./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/list-ext3-properties/sll_nondet_insert-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) 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_1d9eac52-e4fb-4817-bee9-dca0fde0d872/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d9eac52-e4fb-4817-bee9-dca0fde0d872/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_1d9eac52-e4fb-4817-bee9-dca0fde0d872/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d9eac52-e4fb-4817-bee9-dca0fde0d872/bin/ukojak-rkRKPMF4O4/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-ext3-properties/sll_nondet_insert-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d9eac52-e4fb-4817-bee9-dca0fde0d872/bin/ukojak-rkRKPMF4O4/config/svcomp-MemCleanup-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d9eac52-e4fb-4817-bee9-dca0fde0d872/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-memcleanup) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 724878768076b8192fcddec982755d081255c76c80e1e283d808e6a7ebb222b9 --- 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 21:11:52,275 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 21:11:52,277 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 21:11:52,294 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 21:11:52,294 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 21:11:52,295 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 21:11:52,296 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 21:11:52,298 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 21:11:52,299 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 21:11:52,300 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 21:11:52,301 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 21:11:52,302 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 21:11:52,302 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 21:11:52,303 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 21:11:52,304 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 21:11:52,305 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 21:11:52,306 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 21:11:52,306 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 21:11:52,308 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 21:11:52,309 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 21:11:52,311 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 21:11:52,312 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 21:11:52,313 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 21:11:52,314 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 21:11:52,317 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 21:11:52,317 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 21:11:52,317 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 21:11:52,318 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 21:11:52,319 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 21:11:52,320 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 21:11:52,320 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 21:11:52,321 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 21:11:52,321 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 21:11:52,322 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 21:11:52,323 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 21:11:52,323 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 21:11:52,324 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 21:11:52,324 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 21:11:52,324 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 21:11:52,325 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 21:11:52,325 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 21:11:52,326 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d9eac52-e4fb-4817-bee9-dca0fde0d872/bin/ukojak-rkRKPMF4O4/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2022-12-14 21:11:52,356 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 21:11:52,357 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 21:11:52,358 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 21:11:52,358 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 21:11:52,358 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 21:11:52,359 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 21:11:52,359 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 21:11:52,359 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 21:11:52,359 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 21:11:52,360 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 21:11:52,360 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-14 21:11:52,360 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-14 21:11:52,360 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 21:11:52,360 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 21:11:52,361 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 21:11:52,361 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 21:11:52,361 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 21:11:52,361 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 21:11:52,361 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 21:11:52,362 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 21:11:52,362 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 21:11:52,362 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 21:11:52,362 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 21:11:52,362 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_1d9eac52-e4fb-4817-bee9-dca0fde0d872/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d9eac52-e4fb-4817-bee9-dca0fde0d872/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 724878768076b8192fcddec982755d081255c76c80e1e283d808e6a7ebb222b9 [2022-12-14 21:11:52,542 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 21:11:52,561 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 21:11:52,563 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 21:11:52,564 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 21:11:52,564 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 21:11:52,565 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d9eac52-e4fb-4817-bee9-dca0fde0d872/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/list-ext3-properties/sll_nondet_insert-1.i [2022-12-14 21:11:55,130 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 21:11:55,309 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 21:11:55,310 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d9eac52-e4fb-4817-bee9-dca0fde0d872/sv-benchmarks/c/list-ext3-properties/sll_nondet_insert-1.i [2022-12-14 21:11:55,316 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d9eac52-e4fb-4817-bee9-dca0fde0d872/bin/ukojak-rkRKPMF4O4/data/b62eb0ebe/765c9358db6548beb40f8a0baa81072d/FLAGea3aee510 [2022-12-14 21:11:55,326 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d9eac52-e4fb-4817-bee9-dca0fde0d872/bin/ukojak-rkRKPMF4O4/data/b62eb0ebe/765c9358db6548beb40f8a0baa81072d [2022-12-14 21:11:55,328 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 21:11:55,329 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 21:11:55,330 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 21:11:55,330 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 