./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/forester-heap/sll-simple-white-blue-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b530ec2-8145-42a3-8097-0642859eb25b/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b530ec2-8145-42a3-8097-0642859eb25b/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b530ec2-8145-42a3-8097-0642859eb25b/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b530ec2-8145-42a3-8097-0642859eb25b/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/forester-heap/sll-simple-white-blue-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b530ec2-8145-42a3-8097-0642859eb25b/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b530ec2-8145-42a3-8097-0642859eb25b/bin/ukojak-92XMlrwhuB --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b63900034700ff8018e29578512f73f88317ae4b603a38b2f2f558c77b57812d --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:50:49,457 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:50:49,460 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:50:49,530 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:50:49,530 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:50:49,536 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:50:49,538 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:50:49,542 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:50:49,548 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:50:49,556 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:50:49,558 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:50:49,559 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:50:49,560 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:50:49,561 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:50:49,563 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:50:49,564 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:50:49,565 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:50:49,566 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:50:49,569 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:50:49,577 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:50:49,579 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:50:49,581 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:50:49,585 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:50:49,586 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:50:49,595 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:50:49,596 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:50:49,596 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:50:49,598 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:50:49,599 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:50:49,600 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:50:49,601 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:50:49,602 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:50:49,604 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:50:49,606 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:50:49,607 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:50:49,607 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:50:49,608 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:50:49,608 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:50:49,609 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:50:49,610 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:50:49,610 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:50:49,611 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b530ec2-8145-42a3-8097-0642859eb25b/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:50:49,653 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:50:49,653 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:50:49,654 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:50:49,654 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:50:49,655 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:50:49,655 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:50:49,656 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:50:49,656 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:50:49,656 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:50:49,656 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:50:49,657 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:50:49,658 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:50:49,658 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:50:49,658 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:50:49,658 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:50:49,658 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:50:49,659 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:50:49,659 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:50:49,659 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:50:49,659 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:50:49,659 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:50:49,660 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:50:49,660 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:50:49,660 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:50:49,660 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:50:49,661 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:50:49,662 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:50:49,662 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:50:49,662 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_3b530ec2-8145-42a3-8097-0642859eb25b/bin/ukojak-92XMlrwhuB/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b530ec2-8145-42a3-8097-0642859eb25b/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b63900034700ff8018e29578512f73f88317ae4b603a38b2f2f558c77b57812d [2022-10-17 16:50:49,938 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:50:49,969 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:50:49,972 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:50:49,973 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:50:49,975 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:50:49,977 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b530ec2-8145-42a3-8097-0642859eb25b/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/forester-heap/sll-simple-white-blue-1.i [2022-10-17 16:50:50,046 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b530ec2-8145-42a3-8097-0642859eb25b/bin/ukojak-92XMlrwhuB/data/3d08c36c1/ba346cd21ae042048f9d9583cc41ce0d/FLAG2112f83b0 [2022-10-17 16:50:50,509 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:50:50,510 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b530ec2-8145-42a3-8097-0642859eb25b/sv-benchmarks/c/forester-heap/sll-simple-white-blue-1.i [2022-10-17 16:50:50,553 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b530ec2-8145-42a3-8097-0642859eb25b/bin/ukojak-92XMlrwhuB/data/3d08c36c1/ba346cd21ae042048f9d9583cc41ce0d/FLAG2112f83b0 [2022-10-17 16:50:50,849 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b530ec2-8145-42a3-8097-0642859eb25b/bin/ukojak-92XMlrwhuB/data/3d08c36c1/ba346cd21ae042048f9d9583cc41ce0d [2022-10-17 16:50:50,852 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:50:50,855 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:50:50,856 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:50:50,857 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:50:50,860 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:50:50,861 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:50:50" (1/1) ... [2022-10-17 16:50:50,863 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f5d1730 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:50, skipping insertion in model container [2022-10-17 16:50:50,864 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:50:50" (1/1) ... [2022-10-17 16:50:50,872 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:50:50,940 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:50:51,195 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b530ec2-8145-42a3-8097-0642859eb25b/sv-benchmarks/c/forester-heap/sll-simple-white-blue-1.i[22605,22618] [2022-10-17 16:50:51,201 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:50:51,209 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:50:51,249 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b530ec2-8145-42a3-8097-0642859eb25b/sv-benchmarks/c/forester-heap/sll-simple-white-blue-1.i[22605,22618] [2022-10-17 16:50:51,252 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:50:51,280 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:50:51,281 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:51 WrapperNode [2022-10-17 16:50:51,281 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:50:51,283 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:50:51,283 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:50:51,283 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:50:51,295 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:51" (1/1) ... [2022-10-17 16:50:51,312 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:51" (1/1) ... [2022-10-17 16:50:51,339 INFO L138 Inliner]: procedures = 119, calls = 31, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 108 [2022-10-17 16:50:51,340 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:50:51,341 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:50:51,341 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:50:51,341 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:50:51,350 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:51" (1/1) ... [2022-10-17 16:50:51,351 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:51" (1/1) ... [2022-10-17 16:50:51,355 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:51" (1/1) ... [2022-10-17 16:50:51,355 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:51" (1/1) ... [2022-10-17 16:50:51,363 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:51" (1/1) ... [2022-10-17 16:50:51,368 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:51" (1/1) ... [2022-10-17 16:50:51,371 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:51" (1/1) ... [2022-10-17 16:50:51,372 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:51" (1/1) ... [2022-10-17 16:50:51,376 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:50:51,377 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:50:51,377 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:50:51,377 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:50:51,378 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:51" (1/1) ... [2022-10-17 16:50:51,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:50:51,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b530ec2-8145-42a3-8097-0642859eb25b/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:50:51,417 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b530ec2-8145-42a3-8097-0642859eb25b/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:50:51,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b530ec2-8145-42a3-8097-0642859eb25b/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:50:51,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:50:51,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:50:51,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:50:51,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:50:51,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 16:50:51,461 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 16:50:51,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:50:51,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:50:51,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:50:51,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:50:51,621 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:50:51,623 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:50:51,932 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:50:51,995 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:50:51,996 INFO L300 CfgBuilder]: Removed 8 assume(true) statements. [2022-10-17 16:50:51,998 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:50:51 BoogieIcfgContainer [2022-10-17 16:50:52,001 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:50:52,004 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:50:52,005 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:50:52,017 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:50:52,017 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:50:51" (1/1) ... [2022-10-17 16:50:52,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:50:52,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:52,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 21 states and 33 transitions. [2022-10-17 16:50:52,091 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 33 transitions. [2022-10-17 16:50:52,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:50:52,094 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:52,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:52,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:52,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:52,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:52,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2022-10-17 16:50:52,317 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2022-10-17 16:50:52,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:50:52,318 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:52,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:52,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:53,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:53,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:53,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 48 transitions. [2022-10-17 16:50:53,375 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 48 transitions. [2022-10-17 16:50:53,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:50:53,376 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:53,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:53,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:53,869 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:55,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:55,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 41 states and 77 transitions. [2022-10-17 16:50:55,163 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 77 transitions. [2022-10-17 16:50:55,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:50:55,166 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:55,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:55,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:55,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:55,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:55,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 41 states and 76 transitions. [2022-10-17 16:50:55,208 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 76 transitions. [2022-10-17 16:50:55,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:50:55,210 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:55,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:55,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:55,927 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:56,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:56,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 45 states and 83 transitions. [2022-10-17 16:50:56,782 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 83 transitions. [2022-10-17 16:50:56,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:50:56,783 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:56,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:56,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:57,169 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:57,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:57,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 49 states and 91 transitions. [2022-10-17 16:50:57,625 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 91 transitions. [2022-10-17 16:50:57,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:50:57,626 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:57,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:57,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:57,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:58,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:58,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 53 states and 102 transitions. [2022-10-17 16:50:58,434 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 102 transitions. [2022-10-17 16:50:58,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:50:58,437 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:58,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:58,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:58,814 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:51:00,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:00,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 60 states and 116 transitions. [2022-10-17 16:51:00,424 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 116 transitions. [2022-10-17 16:51:00,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:51:00,425 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:00,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:00,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:00,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:00,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:00,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 60 states and 115 transitions. [2022-10-17 16:51:00,982 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 115 transitions. [2022-10-17 16:51:00,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:51:00,991 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:00,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:01,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:02,123 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:04,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:04,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 70 states and 151 transitions. [2022-10-17 16:51:04,849 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 151 transitions. [2022-10-17 16:51:04,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:51:04,851 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:04,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:04,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:05,715 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:07,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:07,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 78 states and 183 transitions. [2022-10-17 16:51:07,674 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 183 transitions. [2022-10-17 16:51:07,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:51:07,675 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:07,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:07,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:07,893 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:09,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:09,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 81 states and 187 transitions. [2022-10-17 16:51:09,159 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 187 transitions. [2022-10-17 16:51:09,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:51:09,160 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:09,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:09,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:09,276 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:10,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:10,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 84 states and 191 transitions. [2022-10-17 16:51:10,846 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 191 transitions. [2022-10-17 16:51:10,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:51:10,847 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:10,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:10,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:11,862 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:14,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:14,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 92 states and 214 transitions. [2022-10-17 16:51:14,511 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 214 transitions. [2022-10-17 16:51:14,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:51:14,512 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:14,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:14,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:14,947 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:51:15,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:15,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 94 states and 217 transitions. [2022-10-17 16:51:15,940 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 217 transitions. [2022-10-17 16:51:15,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:51:15,941 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:15,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:15,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:16,170 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:51:16,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:16,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 95 states and 218 transitions. [2022-10-17 16:51:16,812 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 218 transitions. [2022-10-17 16:51:16,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:51:16,813 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:16,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:16,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:17,076 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:51:19,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:19,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 99 states and 226 transitions. [2022-10-17 16:51:19,183 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 226 transitions. [2022-10-17 16:51:19,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:51:19,185 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:19,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:19,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:20,550 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.