./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test18.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 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_4da09823-2bac-4e98-bc85-12c5ba623d1d/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da09823-2bac-4e98-bc85-12c5ba623d1d/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da09823-2bac-4e98-bc85-12c5ba623d1d/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da09823-2bac-4e98-bc85-12c5ba623d1d/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test18.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da09823-2bac-4e98-bc85-12c5ba623d1d/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da09823-2bac-4e98-bc85-12c5ba623d1d/bin/ukojak-jW3SillKbg --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 98678a21a2b37b871d00192aacebe14c4ee9cc87b75400dd7a4adc0ccfa93151 --- 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-b5237d8 [2022-11-21 23:11:38,510 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:11:38,512 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:11:38,533 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:11:38,539 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:11:38,544 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:11:38,547 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:11:38,551 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:11:38,554 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:11:38,562 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:11:38,563 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:11:38,565 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:11:38,566 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:11:38,569 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:11:38,574 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:11:38,576 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:11:38,578 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:11:38,580 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:11:38,581 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:11:38,583 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:11:38,589 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:11:38,591 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:11:38,592 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:11:38,593 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:11:38,597 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:11:38,597 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:11:38,597 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:11:38,598 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:11:38,599 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:11:38,600 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:11:38,600 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:11:38,601 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:11:38,602 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:11:38,603 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:11:38,604 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:11:38,605 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:11:38,605 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:11:38,606 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:11:38,606 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:11:38,607 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:11:38,608 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:11:38,609 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da09823-2bac-4e98-bc85-12c5ba623d1d/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-21 23:11:38,645 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:11:38,645 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:11:38,647 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:11:38,647 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:11:38,648 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:11:38,648 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:11:38,649 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:11:38,649 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 23:11:38,649 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 23:11:38,649 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 23:11:38,651 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 23:11:38,651 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:11:38,651 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:11:38,652 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:11:38,652 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:11:38,652 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 23:11:38,652 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 23:11:38,653 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:11:38,653 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:11:38,653 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:11:38,653 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:11:38,654 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:11:38,654 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:11:38,654 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:11:38,654 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:11:38,655 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:11:38,655 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:11:38,655 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 23:11:38,657 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 23:11:38,657 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:11:38,657 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_4da09823-2bac-4e98-bc85-12c5ba623d1d/bin/ukojak-jW3SillKbg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da09823-2bac-4e98-bc85-12c5ba623d1d/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 98678a21a2b37b871d00192aacebe14c4ee9cc87b75400dd7a4adc0ccfa93151 [2022-11-21 23:11:38,973 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:11:39,013 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:11:39,016 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:11:39,017 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:11:39,018 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:11:39,020 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da09823-2bac-4e98-bc85-12c5ba623d1d/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/ldv-memsafety/memleaks_test18.i [2022-11-21 23:11:42,198 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:11:42,459 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:11:42,460 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da09823-2bac-4e98-bc85-12c5ba623d1d/sv-benchmarks/c/ldv-memsafety/memleaks_test18.i [2022-11-21 23:11:42,476 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da09823-2bac-4e98-bc85-12c5ba623d1d/bin/ukojak-jW3SillKbg/data/beb310e5a/00d98bf6db294c28b239b95f4fe839b1/FLAGf7dde73ef [2022-11-21 23:11:42,491 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da09823-2bac-4e98-bc85-12c5ba623d1d/bin/ukojak-jW3SillKbg/data/beb310e5a/00d98bf6db294c28b239b95f4fe839b1 [2022-11-21 23:11:42,494 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:11:42,496 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:11:42,497 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:11:42,498 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:11:42,501 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:11:42,502 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:11:42" (1/1) ... [2022-11-21 23:11:42,504 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68952100 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:11:42, skipping insertion in model container [2022-11-21 23:11:42,504 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:11:42" (1/1) ... [2022-11-21 23:11:42,512 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:11:42,568 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:11:43,129 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:11:43,156 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 23:11:43,238 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:11:43,289 INFO L208 MainTranslator]: Completed translation [2022-11-21 23:11:43,289 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:11:43 WrapperNode [2022-11-21 23:11:43,290 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 