21:11:55,332 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 21:11:55,332 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:11:55" (1/1) ... [2022-12-14 21:11:55,333 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ce29af8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:11:55, skipping insertion in model container [2022-12-14 21:11:55,333 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:11:55" (1/1) ... [2022-12-14 21:11:55,338 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 21:11:55,361 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 21:11:55,538 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d9eac52-e4fb-4817-bee9-dca0fde0d872/sv-benchmarks/c/list-ext3-properties/sll_nondet_insert-1.i[24521,24534] [2022-12-14 21:11:55,540 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 21:11:55,547 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 21:11:55,578 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d9eac52-e4fb-4817-bee9-dca0fde0d872/sv-benchmarks/c/list-ext3-properties/sll_nondet_insert-1.i[24521,24534] [2022-12-14 21:11:55,579 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 21:11:55,596 INFO L208 MainTranslator]: Completed translation [2022-12-14 21:11:55,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:11:55 WrapperNode [2022-12-14 21:11:55,597 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 21:11:55,598 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 21:11:55,598 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 21:11:55,598 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 21:11:55,603 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:11:55" (1/1) ... [2022-12-14 21:11:55,612 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:11:55" (1/1) ... [2022-12-14 21:11:55,630 INFO L138 Inliner]: procedures = 129, calls = 33, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 206 [2022-12-14 21:11:55,630 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 21:11:55,630 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 21:11:55,630 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 21:11:55,631 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 21:11:55,637 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:11:55" (1/1) ... [2022-12-14 21:11:55,637 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:11:55" (1/1) ... [2022-12-14 21:11:55,640 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:11:55" (1/1) ... [2022-12-14 21:11:55,640 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:11:55" (1/1) ... [2022-12-14 21:11:55,645 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:11:55" (1/1) ... [2022-12-14 21:11:55,648 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:11:55" (1/1) ... [2022-12-14 21:11:55,649 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:11:55" (1/1) ... [2022-12-14 21:11:55,650 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:11:55" (1/1) ... [2022-12-14 21:11:55,652 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 21:11:55,653 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 21:11:55,653 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 21:11:55,653 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 21:11:55,654 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:11:55" (1/1) ... [2022-12-14 21:11:55,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 21:11:55,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d9eac52-e4fb-4817-bee9-dca0fde0d872/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 21:11:55,678 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d9eac52-e4fb-4817-bee9-dca0fde0d872/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 21:11:55,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d9eac52-e4fb-4817-bee9-dca0fde0d872/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 21:11:55,710 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 21:11:55,710 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 21:11:55,710 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 21:11:55,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 21:11:55,710 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 21:11:55,710 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 21:11:55,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 21:11:55,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 21:11:55,711 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 21:11:55,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 21:11:55,803 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 21:11:55,805 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 21:11:56,061 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 21:11:56,141 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 21:11:56,141 INFO L300 CfgBuilder]: Removed 8 assume(true) statements. [2022-12-14 21:11:56,144 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:11:56 BoogieIcfgContainer [2022-12-14 21:11:56,144 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 21:11:56,145 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 21:11:56,145 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 21:11:56,156 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 21:11:56,156 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:11:56" (1/1) ... [2022-12-14 21:11:56,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 21:11:56,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:11:56,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 67 states and 84 transitions. [2022-12-14 21:11:56,203 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 84 transitions. [2022-12-14 21:11:56,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 21:11:56,205 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:11:56,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:11:56,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:11:56,300 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 21:11:56,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:11:56,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 67 states and 82 transitions. [2022-12-14 21:11:56,320 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 82 transitions. [2022-12-14 21:11:56,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 21:11:56,321 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:11:56,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:11:56,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:11:56,408 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 21:11:56,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:11:56,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 66 states and 81 transitions. [2022-12-14 21:11:56,431 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 81 transitions. [2022-12-14 21:11:56,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 21:11:56,431 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:11:56,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:11:56,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:11:56,526 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 21:11:56,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:11:56,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 65 states and 80 transitions. [2022-12-14 21:11:56,595 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 