./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/cstrncat-alloca-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_dba62b46-c750-4799-9691-a66f98e2e7ca/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dba62b46-c750-4799-9691-a66f98e2e7ca/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_dba62b46-c750-4799-9691-a66f98e2e7ca/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dba62b46-c750-4799-9691-a66f98e2e7ca/bin/ukojak-92XMlrwhuB/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/cstrncat-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dba62b46-c750-4799-9691-a66f98e2e7ca/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_dba62b46-c750-4799-9691-a66f98e2e7ca/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 d8697c629a22dee8b5a51c26261db89d3e1115a5e0c1bc03fd54c09ffc3b9b0d --- 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 16:48:29,746 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:48:29,749 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:48:29,782 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:48:29,783 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:48:29,784 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:48:29,786 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:48:29,789 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:48:29,791 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:48:29,793 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:48:29,794 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:48:29,796 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:48:29,796 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:48:29,798 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:48:29,799 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:48:29,801 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:48:29,802 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:48:29,803 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:48:29,806 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:48:29,809 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:48:29,811 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:48:29,813 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:48:29,814 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:48:29,816 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:48:29,821 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:48:29,826 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:48:29,826 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:48:29,829 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:48:29,830 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:48:29,831 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:48:29,832 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:48:29,833 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:48:29,834 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:48:29,835 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:48:29,837 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:48:29,837 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:48:29,838 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:48:29,838 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:48:29,839 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:48:29,840 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:48:29,841 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:48:29,844 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dba62b46-c750-4799-9691-a66f98e2e7ca/bin/ukojak-92XMlrwhuB/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-10-17 16:48:29,893 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:48:29,893 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:48:29,894 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:48:29,894 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:48:29,895 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:48:29,895 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:48:29,895 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 16:48:29,895 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:48:29,895 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:48:29,896 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:48:29,896 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-17 16:48:29,896 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-17 16:48:29,896 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-17 16:48:29,896 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:48:29,897 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:48:29,897 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:48:29,897 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:48:29,897 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:48:29,897 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:48:29,898 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:48:29,898 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:48:29,898 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:48:29,898 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:48:29,898 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:48:29,899 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_dba62b46-c750-4799-9691-a66f98e2e7ca/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dba62b46-c750-4799-9691-a66f98e2e7ca/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d8697c629a22dee8b5a51c26261db89d3e1115a5e0c1bc03fd54c09ffc3b9b0d [2022-10-17 16:48:30,175 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:48:30,203 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:48:30,206 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:48:30,207 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:48:30,209 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:48:30,210 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dba62b46-c750-4799-9691-a66f98e2e7ca/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/array-memsafety/cstrncat-alloca-2.i [2022-10-17 16:48:30,306 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dba62b46-c750-4799-9691-a66f98e2e7ca/bin/ukojak-92XMlrwhuB/data/60160bdf4/67c1737c3e7748f39e8071a7281ca92f/FLAG0d7bc34c5 [2022-10-17 16:48:30,878 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:48:30,878 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dba62b46-c750-4799-9691-a66f98e2e7ca/sv-benchmarks/c/array-memsafety/cstrncat-alloca-2.i [2022-10-17 16:48:30,900 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dba62b46-c750-4799-9691-a66f98e2e7ca/bin/ukojak-92XMlrwhuB/data/60160bdf4/67c1737c3e7748f39e8071a7281ca92f/FLAG0d7bc34c5 [2022-10-17 16:48:31,184 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dba62b46-c750-4799-9691-a66f98e2e7ca/bin/ukojak-92XMlrwhuB/data/60160bdf4/67c1737c3e7748f39e8071a7281ca92f [2022-10-17 16:48:31,187 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:48:31,188 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:48:31,191 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:48:31,191 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:48:31,194 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:48:31,195 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:48:31" (1/1) ... [2022-10-17 16:48:31,197 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@424eb539 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:31, skipping insertion in model container [2022-10-17 16:48:31,197 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:48:31" (1/1) ... [2022-10-17 16:48:31,205 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:48:31,270 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:48:31,645 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:48:31,653 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:48:31,691 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:48:31,719 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:48:31,720 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:31 WrapperNode [2022-10-17 16:48:31,720 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:48:31,721 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:48:31,721 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:48:31,721 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:48:31,729 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:31" (1/1) ... [2022-10-17 16:48:31,743 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:31" (1/1) ... [2022-10-17 16:48:31,770 INFO L138 Inliner]: procedures = 117, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 107 [2022-10-17 16:48:31,771 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:48:31,771 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:48:31,772 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:48:31,772 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:48:31,780 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:31" (1/1) ... [2022-10-17 16:48:31,780 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:31" (1/1) ... [2022-10-17 16:48:31,784 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:31" (1/1) ... [2022-10-17 16:48:31,785 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:31" (1/1) ... [2022-10-17 16:48:31,794 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:31" (1/1) ... [2022-10-17 16:48:31,804 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:31" (1/1) ... [2022-10-17 16:48:31,813 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:31" (1/1) ... [2022-10-17 16:48:31,814 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:31" (1/1) ... [2022-10-17 16:48:31,817 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:48:31,820 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:48:31,820 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:48:31,821 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:48:31,822 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:31" (1/1) ... [2022-10-17 16:48:31,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:48:31,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dba62b46-c750-4799-9691-a66f98e2e7ca/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:48:31,852 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dba62b46-c750-4799-9691-a66f98e2e7ca/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:48:31,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dba62b46-c750-4799-9691-a66f98e2e7ca/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:48:31,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:48:31,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:48:31,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:48:31,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:48:31,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:48:31,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:48:32,003 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:48:32,005 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:48:32,370 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:48:32,468 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:48:32,473 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-10-17 16:48:32,476 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:48:32 BoogieIcfgContainer [2022-10-17 16:48:32,479 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:48:32,480 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:48:32,480 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:48:32,490 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:48:32,491 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:48:32" (1/1) ... [2022-10-17 16:48:32,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:48:32,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:32,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 40 states and 48 transitions. [2022-10-17 16:48:32,590 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 48 transitions. [2022-10-17 16:48:32,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-17 16:48:32,592 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:32,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:32,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:32,751 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 16:48:32,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:32,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 41 states and 49 transitions. [2022-10-17 16:48:32,796 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 49 transitions. [2022-10-17 16:48:32,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:48:32,797 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:32,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:32,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:33,027 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 16:48:33,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:33,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 40 states and 48 transitions. [2022-10-17 16:48:33,071 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 48 transitions. [2022-10-17 16:48:33,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:48:33,071 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:33,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:33,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:33,496 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 16:48:33,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:33,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 42 states and 52 transitions. [2022-10-17 16:48:33,959 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 52 transitions. [2022-10-17 16:48:33,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:48:33,960 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:33,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:33,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:34,070 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 16:48:34,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:34,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 44 states and 56 transitions. [2022-10-17 16:48:34,280 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 56 transitions. [2022-10-17 16:48:34,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:48:34,283 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:34,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:34,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:34,423 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 16:48:34,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:34,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 45 states and 59 transitions. [2022-10-17 16:48:34,863 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 59 transitions. [2022-10-17 16:48:34,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:48:34,864 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:34,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:34,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:34,913 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 16:48:35,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:35,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 47 states and 64 transitions. [2022-10-17 16:48:35,064 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 64 transitions. [2022-10-17 16:48:35,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:48:35,065 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:35,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:35,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:35,319 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 16:48:36,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:36,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 49 states and 70 transitions. [2022-10-17 16:48:36,290 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 70 transitions. [2022-10-17 16:48:36,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:48:36,291 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:36,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:36,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:36,559 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 16:48:37,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:37,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 52 states and 79 transitions. [2022-10-17 16:48:37,461 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 79 transitions. [2022-10-17 16:48:37,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:48:37,462 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:37,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:37,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:37,510 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 16:48:37,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:37,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 54 states and 82 transitions. [2022-10-17 16:48:37,750 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 82 transitions. [2022-10-17 16:48:37,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:48:37,751 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:37,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:37,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:37,917 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 16:48:39,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:39,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 57 states and 88 transitions. [2022-10-17 16:48:39,164 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 88 transitions. [2022-10-17 16:48:39,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:48:39,165 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:39,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:39,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:39,450 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 16:48:40,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:40,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 58 states and 94 transitions. [2022-10-17 16:48:40,166 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 94 transitions. [2022-10-17 16:48:40,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:48:40,167 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:40,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:40,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:40,445 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:48:41,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:41,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 61 states and 105 transitions. [2022-10-17 16:48:41,850 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 105 transitions. [2022-10-17 16:48:41,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:48:41,851 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:41,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:41,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:41,897 