23:11:43,291 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 23:11:43,291 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 23:11:43,292 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 23:11:43,302 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:11:43" (1/1) ... [2022-11-21 23:11:43,331 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:11:43" (1/1) ... [2022-11-21 23:11:43,350 INFO L138 Inliner]: procedures = 164, calls = 73, calls flagged for inlining = 21, calls inlined = 3, statements flattened = 51 [2022-11-21 23:11:43,350 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 23:11:43,351 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 23:11:43,351 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 23:11:43,351 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 23:11:43,362 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:11:43" (1/1) ... [2022-11-21 23:11:43,363 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:11:43" (1/1) ... [2022-11-21 23:11:43,365 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:11:43" (1/1) ... [2022-11-21 23:11:43,366 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:11:43" (1/1) ... [2022-11-21 23:11:43,372 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:11:43" (1/1) ... [2022-11-21 23:11:43,376 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:11:43" (1/1) ... [2022-11-21 23:11:43,377 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:11:43" (1/1) ... [2022-11-21 23:11:43,378 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:11:43" (1/1) ... [2022-11-21 23:11:43,381 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 23:11:43,382 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 23:11:43,382 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 23:11:43,382 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 23:11:43,383 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:11:43" (1/1) ... [2022-11-21 23:11:43,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:11:43,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da09823-2bac-4e98-bc85-12c5ba623d1d/bin/ukojak-jW3SillKbg/z3 [2022-11-21 23:11:43,415 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da09823-2bac-4e98-bc85-12c5ba623d1d/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 23:11:43,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da09823-2bac-4e98-bc85-12c5ba623d1d/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 23:11:43,459 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-21 23:11:43,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-21 23:11:43,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-21 23:11:43,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 23:11:43,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-21 23:11:43,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-21 23:11:43,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 23:11:43,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-21 23:11:43,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 23:11:43,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 23:11:43,585 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 23:11:43,587 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 23:11:43,776 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 23:11:43,860 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 23:11:43,860 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-21 23:11:43,863 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:11:43 BoogieIcfgContainer [2022-11-21 23:11:43,863 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 23:11:43,864 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 23:11:43,864 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 23:11:43,876 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 23:11:43,877 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:11:43" (1/1) ... [2022-11-21 23:11:43,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 23:11:43,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:11:43,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 25 states and 29 transitions. [2022-11-21 23:11:43,956 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2022-11-21 23:11:43,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-21 23:11:43,960 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:11:43,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:11:44,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:11:44,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:11:44,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:11:44,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 26 states and 31 transitions. [2022-11-21 23:11:44,459 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2022-11-21 23:11:44,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-21 23:11:44,461 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:11:44,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:11:44,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:11:44,735 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 23:11:44,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:11:44,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 30 states and 38 transitions. [2022-11-21 23:11:44,819 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 38 transitions. [2022-11-21 23:11:44,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-21 23:11:44,819 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:11:44,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:11:44,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:11:44,898 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 23:11:44,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:11:44,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 31 states and 40 transitions. [2022-11-21 23:11:44,914 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 40 transitions. [2022-11-21 23:11:44,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-21 23:11:44,914 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:11:44,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:11:44,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:11:44,999 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 23:11:45,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:11:45,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 32 states and 41 transitions. [2022-11-21 23:11:45,019 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 41 transitions. [2022-11-21 23:11:45,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-21 23:11:45,021 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:11:45,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:11:45,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:11:45,105 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 23:11:45,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:11:45,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 33 states and 42 transitions. [2022-11-21 23:11:45,135 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 42 transitions. [2022-11-21 23:11:45,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-21 23:11:45,135 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:11:45,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:11:45,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:11:45,292 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 23:11:45,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:11:45,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 35 states and 47 transitions. [2022-11-21 23:11:45,424 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 47 transitions. [2022-11-21 23:11:45,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-21 23:11:45,425 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:11:45,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:11:45,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:11:45,511 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 23:11:45,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:11:45,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 36 states and 49 transitions. [2022-11-21 23:11:45,562 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 49 transitions. [2022-11-21 23:11:45,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-21 23:11:45,563 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:11:45,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:11:45,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:11:45,643 