80 transitions. [2022-12-14 21:11:56,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 21:11:56,596 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:11:56,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:11:56,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:11:56,724 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 21:11:56,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:11:56,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 70 states and 87 transitions. [2022-12-14 21:11:56,797 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 87 transitions. [2022-12-14 21:11:56,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 21:11:56,798 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:11:56,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:11:56,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:11:56,869 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 21:11:57,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:11:57,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 79 states and 101 transitions. [2022-12-14 21:11:57,030 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 101 transitions. [2022-12-14 21:11:57,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 21:11:57,031 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:11:57,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:11:57,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:11:57,189 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 21:11:57,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:11:57,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 79 states and 99 transitions. [2022-12-14 21:11:57,293 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 99 transitions. [2022-12-14 21:11:57,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 21:11:57,293 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:11:57,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:11:57,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:11:57,392 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 21:11:57,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:11:57,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 83 states and 106 transitions. [2022-12-14 21:11:57,770 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 106 transitions. [2022-12-14 21:11:57,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 21:11:57,771 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:11:57,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:11:57,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:11:57,863 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 21:11:58,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:11:58,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 85 states and 107 transitions. [2022-12-14 21:11:58,068 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 107 transitions. [2022-12-14 21:11:58,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 21:11:58,069 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:11:58,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:11:58,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:11:58,232 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 21:11:58,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:11:58,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 77 states and 95 transitions. [2022-12-14 21:11:58,775 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 95 transitions. [2022-12-14 21:11:58,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 21:11:58,775 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:11:58,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:11:58,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:11:59,197 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:12:00,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:12:00,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 80 states and 100 transitions. [2022-12-14 21:12:00,956 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 100 transitions. [2022-12-14 21:12:00,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 21:12:00,956 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:12:00,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:12:00,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:12:01,165 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 21:12:02,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:12:02,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 85 states and 110 transitions. [2022-12-14 21:12:02,117 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 110 transitions. [2022-12-14 21:12:02,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 21:12:02,118 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:12:02,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:12:02,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:12:02,451 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 21:12:03,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:12:03,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 90 states and 122 transitions. [2022-12-14 21:12:03,927 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 122 transitions. [2022-12-14 21:12:03,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 21:12:03,927 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:12:03,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:12:03,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:12:04,220 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 21:12:06,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:12:06,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 94 states and 128 transitions. [2022-12-14 21:12:06,170 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 128 transitions. [2022-12-14 21:12:06,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 21:12:06,171 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:12:06,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:12:06,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:12:06,193 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-14 21:12:06,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:12:06,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 94 states and 127 transitions. [2022-12-14 21:12:06,207 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 127 transitions. [2022-12-14 21:12:06,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-14 21:12:06,208 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:12:06,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:12:06,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:12:06,804 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:12:10,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:12:10,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 99 states and 137 transitions. [2022-12-14 21:12:10,488 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 137 transitions. [2022-12-14 21:12:10,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-14 21:12:10,489 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:12:10,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:12:10,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:12:10,945 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:12:14,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:12:14,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 