./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test4-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02b626a8-3e9e-4db8-9d80-4d3fc00b05ba/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02b626a8-3e9e-4db8-9d80-4d3fc00b05ba/bin/ukojak-2xVlg8857e/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02b626a8-3e9e-4db8-9d80-4d3fc00b05ba/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02b626a8-3e9e-4db8-9d80-4d3fc00b05ba/bin/ukojak-2xVlg8857e/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test4-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02b626a8-3e9e-4db8-9d80-4d3fc00b05ba/bin/ukojak-2xVlg8857e/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02b626a8-3e9e-4db8-9d80-4d3fc00b05ba/bin/ukojak-2xVlg8857e --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 08dbe1d8baf218c90d79c7aa96b8d857526ff0e474f0acb076b8cd9ca4d11ff2 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 23:06:47,473 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 23:06:47,475 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 23:06:47,527 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 23:06:47,527 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 23:06:47,529 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 23:06:47,530 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 23:06:47,543 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 23:06:47,546 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 23:06:47,553 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 23:06:47,554 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 23:06:47,556 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 23:06:47,556 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 23:06:47,557 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 23:06:47,558 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 23:06:47,560 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 23:06:47,561 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 23:06:47,562 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 23:06:47,568 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 23:06:47,570 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 23:06:47,572 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 23:06:47,574 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 23:06:47,575 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 23:06:47,576 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 23:06:47,580 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 23:06:47,580 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 23:06:47,580 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 23:06:47,581 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 23:06:47,582 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 23:06:47,583 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 23:06:47,583 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 23:06:47,584 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 23:06:47,585 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 23:06:47,585 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 23:06:47,586 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 23:06:47,587 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 23:06:47,587 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 23:06:47,587 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 23:06:47,588 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 23:06:47,588 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 23:06:47,589 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 23:06:47,590 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02b626a8-3e9e-4db8-9d80-4d3fc00b05ba/bin/ukojak-2xVlg8857e/config/svcomp-Overflow-32bit-Kojak_Default.epf [2021-11-13 23:06:47,617 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 23:06:47,617 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 23:06:47,618 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 23:06:47,618 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-13 23:06:47,619 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 23:06:47,619 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 23:06:47,619 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 23:06:47,619 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 23:06:47,620 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 23:06:47,620 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 23:06:47,620 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 23:06:47,620 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 23:06:47,620 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 23:06:47,621 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 23:06:47,621 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 23:06:47,621 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-13 23:06:47,621 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 23:06:47,621 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 23:06:47,621 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 23:06:47,622 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 23:06:47,622 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 23:06:47,622 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 23:06:47,622 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 23:06:47,622 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:06:47,623 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 23:06:47,623 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 23:06:47,623 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 23:06:47,623 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-13 23:06:47,623 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 23:06:47,624 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 23:06:47,624 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_02b626a8-3e9e-4db8-9d80-4d3fc00b05ba/bin/ukojak-2xVlg8857e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02b626a8-3e9e-4db8-9d80-4d3fc00b05ba/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 08dbe1d8baf218c90d79c7aa96b8d857526ff0e474f0acb076b8cd9ca4d11ff2 [2021-11-13 23:06:47,901 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 23:06:47,930 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 23:06:47,933 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 23:06:47,936 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 23:06:47,936 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 23:06:47,938 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02b626a8-3e9e-4db8-9d80-4d3fc00b05ba/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test4-1.i [2021-11-13 23:06:48,029 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02b626a8-3e9e-4db8-9d80-4d3fc00b05ba/bin/ukojak-2xVlg8857e/data/2d8d992b6/f97996f68885476da5de5fe0488e150f/FLAG257a05c97 [2021-11-13 23:06:48,575 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 23:06:48,576 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02b626a8-3e9e-4db8-9d80-4d3fc00b05ba/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test4-1.i [2021-11-13 23:06:48,617 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02b626a8-3e9e-4db8-9d80-4d3fc00b05ba/bin/ukojak-2xVlg8857e/data/2d8d992b6/f97996f68885476da5de5fe0488e150f/FLAG257a05c97 [2021-11-13 23:06:48,823 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02b626a8-3e9e-4db8-9d80-4d3fc00b05ba/bin/ukojak-2xVlg8857e/data/2d8d992b6/f97996f68885476da5de5fe0488e150f [2021-11-13 23:06:48,826 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 23:06:48,828 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 23:06:48,834 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 23:06:48,834 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 23:06:48,842 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 23:06:48,843 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:06:48" (1/1) ... [2021-11-13 23:06:48,844 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bf6b59d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:06:48, skipping insertion in model container [2021-11-13 23:06:48,844 