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 23:11:45,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:11:45,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 39 states and 53 transitions. [2022-11-21 23:11:45,917 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 53 transitions. [2022-11-21 23:11:45,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-21 23:11:45,918 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:11:45,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:11:45,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:11:46,110 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 23:11:46,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:11:46,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 45 states and 61 transitions. [2022-11-21 23:11:46,467 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 61 transitions. [2022-11-21 23:11:46,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-21 23:11:46,469 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:11:46,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:11:46,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:11:46,686 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 23:11:46,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:11:46,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 49 states and 66 transitions. [2022-11-21 23:11:46,811 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 66 transitions. [2022-11-21 23:11:46,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-21 23:11:46,814 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:11:46,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:11:46,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:11:47,014 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 23:11:47,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:11:47,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 38 states and 46 transitions. [2022-11-21 23:11:47,254 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 46 transitions. [2022-11-21 23:11:47,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-21 23:11:47,255 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:11:47,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:11:47,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:11:47,380 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-21 23:11:47,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:11:47,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 39 states and 48 transitions. [2022-11-21 23:11:47,574 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 48 transitions. [2022-11-21 23:11:47,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-21 23:11:47,575 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:11:47,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:11:47,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:11:47,737 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 23:11:47,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:11:47,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 42 states and 52 transitions. [2022-11-21 23:11:47,879 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 52 transitions. [2022-11-21 23:11:47,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-21 23:11:47,880 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:11:47,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:11:47,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:11:47,960 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-21 23:11:48,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:11:48,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 41 states and 51 transitions. [2022-11-21 23:11:48,081 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 51 transitions. [2022-11-21 23:11:48,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-21 23:11:48,081 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:11:48,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:11:48,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:11:48,253 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 23:11:48,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:11:48,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 43 states and 54 transitions. [2022-11-21 23:11:48,858 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 54 transitions. [2022-11-21 23:11:48,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-21 23:11:48,858 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:11:48,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:11:48,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:11:49,026 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 23:11:49,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:11:49,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 44 states and 54 transitions. [2022-11-21 23:11:49,043 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 54 transitions. [2022-11-21 23:11:49,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-21 23:11:49,043 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:11:49,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:11:49,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:11:49,216 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-21 23:11:49,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:11:49,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 50 states and 64 transitions. [2022-11-21 23:11:49,764 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 64 transitions. [2022-11-21 23:11:49,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-21 23:11:49,765 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:11:49,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:11:49,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:11:49,981 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-21 23:11:50,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:11:50,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 54 states and 70 transitions. [2022-11-21 23:11:50,419 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 70 transitions. [2022-11-21 23:11:50,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-21 23:11:50,420 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:11:50,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:11:50,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:11:50,864 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-21 23:11:53,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:11:53,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 60 states and 80 transitions. [2022-11-21 23:11:53,544 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 80 transitions. [2022-11-21 23:11:53,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-21 23:11:53,545 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:11:53,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:11:53,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:11:53,732 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-21 23:11:53,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:11:53,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 61 states and 80 transitions. [2022-11-21 23:11:53,765 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 80 transitions. [2022-11-21 23:11:53,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-21 23:11:53,765 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:11:53,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:11:53,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:11:54,093 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-21 23:11:55,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:11:55,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 67 states and 90 transitions. [2022-11-21 23:11:55,119 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 90 transitions. [2022-11-21 23:11:55,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-21 23:11:55,120 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:11:55,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:11:55,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:11:55,306 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-21 23:11:55,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:11:55,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 69 states and 92 transitions. [2022-11-21 23:11:55,920 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 92 transitions. [2022-11-21 23:11:55,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-21 23:11:55,921 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:11:55,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:11:55,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:11:56,228 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-21 23:11:57,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:11:57,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 75 states and 101 transitions. [2022-11-21 23:11:57,445 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 101 transitions. [2022-11-21 23:11:57,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-21 23:11:57,446 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:11:57,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:11:57,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:11:57,799 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 2 proven. 