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:48:42,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:42,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 62 states and 108 transitions. [2022-10-17 16:48:42,414 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 108 transitions. [2022-10-17 16:48:42,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:48:42,415 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:42,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:42,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:42,541 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 16:48:42,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:42,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 63 states and 110 transitions. [2022-10-17 16:48:42,891 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 110 transitions. [2022-10-17 16:48:42,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:48:42,892 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:42,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:42,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:43,191 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 16:48:43,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:43,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 65 states and 115 transitions. [2022-10-17 16:48:43,974 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 115 transitions. [2022-10-17 16:48:43,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:48:43,974 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:43,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:43,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:44,377 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:48:45,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:45,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 62 states and 106 transitions. [2022-10-17 16:48:45,333 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 106 transitions. [2022-10-17 16:48:45,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:48:45,334 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:45,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:45,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:45,435 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:48:46,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:46,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 63 states and 108 transitions. [2022-10-17 16:48:46,208 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 108 transitions. [2022-10-17 16:48:46,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:48:46,209 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:46,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:46,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:46,435 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 16:48:47,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:47,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 61 states and 95 transitions. [2022-10-17 16:48:47,061 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 95 transitions. [2022-10-17 16:48:47,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:48:47,066 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:47,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:47,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:47,136 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:48:47,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:47,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 62 states and 97 transitions. [2022-10-17 16:48:47,550 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 97 transitions. [2022-10-17 16:48:47,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:48:47,551 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:47,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:47,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:47,854 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:48:49,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:49,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 65 states and 105 transitions. [2022-10-17 16:48:49,276 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 105 transitions. [2022-10-17 16:48:49,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:48:49,277 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:49,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:49,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:49,333 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:48:49,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:49,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 57 states and 85 transitions. [2022-10-17 16:48:49,783 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 85 transitions. [2022-10-17 16:48:49,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:48:49,783 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:49,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:49,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:50,185 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:48:52,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:52,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 61 states and 94 transitions. [2022-10-17 16:48:52,493 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 94 transitions. [2022-10-17 16:48:52,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:48:52,494 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:52,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:52,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:52,515 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:48:53,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:53,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 63 states and 97 transitions. [2022-10-17 16:48:53,649 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 97 transitions. [2022-10-17 16:48:53,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:48:53,649 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:53,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:53,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:53,998 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:48:55,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:55,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 65 states and 102 transitions. [2022-10-17 16:48:55,450 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 102 transitions. [2022-10-17 16:48:55,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:48:55,450 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:55,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:55,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:56,341 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 16:48:58,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:58,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 69 states and 113 transitions. [2022-10-17 16:48:58,420 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 113 transitions. [2022-10-17 16:48:58,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:48:58,420 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:58,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:58,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:58,456 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:48:58,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:58,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 69 states and 112 transitions. [2022-10-17 16:48:58,694 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 112 transitions. [2022-10-17 16:48:58,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:48:58,694 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:58,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:58,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:58,769 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:48:59,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:59,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 64 states and 99 transitions. [2022-10-17 16:48:59,410 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 99 transitions. [2022-10-17 16:48:59,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:48:59,410 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:59,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:59,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:59,856 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:49:02,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:02,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 67 states and 110 transitions. [2022-10-17 16:49:02,480 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 110 transitions. [2022-10-17 16:49:02,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:49:02,481 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:02,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:02,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:02,506 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 16:49:02,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:02,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 67 states and 109 transitions. [2022-10-17 16:49:02,513 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 109 transitions. [2022-10-17 16:49:02,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:49:02,513 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:02,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:02,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:02,910 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.