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:06:48" (1/1) ... [2021-11-13 23:06:48,853 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 23:06:48,925 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 23:06:49,361 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02b626a8-3e9e-4db8-9d80-4d3fc00b05ba/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test4-1.i[33021,33034] [2021-11-13 23:06:49,497 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:06:49,506 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 23:06:49,542 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02b626a8-3e9e-4db8-9d80-4d3fc00b05ba/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test4-1.i[33021,33034] [2021-11-13 23:06:49,643 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:06:49,687 INFO L208 MainTranslator]: Completed translation [2021-11-13 23:06:49,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:06:49 WrapperNode [2021-11-13 23:06:49,688 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 23:06:49,689 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 23:06:49,689 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 23:06:49,689 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 23:06:49,696 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:06:49" (1/1) ... [2021-11-13 23:06:49,740 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:06:49" (1/1) ... [2021-11-13 23:06:49,858 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 23:06:49,858 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 23:06:49,859 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 23:06:49,870 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 23:06:49,878 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:06:49" (1/1) ... [2021-11-13 23:06:49,878 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:06:49" (1/1) ... [2021-11-13 23:06:49,905 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:06:49" (1/1) ... [2021-11-13 23:06:49,906 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:06:49" (1/1) ... [2021-11-13 23:06:50,007 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:06:49" (1/1) ... [2021-11-13 23:06:50,032 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:06:49" (1/1) ... [2021-11-13 23:06:50,050 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:06:49" (1/1) ... [2021-11-13 23:06:50,078 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 23:06:50,079 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 23:06:50,079 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 23:06:50,079 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 23:06:50,088 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:06:49" (1/1) ... [2021-11-13 23:06:50,104 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:06:50,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02b626a8-3e9e-4db8-9d80-4d3fc00b05ba/bin/ukojak-2xVlg8857e/z3 [2021-11-13 23:06:50,130 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02b626a8-3e9e-4db8-9d80-4d3fc00b05ba/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 23:06:50,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02b626a8-3e9e-4db8-9d80-4d3fc00b05ba/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 23:06:50,189 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 23:06:50,189 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-13 23:06:50,190 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-13 23:06:50,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 23:06:50,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-13 23:06:50,190 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-13 23:06:50,191 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-13 23:06:50,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-13 23:06:50,191 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 23:06:50,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-13 23:06:50,191 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 23:06:50,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 23:06:50,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 23:06:50,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 23:06:52,535 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 23:06:52,535 INFO L299 CfgBuilder]: Removed 60 assume(true) statements. [2021-11-13 23:06:52,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:06:52 BoogieIcfgContainer [2021-11-13 23:06:52,538 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 23:06:52,539 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-13 23:06:52,540 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-13 23:06:52,552 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-13 23:06:52,552 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:06:52" (1/1) ... [2021-11-13 23:06:52,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 23:06:52,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:06:52,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 135 states and 231 transitions. [2021-11-13 23:06:52,658 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 231 transitions. [2021-11-13 23:06:52,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-13 23:06:52,659 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:06:52,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:06:52,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:06:52,830 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 23:06:52,836 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:06:52,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:06:52,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:06:52,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 137 states and 234 transitions. [2021-11-13 23:06:52,925 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 234 transitions. [2021-11-13 23:06:52,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-13 23:06:52,925 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:06:52,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:06:53,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:06:53,038 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-13 23:06:53,041 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:06:53,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:06:53,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:06:53,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 136 states and 233 transitions. [2021-11-13 23:06:53,065 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 233 transitions. [2021-11-13 23:06:53,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-13 23:06:53,066 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:06:53,067 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:06:53,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:06:53,149 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-13 23:06:53,151 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:06:53,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:06:53,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:06:53,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 136 states and 229 transitions. [2021-11-13 23:06:53,179 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 229 transitions. [2021-11-13 23:06:53,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-13 23:06:53,185 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:06:53,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:06:53,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:06:53,250 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-13 23:06:53,253 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:06:53,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:06:53,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:06:53,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 136 states and 221 transitions. [2021-11-13 23:06:53,308 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 221 transitions. [2021-11-13 23:06:53,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-13 23:06:53,311 