30 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-21 23:11:58,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:11:58,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 80 states and 106 transitions. [2022-11-21 23:11:58,838 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 106 transitions. [2022-11-21 23:11:58,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-21 23:11:58,838 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:11:58,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:11:58,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:11:59,204 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-11-21 23:12:00,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:12:00,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 86 states and 116 transitions. [2022-11-21 23:12:00,294 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 116 transitions. [2022-11-21 23:12:00,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-21 23:12:00,294 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:12:00,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:12:00,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:12:00,459 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-11-21 23:12:01,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:12:01,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 88 states and 118 transitions. [2022-11-21 23:12:01,229 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 118 transitions. [2022-11-21 23:12:01,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-11-21 23:12:01,230 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:12:01,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:12:01,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:12:01,644 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-11-21 23:12:03,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:12:03,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 94 states and 126 transitions. [2022-11-21 23:12:03,172 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 126 transitions. [2022-11-21 23:12:03,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-11-21 23:12:03,173 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:12:03,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:12:03,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:12:03,592 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 2 proven. 52 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-11-21 23:12:04,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:12:04,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 99 states and 131 transitions. [2022-11-21 23:12:04,828 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 131 transitions. [2022-11-21 23:12:04,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-11-21 23:12:04,829 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:12:04,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:12:04,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:12:05,239 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 0 proven. 85 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-11-21 23:12:06,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:12:06,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 105 states and 141 transitions. [2022-11-21 23:12:06,701 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 141 transitions. [2022-11-21 23:12:06,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-11-21 23:12:06,702 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:12:06,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:12:06,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:12:06,927 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 0 proven. 85 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-11-21 23:12:07,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:12:07,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 107 states and 143 transitions. [2022-11-21 23:12:07,831 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 143 transitions. [2022-11-21 23:12:07,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-11-21 23:12:07,838 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:12:07,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:12:07,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:12:08,244 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 65 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-11-21 23:12:09,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:12:09,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 113 states and 151 transitions. [2022-11-21 23:12:09,702 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 151 transitions. [2022-11-21 23:12:09,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-11-21 23:12:09,703 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:12:09,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:12:09,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:12:10,257 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 2 proven. 80 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-11-21 23:12:11,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:12:11,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 118 states and 156 transitions. [2022-11-21 23:12:11,665 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 156 transitions. [2022-11-21 23:12:11,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-11-21 23:12:11,666 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:12:11,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:12:11,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:12:12,187 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-11-21 23:12:13,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:12:13,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 124 states and 166 transitions. [2022-11-21 23:12:13,684 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 166 transitions. [2022-11-21 23:12:13,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-11-21 23:12:13,688 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:12:13,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:12:13,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:12:13,968 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-11-21 23:12:14,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:12:14,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 126 states and 168 transitions. [2022-11-21 23:12:14,899 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 168 transitions. [2022-11-21 23:12:14,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-11-21 23:12:14,900 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:12:14,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:12:14,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:12:15,421 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2022-11-21 23:12:17,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:12:17,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 132 states and 176 transitions. [2022-11-21 23:12:17,130 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 176 transitions. [2022-11-21 23:12:17,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-11-21 23:12:17,131 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:12:17,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:12:17,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:12:17,747 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 2 proven. 114 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-11-21 23:12:19,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:12:19,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 137 states and 181 transitions. [2022-11-21 23:12:19,352 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 181 transitions. [2022-11-21 23:12:19,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-11-21 23:12:19,353 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:12:19,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:12:19,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:12:19,945 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 0 proven. 161 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-11-21 23:12:21,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:12:21,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 143 states and 191 transitions. [2022-11-21 23:12:21,603 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 191 transitions. [2022-11-21 23:12:21,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-11-21 23:12:21,604 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:12:21,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:12:21,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:12:21,945 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 0 proven. 161 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-11-21 23:12:23,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:12:23,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 145 states and 193 transitions. [2022-11-21 23:12:23,019 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 193 transitions. [2022-11-21 23:12:23,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-11-21 23:12:23,021 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:12:23,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:12:23,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:12:23,594 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 0 proven. 133 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2022-11-21 23:12:25,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:12:25,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 151 states and 201 transitions. [2022-11-21 23:12:25,517 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 201 transitions. [2022-11-21 23:12:25,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-11-21 23:12:25,518 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:12:25,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:12:25,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:12:26,234 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 2 proven. 154 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-11-21 23:12:28,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:12:28,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 156 states and 206 transitions. [2022-11-21 23:12:28,018 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 206 transitions. [2022-11-21 23:12:28,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-11-21 23:12:28,019 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:12:28,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:12:28,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:12:28,678 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 0 proven. 208 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-11-21 23:12:30,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:12:30,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 162 states and 216 transitions. [2022-11-21 23:12:30,421 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2022-11-21 23:12:30,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-11-21 23:12:30,422 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:12:30,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:12:30,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:12:30,807 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 0 proven. 208 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-11-21 23:12:32,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:12:32,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 164 states and 218 transitions. [2022-11-21 23:12:32,058 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 218 transitions. [2022-11-21 23:12:32,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-11-21 23:12:32,060 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:12:32,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:12:32,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:12:32,703 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 0 proven. 176 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2022-11-21 23:12:34,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:12:34,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 170 states and 226 transitions. [2022-11-21 23:12:34,843 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 226 transitions. [2022-11-21 23:12:34,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-11-21 23:12:34,844 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:12:34,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:12:34,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:12:35,575 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 2 proven. 200 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-11-21 23:12:37,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:12:37,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 175 states and 231 transitions. [2022-11-21 23:12:37,672 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 231 transitions. [2022-11-21 23:12:37,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-11-21 23:12:37,673 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:12:37,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:12:37,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:12:38,007 INFO L134 CoverageAnalysis]: Checked inductivity of 371 backedges. 0 proven. 261 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2022-11-21 23:12:39,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:12:39,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 181 states and 240 transitions. [2022-11-21 23:12:39,673 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 240 transitions. [2022-11-21 23:12:39,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-11-21 23:12:39,674 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:12:39,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:12:39,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:12:40,020 INFO L134 CoverageAnalysis]: Checked inductivity of 371 backedges. 0 proven. 261 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2022-11-21 23:12:41,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:12:41,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 183 states and 242 transitions. [2022-11-21 23:12:41,328 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 242 transitions. [2022-11-21 23:12:41,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-11-21 23:12:41,329 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:12:41,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:12:41,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:12:42,028 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2022-11-21 23:12:44,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:12:44,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 189 states and 249 transitions. [2022-11-21 23:12:44,348 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 249 transitions. [2022-11-21 23:12:44,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-11-21 23:12:44,349 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:12:44,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:12:44,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:12:45,079 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 2 proven. 252 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2022-11-21 23:12:47,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:12:47,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 194 states and 254 transitions. [2022-11-21 23:12:47,305 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 254 transitions. [2022-11-21 23:12:47,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-11-21 23:12:47,307 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:12:47,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:12:47,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:12:50,199 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 265 proven. 