512 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 22:19:20,689 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 22:19:20,690 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04b32a2-b00a-4410-8645-c034935ed5e2/sv-benchmarks/c/memsafety-ext3/getNumbers2.c [2022-12-14 22:19:20,694 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04b32a2-b00a-4410-8645-c034935ed5e2/bin/ukojak-rkRKPMF4O4/data/964fc3b87/00574eba47a54b899ac0ed7e6284be38/FLAGdd793b462 [2022-12-14 22:19:21,098 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04b32a2-b00a-4410-8645-c034935ed5e2/bin/ukojak-rkRKPMF4O4/data/964fc3b87/00574eba47a54b899ac0ed7e6284be38 [2022-12-14 22:19:21,100 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 22:19:21,101 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 22:19:21,102 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 22:19:21,102 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 22:19:21,104 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 22:19:21,105 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:19:21" (1/1) ... [2022-12-14 22:19:21,106 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3753ce1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:19:21, skipping insertion in model container [2022-12-14 22:19:21,106 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:19:21" (1/1) ... [2022-12-14 22:19:21,111 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 22:19:21,120 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 22:19:21,217 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 22:19:21,226 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 22:19:21,237 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 22:19:21,246 INFO L208 MainTranslator]: Completed translation [2022-12-14 22:19:21,247 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:19:21 WrapperNode [2022-12-14 22:19:21,247 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 22:19:21,248 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 22:19:21,248 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 22:19:21,248 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 22:19:21,253 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:19:21" (1/1) ... [2022-12-14 22:19:21,258 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:19:21" (1/1) ... [2022-12-14 22:19:21,270 INFO L138 Inliner]: procedures = 10, calls = 12, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 46 [2022-12-14 22:19:21,270 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 22:19:21,271 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 22:19:21,271 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 22:19:21,271 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 22:19:21,277 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:19:21" (1/1) ... [2022-12-14 22:19:21,277 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:19:21" (1/1) ... [2022-12-14 22:19:21,278 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:19:21" (1/1) ... [2022-12-14 22:19:21,278 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:19:21" (1/1) ... [2022-12-14 22:19:21,281 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:19:21" (1/1) ... [2022-12-14 22:19:21,283 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:19:21" (1/1) ... [2022-12-14 22:19:21,284 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:19:21" (1/1) ... [2022-12-14 22:19:21,284 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:19:21" (1/1) ... [2022-12-14 22:19:21,285 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 22:19:21,286 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 22:19:21,286 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 22:19:21,286 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 22:19:21,287 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:19:21" (1/1) ... [2022-12-14 22:19:21,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 22:19:21,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04b32a2-b00a-4410-8645-c034935ed5e2/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 22:19:21,307 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04b32a2-b00a-4410-8645-c034935ed5e2/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 22:19:21,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04b32a2-b00a-4410-8645-c034935ed5e2/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 22:19:21,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 22:19:21,332 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 22:19:21,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 22:19:21,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 22:19:21,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 22:19:21,332 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 22:19:21,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 22:19:21,391 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 22:19:21,392 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 22:19:21,500 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 22:19:21,525 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 22:19:21,525 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 22:19:21,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:19:21 BoogieIcfgContainer [2022-12-14 22:19:21,527 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 22:19:21,528 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 22:19:21,528 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 22:19:21,535 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 22:19:21,535 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:19:21" (1/1) ... [2022-12-14 22:19:21,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 22:19:21,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:19:21,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 18 states and 19 transitions. [2022-12-14 22:19:21,580 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2022-12-14 22:19:21,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-12-14 22:19:21,581 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:19:21,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:19:21,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:19:21,715 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 22:19:21,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:19:21,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 17 states and 18 transitions. [2022-12-14 22:19:21,755 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2022-12-14 22:19:21,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-12-14 22:19:21,756 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:19:21,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:19:21,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:19:21,843 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 22:19:21,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:19:21,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 19 states and 20 transitions. [2022-12-14 22:19:21,947 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2022-12-14 22:19:21,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 22:19:21,947 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:19:21,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:19:21,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:19:22,087 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 22:19:22,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:19:22,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 