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:06:53,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:06:53,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:06:53,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-13 23:06:53,413 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:06:53,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:06:53,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:06:53,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 136 states and 209 transitions. [2021-11-13 23:06:53,483 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 209 transitions. [2021-11-13 23:06:53,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-13 23:06:53,492 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:06:53,493 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:06:53,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:06:53,585 INFO L263 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-13 23:06:53,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:06:53,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:06:53,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:06:53,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 136 states and 197 transitions. [2021-11-13 23:06:53,800 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 197 transitions. [2021-11-13 23:06:53,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-13 23:06:53,801 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:06:53,801 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:06:53,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:06:53,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 23:06:53,988 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:06:54,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:06:54,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:06:54,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 181 states and 253 transitions. [2021-11-13 23:06:54,588 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 253 transitions. [2021-11-13 23:06:54,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-13 23:06:54,590 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:06:54,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:06:54,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:06:54,695 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-13 23:06:54,699 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:06:54,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:06:54,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:06:54,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 181 states and 251 transitions. [2021-11-13 23:06:54,786 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 251 transitions. [2021-11-13 23:06:54,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-13 23:06:54,788 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:06:54,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:06:54,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:06:54,886 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-13 23:06:54,888 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:06:54,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:06:54,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:06:54,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 181 states and 249 transitions. [2021-11-13 23:06:54,975 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 249 transitions. [2021-11-13 23:06:54,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-13 23:06:54,976 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:06:54,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:06:55,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:06:55,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 23:06:55,081 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:06:55,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:06:55,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:06:55,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 227 states and 307 transitions. [2021-11-13 23:06:55,766 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 307 transitions. [2021-11-13 23:06:55,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-13 23:06:55,768 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:06:55,768 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:06:55,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:06:55,864 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-13 23:06:55,866 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:06:55,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:06:55,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:06:55,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 227 states and 305 transitions. [2021-11-13 23:06:55,972 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 305 transitions. [2021-11-13 23:06:55,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-13 23:06:55,973 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:06:55,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:06:56,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:06:56,072 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-13 23:06:56,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:06:56,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:06:56,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:06:56,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 227 states and 303 transitions. [2021-11-13 23:06:56,181 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 303 transitions. [2021-11-13 23:06:56,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-13 23:06:56,182 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:06:56,182 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:06:56,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:06:56,282 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-13 23:06:56,284 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:06:56,374 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:06:56,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:06:56,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 227 states and 301 transitions. [2021-11-13 23:06:56,393 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 301 transitions. [2021-11-13 23:06:56,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-13 23:06:56,393 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:06:56,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:06:56,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:06:56,499 INFO L263 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 23:06:56,501 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:06:56,888 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:06:57,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:06:57,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 261 states and 343 transitions. [2021-11-13 23:06:57,224 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 343 transitions. [2021-11-13 23:06:57,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-13 23:06:57,226 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:06:57,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:06:57,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:06:57,323 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-13 23:06:57,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:06:57,403 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:06:57,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:06:57,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 261 states and 341 transitions. [2021-11-13 23:06:57,412 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 341 transitions. [2021-11-13 23:06:57,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-13 23:06:57,414 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:06:57,414 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:06:57,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:06:57,514 INFO L263 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 23:06:57,516 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:06:57,645 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:06:57,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:06:57,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 