55 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2022-11-21 23:13:05,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:13:05,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 180 states and 232 transitions. [2022-11-21 23:13:05,387 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 232 transitions. [2022-11-21 23:13:05,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-11-21 23:13:05,388 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:13:05,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:13:05,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:13:07,641 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 265 proven. 55 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2022-11-21 23:13:08,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:13:08,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 167 states and 212 transitions. [2022-11-21 23:13:08,801 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 212 transitions. [2022-11-21 23:13:08,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-11-21 23:13:08,802 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:13:08,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:13:08,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:13:09,133 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 2 proven. 280 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2022-11-21 23:13:09,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:13:09,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 164 states and 207 transitions. [2022-11-21 23:13:09,176 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 207 transitions. [2022-11-21 23:13:09,176 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 23:13:09,176 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 52 iterations. [2022-11-21 23:13:09,186 INFO L754 CodeCheckObserver]: All specifications hold 6 specifications checked. All of them hold [2022-11-21 23:13:09,786 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 23:13:09,790 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2022-11-21 23:13:09,793 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 23:13:09,794 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 23:13:09,794 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 11:13:09 ImpRootNode [2022-11-21 23:13:09,794 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 23:13:09,795 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 23:13:09,795 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 23:13:09,795 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 23:13:09,796 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:11:43" (3/4) ... [2022-11-21 23:13:09,799 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 23:13:09,804 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2022-11-21 23:13:09,808 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2022-11-21 23:13:09,808 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-21 23:13:09,809 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-21 23:13:09,851 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da09823-2bac-4e98-bc85-12c5ba623d1d/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 23:13:09,862 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 23:13:09,863 INFO L158 Benchmark]: Toolchain (without parser) took 87367.46ms. Allocated memory was 159.4MB in the beginning and 847.2MB in the end (delta: 687.9MB). Free memory was 121.4MB in the beginning and 562.7MB in the end (delta: -441.3MB). Peak memory consumption was 246.2MB. Max. memory is 16.1GB. [2022-11-21 23:13:09,865 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 125.8MB. Free memory is still 93.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:13:09,865 INFO L158 Benchmark]: CACSL2BoogieTranslator took 792.65ms. Allocated memory is still 159.4MB. Free memory was 121.4MB in the beginning and 115.1MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-21 23:13:09,866 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.44ms. Allocated memory is still 159.4MB. Free memory was 115.1MB in the beginning and 113.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:13:09,866 INFO L158 Benchmark]: Boogie Preprocessor took 29.99ms. Allocated memory is still 159.4MB. Free memory was 113.0MB in the beginning and 111.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:13:09,866 INFO L158 Benchmark]: RCFGBuilder took 481.50ms. Allocated memory is still 159.4MB. Free memory was 111.6MB in the beginning and 97.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-21 23:13:09,867 INFO L158 Benchmark]: CodeCheck took 85930.26ms. Allocated memory was 159.4MB in the beginning and 847.2MB in the end (delta: 687.9MB). Free memory was 97.0MB in the beginning and 564.8MB in the end (delta: -467.8MB). Peak memory consumption was 222.5MB. Max. memory is 16.1GB. [2022-11-21 23:13:09,867 INFO L158 Benchmark]: Witness Printer took 67.75ms. Allocated memory is still 847.2MB. Free memory was 564.8MB in the beginning and 562.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:13:09,869 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 2 procedures, 25 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 85.3s, OverallIterations: 52, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11945 SdHoareTripleChecker+Valid, 42.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9050 mSDsluCounter, 7100 SdHoareTripleChecker+Invalid, 35.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4633 mSDsCounter, 6525 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 24837 IncrementalHoareTripleChecker+Invalid, 31362 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6525 mSolverCounterUnsat, 2467 mSDtfsCounter, 24837 mSolverCounterSat, 0.9s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 18443 GetRequests, 17471 SyntacticMatches, 344 SemanticMatches, 628 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 225590 ImplicationChecksByTransitivity, 70.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 20.1s InterpolantComputationTime, 2468 NumberOfCodeBlocks, 2468 NumberOfCodeBlocksAsserted, 51 NumberOfCheckSat, 2417 ConstructedInterpolants, 0 QuantifiedInterpolants, 6655 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 51 InterpolantComputations, 8 PerfectInterpolantSequences, 2646/6609 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 767]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 767]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 773]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 773]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 773]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 773]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 763]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 767]: Loop Invariant Derived loop invariant: i <= 2147483647 - InvariantResult [Line: 760]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 773]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 125.8MB. Free memory is still 93.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 792.65ms. Allocated memory is still 159.4MB. Free memory was 121.4MB in the beginning and 115.1MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.44ms. Allocated memory is still 159.4MB. Free memory was 115.1MB in the beginning and 113.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.99ms. Allocated memory is still 159.4MB. Free memory was 113.0MB in the beginning and 111.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 481.50ms. Allocated memory is still 159.4MB. Free memory was 111.6MB in the beginning and 97.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 85930.26ms. Allocated memory was 159.4MB in the beginning and 847.2MB in the end (delta: 687.9MB). Free memory was 97.0MB in the beginning and 564.8MB in the end (delta: -467.8MB). Peak memory consumption was 222.5MB. Max. memory is 16.1GB. * Witness Printer took 67.75ms. Allocated memory is still 847.2MB. Free memory was 564.8MB in the beginning and 562.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-21 23:13:09,886 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da09823-2bac-4e98-bc85-12c5ba623d1d/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE