./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety-bftpd/bftpd_2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4776239-6cc8-4399-a3f8-081fe4c83454/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4776239-6cc8-4399-a3f8-081fe4c83454/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_d4776239-6cc8-4399-a3f8-081fe4c83454/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4776239-6cc8-4399-a3f8-081fe4c83454/bin/ukojak-92XMlrwhuB/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety-bftpd/bftpd_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4776239-6cc8-4399-a3f8-081fe4c83454/bin/ukojak-92XMlrwhuB/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4776239-6cc8-4399-a3f8-081fe4c83454/bin/ukojak-92XMlrwhuB --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7c883b81b24ce5a721aa9a1ff13aef8a0d532ba87d9e130e470a0b88a1f8e93e --- 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 16:58:59,520 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:58:59,522 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:58:59,553 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:58:59,554 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:58:59,555 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:58:59,557 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:58:59,559 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:58:59,565 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:58:59,566 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:58:59,567 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:58:59,569 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:58:59,569 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:58:59,570 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:58:59,572 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:58:59,573 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:58:59,574 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:58:59,577 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:58:59,580 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:58:59,590 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:58:59,595 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:58:59,600 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:58:59,604 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:58:59,605 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:58:59,614 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:58:59,614 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:58:59,614 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:58:59,615 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:58:59,616 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:58:59,617 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:58:59,617 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:58:59,618 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:58:59,619 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:58:59,624 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:58:59,626 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:58:59,626 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:58:59,628 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:58:59,629 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:58:59,629 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:58:59,630 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:58:59,631 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:58:59,632 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4776239-6cc8-4399-a3f8-081fe4c83454/bin/ukojak-92XMlrwhuB/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-10-17 16:58:59,680 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:58:59,680 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:58:59,681 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:58:59,682 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:58:59,682 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:58:59,682 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:58:59,683 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 16:58:59,683 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:58:59,683 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:58:59,683 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:58:59,684 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-17 16:58:59,690 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-17 16:58:59,691 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-17 16:58:59,691 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:58:59,691 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:58:59,691 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:58:59,691 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:58:59,692 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:58:59,692 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:58:59,692 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:58:59,692 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:58:59,693 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:58:59,693 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:58:59,693 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:58:59,693 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_d4776239-6cc8-4399-a3f8-081fe4c83454/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4776239-6cc8-4399-a3f8-081fe4c83454/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7c883b81b24ce5a721aa9a1ff13aef8a0d532ba87d9e130e470a0b88a1f8e93e [2022-10-17 16:58:59,979 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:59:00,004 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:59:00,007 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:59:00,008 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:59:00,009 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:59:00,011 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4776239-6cc8-4399-a3f8-081fe4c83454/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/memsafety-bftpd/bftpd_2.i [2022-10-17 16:59:00,093 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4776239-6cc8-4399-a3f8-081fe4c83454/bin/ukojak-92XMlrwhuB/data/163fd39a2/3fada8180ad64159a3bf12fe609d27db/FLAG391dbc008 [2022-10-17 16:59:00,730 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:59:00,732 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4776239-6cc8-4399-a3f8-081fe4c83454/sv-benchmarks/c/memsafety-bftpd/bftpd_2.i [2022-10-17 16:59:00,751 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4776239-6cc8-4399-a3f8-081fe4c83454/bin/ukojak-92XMlrwhuB/data/163fd39a2/3fada8180ad64159a3bf12fe609d27db/FLAG391dbc008 [2022-10-17 16:59:00,965 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4776239-6cc8-4399-a3f8-081fe4c83454/bin/ukojak-92XMlrwhuB/data/163fd39a2/3fada8180ad64159a3bf12fe609d27db [2022-10-17 16:59:00,968 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:59:00,970 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:59:00,971 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:59:00,971 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:59:00,974 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:59:00,975 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:59:00" (1/1) ... [2022-10-17 16:59:00,977 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@173d3b29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:00, skipping insertion in model container [2022-10-17 16:59:00,979 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:59:00" (1/1) ... [2022-10-17 16:59:00,987 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:59:01,026 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:59:01,400 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:59:01,418 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:59:01,477 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:59:01,521 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:59:01,521 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:01 WrapperNode [2022-10-17 16:59:01,521 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:59:01,523 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:59:01,523 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:59:01,523 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:59:01,531 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:01" (1/1) ... [2022-10-17 16:59:01,548 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:01" (1/1) ... [2022-10-17 16:59:01,582 INFO L138 Inliner]: procedures = 168, calls = 42, calls flagged for inlining = 8, calls inlined = 14, statements flattened = 205 [2022-10-17 16:59:01,583 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:59:01,583 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:59:01,584 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:59:01,584 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:59:01,594 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:01" (1/1) ... [2022-10-17 16:59:01,594 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:01" (1/1) ... [2022-10-17 16:59:01,611 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:01" (1/1) ... [2022-10-17 16:59:01,612 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:01" (1/1) ... [2022-10-17 16:59:01,624 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:01" (1/1) ... [2022-10-17 16:59:01,642 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:01" (1/1) ... [2022-10-17 16:59:01,645 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:01" (1/1) ... [2022-10-17 16:59:01,652 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:01" (1/1) ... [2022-10-17 16:59:01,658 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:59:01,659 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:59:01,659 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:59:01,660 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:59:01,661 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:01" (1/1) ... [2022-10-17 16:59:01,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:59:01,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4776239-6cc8-4399-a3f8-081fe4c83454/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:59:01,696 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4776239-6cc8-4399-a3f8-081fe4c83454/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:59:01,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4776239-6cc8-4399-a3f8-081fe4c83454/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:59:01,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:59:01,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:59:01,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:59:01,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 16:59:01,752 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:59:01,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 16:59:01,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:59:01,752 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:59:01,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:59:01,904 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:59:01,907 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:59:02,588 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:59:02,632 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:59:02,637 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-17 16:59:02,640 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:59:02 BoogieIcfgContainer [2022-10-17 16:59:02,641 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:59:02,642 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:59:02,643 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:59:02,654 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:59:02,654 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:59:02" (1/1) ... [2022-10-17 16:59:02,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:59:02,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:02,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 148 states and 168 transitions. [2022-10-17 16:59:02,746 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 168 transitions. [2022-10-17 16:59:02,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-17 16:59:02,749 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:02,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:02,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:03,142 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 16:59:03,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:03,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 150 states and 173 transitions. [2022-10-17 16:59:03,231 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 173 transitions. [2022-10-17 16:59:03,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-17 16:59:03,232 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:03,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:03,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:03,522 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 16:59:03,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:03,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 152 states and 176 transitions. [2022-10-17 16:59:03,697 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 176 transitions. [2022-10-17 16:59:03,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:59:03,698 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:03,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:03,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:03,954 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 16:59:04,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:04,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 155 states and 182 transitions. [2022-10-17 16:59:04,252 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 182 transitions. [2022-10-17 16:59:04,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:59:04,253 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:04,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:04,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:04,606 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 16:59:05,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:05,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 159 states and 190 transitions. [2022-10-17 16:59:05,120 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 190 transitions. [2022-10-17 16:59:05,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:59:05,121 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:05,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:05,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:05,201 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 16:59:05,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:05,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 164 states and 200 transitions. [2022-10-17 16:59:05,971 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 200 transitions. [2022-10-17 16:59:05,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:59:05,972 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:05,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:05,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:06,113 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 16:59:07,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:07,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 170 states and 212 transitions. [2022-10-17 16:59:07,120 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 212 transitions. [2022-10-17 16:59:07,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:59:07,123 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:07,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:07,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:07,178 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 16:59:07,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:07,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 175 states and 222 transitions. [2022-10-17 16:59:07,966 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 222 transitions. [2022-10-17 16:59:07,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:59:07,967 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:07,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:07,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:08,051 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 16:59:09,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:09,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 181 states and 234 transitions. [2022-10-17 16:59:09,217 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2022-10-17 16:59:09,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:59:09,218 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:09,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:09,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:09,451 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 16:59:10,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:10,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 184 states and 247 transitions. [2022-10-17 16:59:10,119 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 247 transitions. [2022-10-17 16:59:10,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:59:10,121 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:10,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:10,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:10,171 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 16:59:10,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:10,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 187 states and 253 transitions. [2022-10-17 16:59:10,396 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 253 transitions. [2022-10-17 16:59:10,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:59:10,397 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:10,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:10,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:10,501 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 16:59:10,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:10,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 189 states and 262 transitions. [2022-10-17 16:59:10,925 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 262 transitions. [2022-10-17 16:59:10,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:59:10,926 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:10,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:10,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:10,947 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 16:59:10,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:10,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 188 states and 260 transitions. [2022-10-17 16:59:10,986 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 260 transitions. [2022-10-17 16:59:10,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:59:10,987 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:10,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:10,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:11,139 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 16:59:11,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:11,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 190 states and 264 transitions. [2022-10-17 16:59:11,467 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 264 transitions. [2022-10-17 16:59:11,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:59:11,468 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:11,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:11,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:11,887 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:59:15,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:15,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 201 states and 295 transitions. [2022-10-17 16:59:15,063 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 295 transitions. [2022-10-17 16:59:15,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:59:15,064 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:15,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:15,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:15,166 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:59:15,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:15,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 203 states and 297 transitions. [2022-10-17 16:59:15,843 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 297 transitions. [2022-10-17 16:59:15,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:59:15,844 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:15,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:15,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:16,018 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:59:16,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:16,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 204 states and 297 transitions. [2022-10-17 16:59:16,327 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 297 transitions. [2022-10-17 16:59:16,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:59:16,328 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:16,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:16,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:16,363 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:59:16,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:16,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 205 states and 297 transitions. [2022-10-17 16:59:16,603 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 297 transitions. [2022-10-17 16:59:16,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:59:16,603 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:16,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:16,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:17,102 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 16:59:20,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:20,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 216 states and 323 transitions. [2022-10-17 16:59:20,672 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 323 transitions. [2022-10-17 16:59:20,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:59:20,673 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:20,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:20,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:20,813 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 16:59:21,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:21,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 218 states and 324 transitions. [2022-10-17 16:59:21,392 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 324 transitions. [2022-10-17 16:59:21,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:59:21,395 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:21,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:21,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:21,424 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 16:59:21,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:21,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 219 states and 324 transitions. [2022-10-17 16:59:21,628 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 324 transitions. [2022-10-17 16:59:21,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:59:21,630 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:21,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:21,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:21,758 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 16:59:21,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:21,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 220 states and 325 transitions. [2022-10-17 16:59:21,981 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 325 transitions. [2022-10-17 16:59:21,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:59:21,982 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:21,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:21,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:22,100 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:59:24,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:24,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 227 states and 344 transitions. [2022-10-17 16:59:24,075 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 344 transitions. [2022-10-17 16:59:24,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:59:24,075 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:24,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:24,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:24,095 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:59:24,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:24,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 229 states and 345 transitions. [2022-10-17 16:59:24,562 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 345 transitions. [2022-10-17 16:59:24,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:59:24,563 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:24,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:24,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:24,655 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:59:24,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:24,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 231 states and 347 transitions. [2022-10-17 16:59:24,690 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 347 transitions. [2022-10-17 16:59:24,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:59:24,691 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:24,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:24,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:24,866 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 16:59:24,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:24,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 219 states and 334 transitions. [2022-10-17 16:59:24,999 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 334 transitions. [2022-10-17 16:59:25,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:59:25,000 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:25,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:25,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:25,244 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:59:27,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:27,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 227 states and 361 transitions. [2022-10-17 16:59:27,758 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 361 transitions. [2022-10-17 16:59:27,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:59:27,759 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:27,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:27,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:27,798 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:59:29,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:29,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 231 states and 366 transitions. [2022-10-17 16:59:29,221 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 366 transitions. [2022-10-17 16:59:29,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:59:29,224 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:29,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:29,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:29,387 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 16:59:29,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:29,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 233 states and 368 transitions. [2022-10-17 16:59:29,431 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 368 transitions. [2022-10-17 16:59:29,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:59:29,432 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:29,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:29,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:29,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.