264 states and 343 transitions. [2021-11-13 23:06:57,674 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 343 transitions. [2021-11-13 23:06:57,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-13 23:06:57,675 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:06:57,675 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:06:57,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:06:57,771 INFO L263 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-13 23:06:57,773 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:06:57,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:06:57,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:06:57,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 264 states and 341 transitions. [2021-11-13 23:06:57,943 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 341 transitions. [2021-11-13 23:06:57,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-13 23:06:57,944 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:06:57,944 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:06:58,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:06:58,040 INFO L263 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 23:06:58,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:06:58,202 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:06:58,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:06:58,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 267 states and 343 transitions. [2021-11-13 23:06:58,235 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 343 transitions. [2021-11-13 23:06:58,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-13 23:06:58,236 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:06:58,236 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:06:58,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:06:58,333 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 23:06:58,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:06:58,455 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:06:58,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:06:58,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 270 states and 345 transitions. [2021-11-13 23:06:58,492 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 345 transitions. [2021-11-13 23:06:58,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-13 23:06:58,493 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:06:58,493 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:06:58,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:06:58,590 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 23:06:58,592 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:06:58,709 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:06:58,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:06:58,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 273 states and 347 transitions. [2021-11-13 23:06:58,752 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 347 transitions. [2021-11-13 23:06:58,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-13 23:06:58,754 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:06:58,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:06:58,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:06:58,856 INFO L263 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 23:06:58,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:06:59,083 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:06:59,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:06:59,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 276 states and 349 transitions. [2021-11-13 23:06:59,129 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 349 transitions. [2021-11-13 23:06:59,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-13 23:06:59,131 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:06:59,131 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:06:59,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:06:59,245 INFO L263 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 23:06:59,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:06:59,456 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:06:59,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:06:59,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 279 states and 351 transitions. [2021-11-13 23:06:59,482 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 351 transitions. [2021-11-13 23:06:59,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-13 23:06:59,483 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:06:59,483 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:06:59,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:06:59,590 INFO L263 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-13 23:06:59,592 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:06:59,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:06:59,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:06:59,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 279 states and 350 transitions. [2021-11-13 23:06:59,696 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 350 transitions. [2021-11-13 23:06:59,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-13 23:06:59,697 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:06:59,698 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:06:59,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:06:59,811 INFO L263 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 23:06:59,814 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:06:59,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:07:00,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:07:00,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 288 states and 361 transitions. [2021-11-13 23:07:00,237 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 361 transitions. [2021-11-13 23:07:00,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-13 23:07:00,238 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:07:00,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:07:00,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:07:00,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 23:07:00,360 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:07:00,508 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 23:07:00,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:07:00,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 297 states and 371 transitions. [2021-11-13 23:07:00,548 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 371 transitions. [2021-11-13 23:07:00,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-13 23:07:00,550 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:07:00,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:07:00,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:07:00,698 INFO L263 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 23:07:00,706 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:07:00,842 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 23:07:00,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:07:00,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 306 states and 381 transitions. [2021-11-13 23:07:00,879 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 381 transitions. [2021-11-13 23:07:00,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-13 23:07:00,881 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:07:00,881 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:07:00,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:07:00,996 INFO L263 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 23:07:00,998 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:07:01,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:07:01,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:07:01,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 315 states and 392 transitions. [2021-11-13 23:07:01,474 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 392 transitions. [2021-11-13 23:07:01,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-13 