104 states and 146 transitions. [2022-12-14 21:12:14,357 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 146 transitions. [2022-12-14 21:12:14,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-14 21:12:14,357 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:12:14,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:12:14,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:12:14,729 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-14 21:12:16,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:12:16,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 109 states and 154 transitions. [2022-12-14 21:12:16,816 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 154 transitions. [2022-12-14 21:12:16,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-14 21:12:16,816 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:12:16,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:12:16,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:12:17,342 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:12:25,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:12:25,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 116 states and 166 transitions. [2022-12-14 21:12:25,542 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 166 transitions. [2022-12-14 21:12:25,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-14 21:12:25,542 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:12:25,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:12:25,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:12:27,372 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:12:43,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:12:43,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 138 states and 204 transitions. [2022-12-14 21:12:43,554 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 204 transitions. [2022-12-14 21:12:43,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-14 21:12:43,555 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:12:43,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:12:43,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:12:43,762 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:12:46,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:12:46,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 141 states and 212 transitions. [2022-12-14 21:12:46,005 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 212 transitions. [2022-12-14 21:12:46,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-14 21:12:46,005 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:12:46,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:12:46,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:12:47,303 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 21:12:48,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:12:48,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 146 states and 220 transitions. [2022-12-14 21:12:48,429 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 220 transitions. [2022-12-14 21:12:48,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-14 21:12:48,429 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:12:48,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:12:48,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:12:50,134 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 21:13:06,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:13:06,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 158 states and 251 transitions. [2022-12-14 21:13:06,338 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 251 transitions. [2022-12-14 21:13:06,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 21:13:06,339 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:13:06,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:13:06,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:13:08,601 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-14 21:13:33,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:13:33,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 181 states and 296 transitions. [2022-12-14 21:13:33,667 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 296 transitions. [2022-12-14 21:13:33,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 21:13:33,668 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:13:33,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:13:33,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:13:33,684 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 21:13:38,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:13:38,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 188 states and 316 transitions. [2022-12-14 21:13:38,458 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 316 transitions. [2022-12-14 21:13:38,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 21:13:38,458 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:13:38,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:13:38,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:13:38,544 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-14 21:13:41,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:13:41,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 191 states and 326 transitions. [2022-12-14 21:13:41,977 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 326 transitions. [2022-12-14 21:13:41,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 21:13:41,977 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:13:41,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:13:41,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:13:42,244 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 21:13:49,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:13:49,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 198 states and 345 transitions. [2022-12-14 21:13:49,556 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 345 transitions. [2022-12-14 21:13:49,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 21:13:49,557 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:13:49,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:13:49,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:13:49,655 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-14 21:13:53,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:13:53,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 201 states and 353 transitions. [2022-12-14 21:13:53,260 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 353 transitions. [2022-12-14 21:13:53,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 21:13:53,260 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:13:53,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:13:53,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:13:53,277 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 21:13:55,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:13:55,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 203 states and 356 transitions. [2022-12-14 21:13:55,520 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 356 transitions. [2022-12-14 21:13:55,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 21:13:55,520 