18 states and 19 transitions. [2022-12-14 22:19:22,340 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2022-12-14 22:19:22,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 22:19:22,340 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:19:22,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:19:22,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:19:22,402 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 22:19:22,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:19:22,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 19 states and 20 transitions. [2022-12-14 22:19:22,517 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2022-12-14 22:19:22,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 22:19:22,518 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:19:22,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:19:22,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:19:22,559 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 22:19:22,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:19:22,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 20 states and 22 transitions. [2022-12-14 22:19:22,590 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2022-12-14 22:19:22,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 22:19:22,590 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:19:22,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:19:22,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:19:22,659 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:19:22,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:19:22,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 22 states and 24 transitions. [2022-12-14 22:19:22,851 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2022-12-14 22:19:22,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 22:19:22,851 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:19:22,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:19:22,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:19:22,924 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 22:19:23,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:19:23,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 24 states and 26 transitions. [2022-12-14 22:19:23,142 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 26 transitions. [2022-12-14 22:19:23,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 22:19:23,142 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:19:23,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:19:23,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:19:23,222 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:19:23,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:19:23,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 26 states and 28 transitions. [2022-12-14 22:19:23,448 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 28 transitions. [2022-12-14 22:19:23,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 22:19:23,448 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:19:23,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:19:23,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:19:23,524 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:19:23,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:19:23,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 28 states and 30 transitions. [2022-12-14 22:19:23,794 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 30 transitions. [2022-12-14 22:19:23,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 22:19:23,795 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:19:23,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:19:23,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:19:23,868 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:19:24,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:19:24,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 30 states and 32 transitions. [2022-12-14 22:19:24,169 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 32 transitions. [2022-12-14 22:19:24,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 22:19:24,170 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:19:24,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:19:24,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:19:24,257 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:19:24,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:19:24,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 32 states and 34 transitions. [2022-12-14 22:19:24,547 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 34 transitions. [2022-12-14 22:19:24,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 22:19:24,547 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:19:24,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:19:24,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:19:24,658 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:19:24,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:19:24,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 34 states and 36 transitions. [2022-12-14 22:19:24,945 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 36 transitions. [2022-12-14 22:19:24,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 22:19:24,945 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:19:24,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:19:24,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:19:25,034 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:19:25,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:19:25,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 36 states and 37 transitions. [2022-12-14 22:19:25,266 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 37 transitions. [2022-12-14 22:19:25,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 22:19:25,266 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:19:25,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:19:25,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:19:25,456 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-12-14 22:19:27,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:19:27,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 38 states and 41 transitions. [2022-12-14 22:19:27,377 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 41 transitions. [2022-12-14 22:19:27,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 22:19:27,379 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:19:27,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:19:27,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:19:27,553 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-12-14 22:19:27,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:19:27,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 40 states and 43 transitions. [2022-12-14 22:19:27,913 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 43 transitions. [2022-12-14 22:19:27,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-14 22:19:27,914 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:19:27,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:19:27,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:19:28,026 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-12-14 22:19:28,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:19:28,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 41 states and 45 transitions. [2022-12-14 22:19:28,373 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 45 transitions. [2022-12-14 22:19:28,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-14 22:19:28,374 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:19:28,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:19:28,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:19:28,531 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-12-14 22:19:29,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:19:29,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 44 states and 49 transitions. [2022-12-14 22:19:29,171 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 49 transitions. [2022-12-14 22:19:29,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-14 22:19:29,172 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:19:29,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:19:29,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:19:29,275 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-12-14 22:19:29,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:19:29,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 45 states and 51 transitions. [2022-12-14 22:19:29,431 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 51 transitions. [2022-12-14 22:19:29,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-14 22:19:29,431 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:19:29,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:19:29,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:19:29,620 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-12-14 22:19:30,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:19:30,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 48 states and 57 transitions. [2022-12-14 22:19:30,297 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 57 transitions. [2022-12-14 22:19:30,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-14 22:19:30,298 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:19:30,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:19:30,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:19:30,324 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-12-14 22:19:30,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:19:30,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 50 states and 59 transitions. [2022-12-14 22:19:30,761 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 59 transitions. [2022-12-14 22:19:30,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 22:19:30,761 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:19:30,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:19:30,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:19:30,785 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-12-14 22:19:31,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:19:31,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 50 states and 58 transitions. [2022-12-14 22:19:31,064 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 58 transitions. [2022-12-14 22:19:31,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 22:19:31,068 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:19:31,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:19:31,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:19:31,470 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2022-12-14 22:19:32,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:19:32,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 53 states and 62 transitions. [2022-12-14 22:19:32,686 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 62 transitions. [2022-12-14 22:19:32,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 22:19:32,686 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:19:32,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:19:32,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:19:32,791 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-12-14 22:19:33,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:19:33,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 55 states and 66 transitions. [2022-12-14 22:19:33,376 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 66 transitions. [2022-12-14 22:19:33,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 22:19:33,376 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:19:33,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:19:33,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:19:33,579 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-12-14 22:19:34,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:19:34,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 58 states and 73 transitions. [2022-12-14 22:19:34,449 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 73 transitions. [2022-12-14 22:19:34,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 22:19:34,449 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:19:34,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:19:34,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:19:34,467 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2022-12-14 22:19:34,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:19:34,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 60 states and 75 transitions. [2022-12-14 22:19:34,859 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 75 transitions. [2022-12-14 22:19:34,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-14 22:19:34,860 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:19:34,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:19:34,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:19:34,877 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2022-12-14 22:19:35,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:19:35,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 60 states and 74 transitions. [2022-12-14 22:19:35,233 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 74 transitions. [2022-12-14 22:19:35,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-14 22:19:35,234 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:19:35,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:19:35,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:19:35,302 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2022-12-14 22:19:35,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:19:35,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 62 states and 75 transitions. [2022-12-14 22:19:35,878 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 75 transitions. [2022-12-14 22:19:35,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-14 22:19:35,879 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:19:35,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:19:35,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:19:36,000 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-12-14 22:19:36,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:19:36,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 64 states and 79 transitions. [2022-12-14 22:19:36,583 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 79 transitions. [2022-12-14 22:19:36,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-14 22:19:36,584 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:19:36,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:19:36,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:19:36,806 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-12-14 22:19:37,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:19:37,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 67 states and 86 transitions. [2022-12-14 22:19:37,810 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 86 transitions. [2022-12-14 22:19:37,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-14 22:19:37,810 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:19:37,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:19:37,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:19:37,830 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2022-12-14 22:19:38,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:19:38,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 69 states and 88 transitions. [2022-12-14 22:19:38,339 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 88 transitions. [2022-12-14 22:19:38,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-14 22:19:38,339 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:19:38,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:19:38,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:19:38,357 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2022-12-14 22:19:38,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:19:38,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 69 states and 87 transitions. [2022-12-14 22:19:38,647 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 87 transitions. [2022-12-14 22:19:38,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-14 22:19:38,647 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:19:38,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:19:38,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:19:38,712 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-12-14 22:19:39,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:19:39,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 71 states and 88 transitions. [2022-12-14 22:19:39,195 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 88 transitions. [2022-12-14 22:19:39,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-12-14 22:19:39,196 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:19:39,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:19:39,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:19:39,321 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-12-14 22:19:39,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:19:39,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 73 states and 92 transitions. [2022-12-14 22:19:39,858 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 92 transitions. [2022-12-14 22:19:39,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-12-14 22:19:39,858 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:19:39,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:19:39,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:19:40,075 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-12-14 22:19:40,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:19:40,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 76 states and 99 transitions. [2022-12-14 22:19:40,909 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 99 transitions. [2022-12-14 22:19:40,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-12-14 22:19:40,910 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:19:40,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:19:40,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:19:40,932 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2022-12-14 22:19:41,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:19:41,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 78 states and 101 transitions. [2022-12-14 22:19:41,399 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 101 transitions. [2022-12-14 22:19:41,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-12-14 22:19:41,399 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:19:41,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:19:41,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:19:41,422 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2022-12-14 22:19:41,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:19:41,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 78 states and 100 transitions. [2022-12-14 22:19:41,692 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 100 transitions. [2022-12-14 22:19:41,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-12-14 22:19:41,693 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:19:41,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:19:41,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:19:41,763 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2022-12-14 22:19:42,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:19:42,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 80 states and 101 transitions. [2022-12-14 22:19:42,255 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 101 transitions. [2022-12-14 22:19:42,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-12-14 22:19:42,255 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:19:42,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:19:42,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:19:42,381 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-12-14 22:19:42,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:19:42,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 82 states and 105 transitions. [2022-12-14 22:19:42,864 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 105 transitions. [2022-12-14 22:19:42,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-12-14 22:19:42,864 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:19:42,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:19:42,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:19:43,082 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-12-14 22:19:44,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:19:44,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 85 states and 112 transitions. [2022-12-14 22:19:44,027 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 112 transitions. [2022-12-14 22:19:44,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-12-14 22:19:44,027 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:19:44,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:19:44,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:19:44,046 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2022-12-14 22:19:44,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:19:44,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 87 states and 114 transitions. [2022-12-14 22:19:44,648 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 114 transitions. [2022-12-14 22:19:44,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-12-14 22:19:44,648 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:19:44,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:19:44,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:19:44,667 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2022-12-14 22:19:45,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:19:45,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 87 states and 113 transitions. [2022-12-14 22:19:45,055 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 113 transitions. [2022-12-14 22:19:45,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-12-14 22:19:45,055 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:19:45,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:19:45,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:19:45,122 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2022-12-14 22:19:45,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:19:45,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 89 states and 114 transitions. [2022-12-14 22:19:45,666 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 114 transitions. [2022-12-14 22:19:45,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-12-14 22:19:45,666 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:19:45,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:19:45,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:19:45,810 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-12-14 22:19:46,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:19:46,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 91 states and 118 transitions. [2022-12-14 22:19:46,394 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 118 transitions. [2022-12-14 22:19:46,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-12-14 22:19:46,394 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:19:46,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:19:46,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:19:46,660 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-12-14 22:19:47,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:19:47,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 94 states and 125 transitions. [2022-12-14 22:19:47,711 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 125 transitions. [2022-12-14 22:19:47,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-12-14 22:19:47,712 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:19:47,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:19:47,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:19:47,731 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2022-12-14 22:19:48,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:19:48,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 96 states and 127 transitions. [2022-12-14 22:19:48,344 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 127 transitions. [2022-12-14 22:19:48,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-12-14 22:19:48,345 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:19:48,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:19:48,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:19:48,369 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2022-12-14 22:19:48,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:19:48,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 96 states and 126 transitions. [2022-12-14 22:19:48,809 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 126 transitions. [2022-12-14 22:19:48,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-12-14 22:19:48,810 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:19:48,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:19:48,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:19:48,891 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-12-14 22:19:49,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:19:49,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 98 states and 127 transitions. [2022-12-14 22:19:49,449 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 127 transitions. [2022-12-14 22:19:49,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-12-14 22:19:49,449 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:19:49,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:19:49,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:19:49,579 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-12-14 22:19:50,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:19:50,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 100 states and 131 transitions. [2022-12-14 22:19:50,205 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 131 transitions. [2022-12-14 22:19:50,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-12-14 22:19:50,206 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:19:50,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:19:50,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:19:50,516 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-12-14 22:19:51,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:19:51,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 103 states and 138 transitions. [2022-12-14 22:19:51,646 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 138 transitions. [2022-12-14 22:19:51,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-12-14 22:19:51,647 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:19:51,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:19:51,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:19:51,675 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2022-12-14 22:19:52,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:19:52,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 105 states and 140 transitions. [2022-12-14 22:19:52,306 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 140 transitions. [2022-12-14 22:19:52,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-12-14 22:19:52,307 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:19:52,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:19:52,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:19:52,328 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2022-12-14 22:19:52,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:19:52,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 105 states and 139 transitions. [2022-12-14 22:19:52,735 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 139 transitions. [2022-12-14 22:19:52,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-12-14 22:19:52,735 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:19:52,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:19:52,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:19:52,812 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 7 proven. 7 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2022-12-14 22:19:53,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:19:53,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 107 states and 140 transitions. [2022-12-14 22:19:53,377 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 140 transitions. [2022-12-14 22:19:53,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-12-14 22:19:53,377 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:19:53,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:19:53,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:19:53,550 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-12-14 22:19:54,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:19:54,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 109 states and 144 transitions. [2022-12-14 22:19:54,162 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 144 transitions. [2022-12-14 22:19:54,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-12-14 22:19:54,163 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:19:54,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:19:54,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:19:54,429 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-12-14 22:19:55,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:19:55,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 112 states and 151 transitions. [2022-12-14 22:19:55,490 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 151 transitions. [2022-12-14 22:19:55,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-12-14 22:19:55,491 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:19:55,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:19:55,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:19:55,518 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2022-12-14 22:19:56,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:19:56,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 114 states and 153 transitions. [2022-12-14 22:19:56,050 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 153 transitions. [2022-12-14 22:19:56,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-12-14 22:19:56,051 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:19:56,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:19:56,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:19:56,073 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2022-12-14 22:19:56,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:19:56,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 114 states and 152 transitions. [2022-12-14 22:19:56,453 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 152 transitions. [2022-12-14 22:19:56,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-12-14 22:19:56,453 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:19:56,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:19:56,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:19:56,543 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 8 proven. 8 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2022-12-14 22:19:57,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:19:57,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 116 states and 153 transitions. [2022-12-14 22:19:57,099 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 153 transitions. [2022-12-14 22:19:57,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-12-14 22:19:57,099 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:19:57,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:19:57,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:19:57,260 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-12-14 22:19:57,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:19:57,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 118 states and 156 transitions. [2022-12-14 22:19:57,787 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 156 transitions. [2022-12-14 22:19:57,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-12-14 22:19:57,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:19:57,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:19:57,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:19:58,063 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-12-14 22:19:59,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:19:59,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 121 states and 163 transitions. [2022-12-14 22:19:59,281 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 163 transitions. [2022-12-14 22:19:59,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-12-14 22:19:59,281 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:19:59,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:19:59,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:19:59,312 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2022-12-14 22:19:59,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:19:59,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 123 states and 165 transitions. [2022-12-14 22:19:59,913 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 165 transitions. [2022-12-14 22:19:59,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-12-14 22:19:59,913 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:19:59,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:19:59,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:19:59,937 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2022-12-14 22:20:00,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:20:00,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 123 states and 164 transitions. [2022-12-14 22:20:00,336 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 164 transitions. [2022-12-14 22:20:00,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-12-14 22:20:00,336 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:20:00,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:20:00,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:20:00,417 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 9 proven. 9 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2022-12-14 22:20:00,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:20:00,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 59 states and 58 transitions. [2022-12-14 22:20:00,970 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 58 transitions. [2022-12-14 22:20:00,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-12-14 22:20:00,970 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:20:00,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:20:00,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 22:20:00,991 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 22:20:01,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 22:20:01,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 22:20:01,304 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 22:20:01,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 22:20:01,476 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 63 iterations. [2022-12-14 22:20:01,510 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 10:20:01 ImpRootNode [2022-12-14 22:20:01,510 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 22:20:01,511 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 22:20:01,511 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 22:20:01,511 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 22:20:01,511 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:19:21" (3/4) ... [2022-12-14 22:20:01,512 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-14 22:20:01,558 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04b32a2-b00a-4410-8645-c034935ed5e2/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 22:20:01,558 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 22:20:01,559 INFO L158 Benchmark]: Toolchain (without parser) took 40457.96ms. Allocated memory was 130.0MB in the beginning and 293.6MB in the end (delta: 163.6MB). Free memory was 94.2MB in the beginning and 180.2MB in the end (delta: -86.1MB). Peak memory consumption was 79.7MB. Max. memory is 16.1GB. [2022-12-14 22:20:01,560 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 130.0MB. Free memory is still 99.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 22:20:01,560 INFO L158 Benchmark]: CACSL2BoogieTranslator took 145.20ms. Allocated memory is still 130.0MB. Free memory was 93.8MB in the beginning and 84.1MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 22:20:01,560 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.78ms. Allocated memory is still 130.0MB. Free memory was 84.1MB in the beginning and 82.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 22:20:01,561 INFO L158 Benchmark]: Boogie Preprocessor took 14.72ms. Allocated memory is still 130.0MB. Free memory was 82.4MB in the beginning and 81.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 22:20:01,561 INFO L158 Benchmark]: RCFGBuilder took 241.19ms. Allocated memory is still 130.0MB. Free memory was 81.2MB in the beginning and 67.7MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-14 22:20:01,562 INFO L158 Benchmark]: CodeCheck took 39982.75ms. Allocated memory was 130.0MB in the beginning and 293.6MB in the end (delta: 163.6MB). Free memory was 67.7MB in the beginning and 184.5MB in the end (delta: -116.8MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2022-12-14 22:20:01,562 INFO L158 Benchmark]: Witness Printer took 47.97ms. Allocated memory is still 293.6MB. Free memory was 184.5MB in the beginning and 180.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 22:20:01,564 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, 18 locations, 9 error locations. Started 1 CEGAR loops. OverallTime: 39.9s, OverallIterations: 63, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 9080 SdHoareTripleChecker+Valid, 33.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8160 mSDsluCounter, 596 SdHoareTripleChecker+Invalid, 29.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 124 mSDsCounter, 8065 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 29604 IncrementalHoareTripleChecker+Invalid, 37669 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8065 mSolverCounterUnsat, 472 mSDtfsCounter, 29604 mSolverCounterSat, 0.5s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 13192 GetRequests, 12223 SyntacticMatches, 507 SemanticMatches, 462 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96569 ImplicationChecksByTransitivity, 33.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 5.7s InterpolantComputationTime, 2070 NumberOfCodeBlocks, 2070 NumberOfCodeBlocksAsserted, 63 NumberOfCheckSat, 1954 ConstructedInterpolants, 0 QuantifiedInterpolants, 11136 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 62 InterpolantComputations, 25 PerfectInterpolantSequences, 6299/7486 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 - CounterExampleResult [Line: -1]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L1] int array[10]; [L25] CALL, EXPR getNumbers2() [L13] CALL, EXPR getNumbers() [L5] int i = 0; VAL [array={1:0}, i=0] [L5] COND TRUE i < 10 VAL [array={1:0}, i=0] [L6] array[i] = i [L5] ++i VAL [array={1:0}, i=1] [L5] COND TRUE i < 10 VAL [array={1:0}, i=1] [L6] array[i] = i [L5] ++i VAL [array={1:0}, i=2] [L5] COND TRUE i < 10 VAL [array={1:0}, i=2] [L6] array[i] = i [L5] ++i VAL [array={1:0}, i=3] [L5] COND TRUE i < 10 VAL [array={1:0}, i=3] [L6] array[i] = i [L5] ++i VAL [array={1:0}, i=4] [L5] COND TRUE i < 10 VAL [array={1:0}, i=4] [L6] array[i] = i [L5] ++i VAL [array={1:0}, i=5] [L5] COND TRUE i < 10 VAL [array={1:0}, i=5] [L6] array[i] = i [L5] ++i VAL [array={1:0}, i=6] [L5] COND TRUE i < 10 VAL [array={1:0}, i=6] [L6] array[i] = i [L5] ++i VAL [array={1:0}, i=7] [L5] COND TRUE i < 10 VAL [array={1:0}, i=7] [L6] array[i] = i [L5] ++i VAL [array={1:0}, i=8] [L5] COND TRUE i < 10 VAL [array={1:0}, i=8] [L6] array[i] = i [L5] ++i VAL [array={1:0}, i=9] [L5] COND TRUE i < 10 VAL [array={1:0}, i=9] [L6] array[i] = i [L5] ++i VAL [array={1:0}, i=10] [L5] COND FALSE !(i < 10) [L9] return array; [L13] RET, EXPR getNumbers() [L13] int* numbers = getNumbers(); [L15] int numbers2[10]; [L17] int i = 0; VAL [array={1:0}, i=0, numbers={1:0}, numbers2={10337:0}] [L17] COND TRUE i < 10 VAL [array={1:0}, i=0, numbers={1:0}, numbers2={10337:0}] [L18] EXPR numbers[i] VAL [array={1:0}, i=0, numbers={1:0}, numbers2={10337:0}, numbers[i]=0] [L18] numbers2[i] = numbers[i] [L17] ++i VAL [array={1:0}, i=1, numbers={1:0}, numbers2={10337:0}] [L17] COND TRUE i < 10 VAL [array={1:0}, i=1, numbers={1:0}, numbers2={10337:0}] [L18] EXPR numbers[i] VAL [array={1:0}, i=1, numbers={1:0}, numbers2={10337:0}, numbers[i]=1] [L18] numbers2[i] = numbers[i] [L17] ++i VAL [array={1:0}, i=2, numbers={1:0}, numbers2={10337:0}] [L17] COND TRUE i < 10 VAL [array={1:0}, i=2, numbers={1:0}, numbers2={10337:0}] [L18] EXPR numbers[i] VAL [array={1:0}, i=2, numbers={1:0}, numbers2={10337:0}, numbers[i]=2] [L18] numbers2[i] = numbers[i] [L17] ++i VAL [array={1:0}, i=3, numbers={1:0}, numbers2={10337:0}] [L17] COND TRUE i < 10 VAL [array={1:0}, i=3, numbers={1:0}, numbers2={10337:0}] [L18] EXPR numbers[i] VAL [array={1:0}, i=3, numbers={1:0}, numbers2={10337:0}, numbers[i]=3] [L18] numbers2[i] = numbers[i] [L17] ++i VAL [array={1:0}, i=4, numbers={1:0}, numbers2={10337:0}] [L17] COND TRUE i < 10 VAL [array={1:0}, i=4, numbers={1:0}, numbers2={10337:0}] [L18] EXPR numbers[i] VAL [array={1:0}, i=4, numbers={1:0}, numbers2={10337:0}, numbers[i]=4] [L18] numbers2[i] = numbers[i] [L17] ++i VAL [array={1:0}, i=5, numbers={1:0}, numbers2={10337:0}] [L17] COND TRUE i < 10 VAL [array={1:0}, i=5, numbers={1:0}, numbers2={10337:0}] [L18] EXPR numbers[i] VAL [array={1:0}, i=5, numbers={1:0}, numbers2={10337:0}, numbers[i]=5] [L18] numbers2[i] = numbers[i] [L17] ++i VAL [array={1:0}, i=6, numbers={1:0}, numbers2={10337:0}] [L17] COND TRUE i < 10 VAL [array={1:0}, i=6, numbers={1:0}, numbers2={10337:0}] [L18] EXPR numbers[i] VAL [array={1:0}, i=6, numbers={1:0}, numbers2={10337:0}, numbers[i]=6] [L18] numbers2[i] = numbers[i] [L17] ++i VAL [array={1:0}, i=7, numbers={1:0}, numbers2={10337:0}] [L17] COND TRUE i < 10 VAL [array={1:0}, i=7, numbers={1:0}, numbers2={10337:0}] [L18] EXPR numbers[i] VAL [array={1:0}, i=7, numbers={1:0}, numbers2={10337:0}, numbers[i]=7] [L18] numbers2[i] = numbers[i] [L17] ++i VAL [array={1:0}, i=8, numbers={1:0}, numbers2={10337:0}] [L17] COND TRUE i < 10 VAL [array={1:0}, i=8, numbers={1:0}, numbers2={10337:0}] [L18] EXPR numbers[i] VAL [array={1:0}, i=8, numbers={1:0}, numbers2={10337:0}, numbers[i]=8] [L18] numbers2[i] = numbers[i] [L17] ++i VAL [array={1:0}, i=9, numbers={1:0}, numbers2={10337:0}] [L17] COND TRUE i < 10 VAL [array={1:0}, i=9, numbers={1:0}, numbers2={10337:0}] [L18] EXPR numbers[i] VAL [array={1:0}, i=9, numbers={1:0}, numbers2={10337:0}, numbers[i]=9] [L18] numbers2[i] = numbers[i] [L17] ++i VAL [array={1:0}, i=10, numbers={1:0}, numbers2={10337:0}] [L17] COND FALSE !(i < 10) [L21] return numbers2; [L21] return numbers2; [L25] RET, EXPR getNumbers2() [L25] int *numbers = getNumbers2(); [L26] numbers[0] = 100 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 130.0MB. Free memory is still 99.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 145.20ms. Allocated memory is still 130.0MB. Free memory was 93.8MB in the beginning and 84.1MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 22.78ms. Allocated memory is still 130.0MB. Free memory was 84.1MB in the beginning and 82.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 14.72ms. Allocated memory is still 130.0MB. Free memory was 82.4MB in the beginning and 81.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 241.19ms. Allocated memory is still 130.0MB. Free memory was 81.2MB in the beginning and 67.7MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 39982.75ms. Allocated memory was 130.0MB in the beginning and 293.6MB in the end (delta: 163.6MB). Free memory was 67.7MB in the beginning and 184.5MB in the end (delta: -116.8MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * Witness Printer took 47.97ms. Allocated memory is still 293.6MB. Free memory was 184.5MB in the beginning and 180.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-12-14 22:20:01,580 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04b32a2-b00a-4410-8645-c034935ed5e2/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-deref)