23:07:01,475 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:07:01,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:07:01,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:07:01,577 INFO L263 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 23:07:01,579 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:07:01,733 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 23:07:01,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:07:01,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 324 states and 402 transitions. [2021-11-13 23:07:01,808 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 402 transitions. [2021-11-13 23:07:01,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-13 23:07:01,812 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:07:01,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:07:01,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:07:01,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 23:07:01,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:07:02,062 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 23:07:02,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:07:02,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 333 states and 412 transitions. [2021-11-13 23:07:02,116 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 412 transitions. [2021-11-13 23:07:02,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-13 23:07:02,118 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:07:02,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:07:02,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:07:02,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 23:07:02,271 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:07:02,543 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:07:02,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:07:02,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 342 states and 423 transitions. [2021-11-13 23:07:02,944 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 423 transitions. [2021-11-13 23:07:02,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-13 23:07:02,945 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:07:02,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:07:03,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:07:03,067 INFO L263 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 23:07:03,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:07:03,210 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:07:03,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:07:03,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 343 states and 425 transitions. [2021-11-13 23:07:03,644 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 425 transitions. [2021-11-13 23:07:03,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-13 23:07:03,647 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:07:03,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:07:03,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:07:03,767 INFO L263 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 23:07:03,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:07:03,931 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 23:07:04,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:07:04,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 356 states and 440 transitions. [2021-11-13 23:07:04,081 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 440 transitions. [2021-11-13 23:07:04,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-13 23:07:04,082 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:07:04,083 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:07:04,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:07:04,192 INFO L263 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 23:07:04,195 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:07:04,447 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 23:07:04,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:07:04,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 365 states and 450 transitions. [2021-11-13 23:07:04,486 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 450 transitions. [2021-11-13 23:07:04,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-13 23:07:04,487 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:07:04,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:07:04,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:07:04,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 23:07:04,605 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:07:04,773 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 23:07:04,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:07:04,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 368 states and 452 transitions. [2021-11-13 23:07:04,790 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 452 transitions. [2021-11-13 23:07:04,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-13 23:07:04,791 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:07:04,791 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:07:05,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:07:05,175 INFO L263 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 23:07:05,177 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:07:05,368 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-13 23:07:05,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:07:05,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 370 states and 460 transitions. [2021-11-13 23:07:05,513 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 460 transitions. [2021-11-13 23:07:05,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-13 23:07:05,514 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:07:05,514 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:07:05,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:07:05,647 INFO L263 TraceCheckSpWp]: Trace formula consists of 447 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 23:07:05,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:07:05,861 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-13 23:07:07,693 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-13 23:07:07,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:07:07,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 371 states and 462 transitions. [2021-11-13 23:07:07,764 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 462 transitions. [2021-11-13 23:07:07,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-13 23:07:07,766 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:07:07,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:07:08,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:07:08,600 INFO L263 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-13 23:07:08,603 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:07:08,843 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-13 23:07:08,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:07:08,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 371 states and 462 transitions. [2021-11-13 23:07:08,961 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 462 transitions. [2021-11-13 23:07:08,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-13 23:07:08,962 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:07:08,963 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:07:09,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:07:09,590 INFO L263 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-13 23:07:09,592 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:07:09,818 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-13 23:07:09,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:07:09,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 371 states and 462 transitions. [2021-11-13 23:07:09,993 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 462 transitions. [2021-11-13 23:07:09,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-13 23:07:09,995 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:07:09,995 