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:13:55,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:13:55,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:13:55,536 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 21:13:59,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:13:59,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 206 states and 360 transitions. [2022-12-14 21:13:59,051 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 360 transitions. [2022-12-14 21:13:59,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 21:13:59,052 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:13:59,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:13:59,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:13:59,106 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 21:14:02,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:14:02,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 209 states and 365 transitions. [2022-12-14 21:14:02,907 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 365 transitions. [2022-12-14 21:14:02,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 21:14:02,907 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:14:02,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:14:02,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:14:02,930 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 21:14:03,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:14:03,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 210 states and 366 transitions. [2022-12-14 21:14:03,754 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 366 transitions. [2022-12-14 21:14:03,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 21:14:03,754 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:14:03,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:14:03,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:14:03,808 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 21:14:06,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:14:06,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 212 states and 369 transitions. [2022-12-14 21:14:06,140 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 369 transitions. [2022-12-14 21:14:06,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 21:14:06,140 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:14:06,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:14:06,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:14:06,212 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 21:14:07,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:14:07,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 213 states and 370 transitions. [2022-12-14 21:14:07,284 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 370 transitions. [2022-12-14 21:14:07,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 21:14:07,285 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:14:07,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:14:07,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:14:07,353 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 21:14:09,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:14:09,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 217 states and 376 transitions. [2022-12-14 21:14:09,999 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 376 transitions. [2022-12-14 21:14:09,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-14 21:14:09,999 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:14:09,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:14:10,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:14:10,013 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-14 21:14:10,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:14:10,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 217 states and 375 transitions. [2022-12-14 21:14:10,024 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 375 transitions. [2022-12-14 21:14:10,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-14 21:14:10,025 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:14:10,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:14:10,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:14:10,224 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 21:14:13,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:14:13,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 221 states and 381 transitions. [2022-12-14 21:14:13,564 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 381 transitions. [2022-12-14 21:14:13,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 21:14:13,564 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:14:13,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:14:13,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:14:13,884 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-14 21:14:22,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:14:22,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 230 states and 403 transitions. [2022-12-14 21:14:22,706 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 403 transitions. [2022-12-14 21:14:22,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 21:14:22,706 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:14:22,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:14:22,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:14:24,496 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 21:14:36,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:14:36,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 238 states and 425 transitions. [2022-12-14 21:14:36,959 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 425 transitions. [2022-12-14 21:14:36,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 21:14:36,959 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:14:36,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:14:36,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:14:36,994 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-14 21:14:41,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:14:41,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 241 states and 430 transitions. [2022-12-14 21:14:41,147 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 430 transitions. [2022-12-14 21:14:41,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 21:14:41,147 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:14:41,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:14:41,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:14:42,596 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 21:14:59,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:14:59,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 250 states and 454 transitions. [2022-12-14 21:14:59,449 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 454 transitions. [2022-12-14 21:14:59,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 21:14:59,450 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:14:59,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:14:59,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:14:59,501 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 21:15:02,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:15:02,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 253 states and 460 transitions. [2022-12-14 21:15:02,980 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 460 transitions. [2022-12-14 21:15:02,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 21:15:02,981 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:15:02,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:15:02,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:15:03,581 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 21:15:14,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:15:14,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 260 states and 477 transitions. [2022-12-14 21:15:14,814 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 477 transitions. [2022-12-14 21:15:14,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 21:15:14,815 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:15:14,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:15:14,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:15:14,862 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 21:15:19,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:15:19,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 263 states and 481 transitions. [2022-12-14 21:15:19,578 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 481 transitions. [2022-12-14 21:15:19,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 21:15:19,579 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:15:19,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:15:19,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:15:19,679 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 21:15:24,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:15:24,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 266 states and 489 transitions. [2022-12-14 21:15:24,940 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 489 transitions. [2022-12-14 21:15:24,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 21:15:24,940 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:15:24,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:15:24,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:15:24,995 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-14 21:15:26,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:15:26,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 267 states and 491 transitions. [2022-12-14 21:15:26,685 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 491 transitions. [2022-12-14 21:15:26,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 21:15:26,685 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:15:26,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:15:26,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:15:26,721 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-14 21:15:30,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:15:30,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 269 states and 493 transitions. [2022-12-14 21:15:30,223 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 493 transitions. [2022-12-14 21:15:30,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 21:15:30,224 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:15:30,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:15:30,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:15:30,246 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-12-14 21:15:35,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:15:35,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 273 states and 500 transitions. [2022-12-14 21:15:35,958 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 500 transitions. [2022-12-14 21:15:35,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 21:15:35,959 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:15:35,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:15:35,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:15:36,591 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-14 21:15:39,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:15:39,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 276 states and 506 transitions. [2022-12-14 21:15:39,236 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 506 transitions. [2022-12-14 21:15:39,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 21:15:39,237 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:15:39,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:15:39,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:15:39,309 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-12-14 21:15:41,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:15:41,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 277 states and 509 transitions. [2022-12-14 21:15:41,188 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 509 transitions. [2022-12-14 21:15:41,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 21:15:41,188 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:15:41,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:15:41,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:15:41,778 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-14 21:15:45,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:15:45,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 280 states and 515 transitions. [2022-12-14 21:15:45,766 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 515 transitions. [2022-12-14 21:15:45,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 21:15:45,766 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:15:45,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:15:45,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 21:15:45,779 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 21:15:45,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 21:15:45,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 21:15:45,848 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 21:15:45,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 21:15:45,889 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 51 iterations. [2022-12-14 21:15:45,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 09:15:45 ImpRootNode [2022-12-14 21:15:45,931 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 21:15:45,931 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 21:15:45,931 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 21:15:45,931 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 21:15:45,932 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:11:56" (3/4) ... [2022-12-14 21:15:45,933 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-14 21:15:45,986 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d9eac52-e4fb-4817-bee9-dca0fde0d872/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 21:15:45,986 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 21:15:45,987 INFO L158 Benchmark]: Toolchain (without parser) took 230657.57ms. Allocated memory was 123.7MB in the beginning and 612.4MB in the end (delta: 488.6MB). Free memory was 91.3MB in the beginning and 358.0MB in the end (delta: -266.7MB). Peak memory consumption was 223.8MB. Max. memory is 16.1GB. [2022-12-14 21:15:45,987 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 123.7MB. Free memory is still 93.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 21:15:45,988 INFO L158 Benchmark]: CACSL2BoogieTranslator took 267.46ms. Allocated memory is still 123.7MB. Free memory was 90.9MB in the beginning and 73.5MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-14 21:15:45,988 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.38ms. Allocated memory is still 123.7MB. Free memory was 73.5MB in the beginning and 71.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 21:15:45,989 INFO L158 Benchmark]: Boogie Preprocessor took 22.24ms. Allocated memory is still 123.7MB. Free memory was 71.1MB in the beginning and 69.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 21:15:45,989 INFO L158 Benchmark]: RCFGBuilder took 491.27ms. Allocated memory was 123.7MB in the beginning and 167.8MB in the end (delta: 44.0MB). Free memory was 69.0MB in the beginning and 137.1MB in the end (delta: -68.1MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2022-12-14 21:15:45,990 INFO L158 Benchmark]: CodeCheck took 229785.55ms. Allocated memory was 167.8MB in the beginning and 612.4MB in the end (delta: 444.6MB). Free memory was 137.1MB in the beginning and 362.2MB in the end (delta: -225.1MB). Peak memory consumption was 219.5MB. Max. memory is 16.1GB. [2022-12-14 21:15:45,991 INFO L158 Benchmark]: Witness Printer took 55.00ms. Allocated memory is still 612.4MB. Free memory was 362.2MB in the beginning and 358.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 21:15:45,994 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, 67 locations, 25 error locations. Started 1 CEGAR loops. OverallTime: 229.7s, OverallIterations: 51, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 14780 SdHoareTripleChecker+Valid, 65.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11255 mSDsluCounter, 7917 SdHoareTripleChecker+Invalid, 58.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5767 mSDsCounter, 12268 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 52186 IncrementalHoareTripleChecker+Invalid, 64454 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12268 mSolverCounterUnsat, 2150 mSDtfsCounter, 52186 mSolverCounterSat, 0.7s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11358 GetRequests, 10186 SyntacticMatches, 168 SemanticMatches, 1004 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 428656 ImplicationChecksByTransitivity, 222.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 17.7s InterpolantComputationTime, 1287 NumberOfCodeBlocks, 1287 NumberOfCodeBlocksAsserted, 51 NumberOfCheckSat, 1207 ConstructedInterpolants, 0 QuantifiedInterpolants, 8145 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 50 InterpolantComputations, 30 PerfectInterpolantSequences, 372/478 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: 641]: not all allocated memory was freed not all allocated memory was freed We found a FailurePath: [L627] CALL, EXPR _get_nondet_int(2, 5) [L620] int len = from; VAL [\old(from)=2, \old(until)=5, from=2, len=2, until=5] [L621] len < until && __VERIFIER_nondet_int() [L621] len < until && __VERIFIER_nondet_int() VAL [\old(from)=2, \old(until)=5, __VERIFIER_nondet_int()=0, from=2, len=2, len < until && __VERIFIER_nondet_int()=0, until=5] [L621] COND FALSE !(len < until && __VERIFIER_nondet_int()) [L624] return len; [L627] RET, EXPR _get_nondet_int(2, 5) [L627] const int len = _get_nondet_int(2, 5); [L628] SLL s = sll_create(len); [L628] CALL, EXPR sll_create(len) [L575] SLL head = ((void *)0); VAL [\old(len)=2, head={0:0}, len=2] [L576] EXPR len-- VAL [\old(len)=2, head={0:0}, len=1, len--=2] [L576] COND TRUE len-- > 0 [L577] SLL new_head = (SLL) malloc(sizeof(struct node)); [L578] COND FALSE !(((void *)0) == new_head) VAL [\old(len)=2, head={0:0}, len=1, new_head={17727:0}] [L581] new_head->next = head [L582] head = new_head VAL [\old(len)=2, head={17727:0}, len=1, new_head={17727:0}] [L576] EXPR len-- VAL [\old(len)=2, head={17727:0}, len=0, len--=1, new_head={17727:0}] [L576] COND TRUE len-- > 0 [L577] SLL new_head = (SLL) malloc(sizeof(struct node)); [L578] COND FALSE !(((void *)0) == new_head) VAL [\old(len)=2, head={17727:0}, len=0, new_head={-1:0}] [L581] new_head->next = head [L582] head = new_head VAL [\old(len)=2, head={-1:0}, len=0, new_head={-1:0}] [L576] EXPR len-- VAL [\old(len)=2, head={-1:0}, len=-1, len--=0, new_head={-1:0}] [L576] COND FALSE !(len-- > 0) [L584] return head; [L628] RET, EXPR sll_create(len) [L628] SLL s = sll_create(len); [L629] CALL, EXPR _get_nondet_int(0, len - 1) [L620] int len = from; VAL [\old(from)=0, \old(until)=1, from=0, len=0, until=1] [L621] len < until && __VERIFIER_nondet_int() [L621] len < until && __VERIFIER_nondet_int() VAL [\old(from)=0, \old(until)=1, __VERIFIER_nondet_int()=-1, from=0, len=0, len < until && __VERIFIER_nondet_int()=1, until=1] [L621] COND TRUE len < until && __VERIFIER_nondet_int() [L622] len++ VAL [\old(from)=0, \old(until)=1, from=0, len=1, until=1] [L621] len < until && __VERIFIER_nondet_int() VAL [\old(from)=0, \old(until)=1, __VERIFIER_nondet_int()=0, from=0, len=1, len < until && __VERIFIER_nondet_int()=0, until=1] [L621] COND FALSE !(len < until && __VERIFIER_nondet_int()) [L624] return len; [L629] RET, EXPR _get_nondet_int(0, len - 1) [L629] const int k = _get_nondet_int(0, len - 1); [L630] int i = 0; VAL [i=0, k=1, len=2, s={17729:0}] [L631] i < k && __VERIFIER_nondet_int() [L631] i < k && __VERIFIER_nondet_int() VAL [__VERIFIER_nondet_int()=0, i=0, i < k && __VERIFIER_nondet_int()=0, k=1, len=2, s={17729:0}] [L631] COND FALSE !(i < k && __VERIFIER_nondet_int()) [L636] EXPR \read(s) [L636] CALL, EXPR sll_length(s) [L587] int len = 0; VAL [head={-1:0}, head={-1:0}, len=0] [L588] COND TRUE \read(head) [L589] len++ VAL [head={-1:0}, head={-1:0}, len=1] [L590] EXPR head->next [L590] head = head->next [L588] COND TRUE \read(head) [L589] len++ VAL [head={17727:0}, head={-1:0}, len=2] [L590] EXPR head->next [L590] head = head->next [L588] COND FALSE !(\read(head)) [L592] return len; [L636] RET, EXPR sll_length(s) [L636] COND TRUE k + len != sll_length(s) [L641] reach_error() VAL [i=0, k=1, len=2, s={17729:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 123.7MB. Free memory is still 93.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 267.46ms. Allocated memory is still 123.7MB. Free memory was 90.9MB in the beginning and 73.5MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.38ms. Allocated memory is still 123.7MB. Free memory was 73.5MB in the beginning and 71.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.24ms. Allocated memory is still 123.7MB. Free memory was 71.1MB in the beginning and 69.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 491.27ms. Allocated memory was 123.7MB in the beginning and 167.8MB in the end (delta: 44.0MB). Free memory was 69.0MB in the beginning and 137.1MB in the end (delta: -68.1MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * CodeCheck took 229785.55ms. Allocated memory was 167.8MB in the beginning and 612.4MB in the end (delta: 444.6MB). Free memory was 137.1MB in the beginning and 362.2MB in the end (delta: -225.1MB). Peak memory consumption was 219.5MB. Max. memory is 16.1GB. * Witness Printer took 55.00ms. Allocated memory is still 612.4MB. Free memory was 362.2MB in the beginning and 358.0MB 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 21:15:46,017 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d9eac52-e4fb-4817-bee9-dca0fde0d872/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-memcleanup)