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:07:10,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:07:10,528 INFO L263 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 23:07:10,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:07:10,671 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-13 23:07:10,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:07:10,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 371 states and 462 transitions. [2021-11-13 23:07:10,711 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 462 transitions. [2021-11-13 23:07:10,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-13 23:07:10,712 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:07:10,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:07:11,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:07:11,363 INFO L263 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-13 23:07:11,366 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:07:11,590 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-13 23:07:11,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:07:11,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 371 states and 462 transitions. [2021-11-13 23:07:11,625 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 462 transitions. [2021-11-13 23:07:11,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-13 23:07:11,626 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:07:11,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:07:12,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:07:12,363 INFO L263 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-13 23:07:12,365 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:07:12,533 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 20 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-13 23:07:12,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:07:12,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 373 states and 466 transitions. [2021-11-13 23:07:12,666 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 466 transitions. [2021-11-13 23:07:12,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-13 23:07:12,667 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:07:12,668 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:07:12,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:07:12,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-13 23:07:12,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:07:12,961 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 23:07:12,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:07:12,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 373 states and 464 transitions. [2021-11-13 23:07:12,971 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 464 transitions. [2021-11-13 23:07:12,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-13 23:07:12,972 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:07:12,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:07:13,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:07:13,125 INFO L263 TraceCheckSpWp]: Trace formula consists of 475 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 23:07:13,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:07:13,524 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-11-13 23:07:14,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:07:14,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 374 states and 466 transitions. [2021-11-13 23:07:14,418 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 466 transitions. [2021-11-13 23:07:14,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-13 23:07:14,420 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:07:14,420 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:07:14,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:07:14,562 INFO L263 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 23:07:14,564 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:07:14,791 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-13 23:07:16,367 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-13 23:07:16,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:07:16,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 377 states and 468 transitions. [2021-11-13 23:07:16,798 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 468 transitions. [2021-11-13 23:07:16,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-13 23:07:16,799 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:07:16,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:07:26,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2021-11-13 23:07:27,030 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:487) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-13 23:07:27,034 INFO L158 Benchmark]: Toolchain (without parser) took 38206.13ms. Allocated memory was 98.6MB in the beginning and 276.8MB in the end (delta: 178.3MB). Free memory was 59.2MB in the beginning and 223.6MB in the end (delta: -164.5MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. [2021-11-13 23:07:27,035 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 98.6MB. Free memory is still 77.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 23:07:27,036 INFO L158 Benchmark]: CACSL2BoogieTranslator took 854.73ms. Allocated memory is still 98.6MB. Free memory was 59.0MB in the beginning and 50.3MB in the end (delta: 8.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-13 23:07:27,036 INFO L158 Benchmark]: Boogie Procedure Inliner took 168.85ms. Allocated memory is still 98.6MB. Free memory was 50.3MB in the beginning and 43.2MB in the end (delta: 7.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-13 23:07:27,037 INFO L158 Benchmark]: Boogie Preprocessor took 219.74ms. Allocated memory was 98.6MB in the beginning and 144.7MB in the end (delta: 46.1MB). Free memory was 43.2MB in the beginning and 116.2MB in the end (delta: -73.0MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. [2021-11-13 23:07:27,038 INFO L158 Benchmark]: RCFGBuilder took 2459.77ms. Allocated memory is still 144.7MB. Free memory was 116.2MB in the beginning and 68.7MB in the end (delta: 47.5MB). Peak memory consumption was 63.1MB. Max. memory is 16.1GB. [2021-11-13 23:07:27,038 INFO L158 Benchmark]: CodeCheck took 34493.82ms. Allocated memory was 144.7MB in the beginning and 276.8MB in the end (delta: 132.1MB). Free memory was 68.7MB in the beginning and 223.6MB in the end (delta: -155.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 23:07:27,042 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:487) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 98.6MB. Free memory is still 77.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 854.73ms. Allocated memory is still 98.6MB. Free memory was 59.0MB in the beginning and 50.3MB in the end (delta: 8.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 168.85ms. Allocated memory is still 98.6MB. Free memory was 50.3MB in the beginning and 43.2MB in the end (delta: 7.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 219.74ms. Allocated memory was 98.6MB in the beginning and 144.7MB in the end (delta: 46.1MB). Free memory was 43.2MB in the beginning and 116.2MB in the end (delta: -73.0MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. * RCFGBuilder took 2459.77ms. Allocated memory is still 144.7MB. Free memory was 116.2MB in the beginning and 68.7MB in the end (delta: 47.5MB). Peak memory consumption was 63.1MB. Max. memory is 16.1GB. * CodeCheck took 34493.82ms. Allocated memory was 144.7MB in the beginning and 276.8MB in the end (delta: 132.1MB). Free memory was 68.7MB in the beginning and 223.6MB in the end (delta: -155.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-13 23:07:27,112 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02b626a8-3e9e-4db8-9d80-4d3fc00b05ba/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02b626a8-3e9e-4db8-9d80-4d3fc00b05ba/bin/ukojak-2xVlg8857e/config using search string *Overflow*32bit*_Bitvector*.epf No suitable settings file found using Overflow*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown