./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test1-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e34d84-bc7e-4163-a5d5-0f932500c5d8/bin/ukojak-vF6T2TMglN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e34d84-bc7e-4163-a5d5-0f932500c5d8/bin/ukojak-vF6T2TMglN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e34d84-bc7e-4163-a5d5-0f932500c5d8/bin/ukojak-vF6T2TMglN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e34d84-bc7e-4163-a5d5-0f932500c5d8/bin/ukojak-vF6T2TMglN/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test1-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e34d84-bc7e-4163-a5d5-0f932500c5d8/bin/ukojak-vF6T2TMglN/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e34d84-bc7e-4163-a5d5-0f932500c5d8/bin/ukojak-vF6T2TMglN --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 a2f43006c9a8080eee594d7c3e874c7ea5bb3a923f26b30531e1d07ef5cff7d9 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 06:01:26,422 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 06:01:26,424 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 06:01:26,459 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 06:01:26,460 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 06:01:26,461 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 06:01:26,463 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 06:01:26,465 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 06:01:26,467 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 06:01:26,469 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 06:01:26,470 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 06:01:26,471 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 06:01:26,472 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 06:01:26,473 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 06:01:26,474 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 06:01:26,476 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 06:01:26,477 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 06:01:26,478 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 06:01:26,481 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 06:01:26,483 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 06:01:26,485 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 06:01:26,487 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 06:01:26,488 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 06:01:26,489 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 06:01:26,493 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 06:01:26,494 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 06:01:26,494 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 06:01:26,495 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 06:01:26,496 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 06:01:26,497 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 06:01:26,497 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 06:01:26,498 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 06:01:26,499 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 06:01:26,500 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 06:01:26,501 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 06:01:26,501 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 06:01:26,502 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 06:01:26,503 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 06:01:26,503 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 06:01:26,504 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 06:01:26,505 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 06:01:26,506 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e34d84-bc7e-4163-a5d5-0f932500c5d8/bin/ukojak-vF6T2TMglN/config/svcomp-Overflow-32bit-Kojak_Default.epf [2021-11-21 06:01:26,542 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 06:01:26,548 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 06:01:26,550 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 06:01:26,551 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-21 06:01:26,551 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 06:01:26,552 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 06:01:26,552 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 06:01:26,552 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 06:01:26,552 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 06:01:26,553 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 06:01:26,554 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 06:01:26,554 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 06:01:26,554 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 06:01:26,554 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 06:01:26,554 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 06:01:26,555 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-21 06:01:26,555 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 06:01:26,555 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 06:01:26,555 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 06:01:26,556 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 06:01:26,556 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-21 06:01:26,556 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-21 06:01:26,556 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 06:01:26,556 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 06:01:26,557 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 06:01:26,557 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 06:01:26,557 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 06:01:26,557 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-21 06:01:26,558 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 06:01:26,559 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 06:01:26,559 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_a3e34d84-bc7e-4163-a5d5-0f932500c5d8/bin/ukojak-vF6T2TMglN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e34d84-bc7e-4163-a5d5-0f932500c5d8/bin/ukojak-vF6T2TMglN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a2f43006c9a8080eee594d7c3e874c7ea5bb3a923f26b30531e1d07ef5cff7d9 [2021-11-21 06:01:26,795 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 06:01:26,819 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 06:01:26,823 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 06:01:26,824 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 06:01:26,825 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 06:01:26,827 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e34d84-bc7e-4163-a5d5-0f932500c5d8/bin/ukojak-vF6T2TMglN/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test1-1.i [2021-11-21 06:01:26,929 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e34d84-bc7e-4163-a5d5-0f932500c5d8/bin/ukojak-vF6T2TMglN/data/67dff04d9/195894a1d5c749369da9ca3db7b7f6cb/FLAG1ae89e0e5 [2021-11-21 06:01:27,614 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 06:01:27,614 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e34d84-bc7e-4163-a5d5-0f932500c5d8/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test1-1.i [2021-11-21 06:01:27,631 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e34d84-bc7e-4163-a5d5-0f932500c5d8/bin/ukojak-vF6T2TMglN/data/67dff04d9/195894a1d5c749369da9ca3db7b7f6cb/FLAG1ae89e0e5 [2021-11-21 06:01:27,846 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e34d84-bc7e-4163-a5d5-0f932500c5d8/bin/ukojak-vF6T2TMglN/data/67dff04d9/195894a1d5c749369da9ca3db7b7f6cb [2021-11-21 06:01:27,849 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 06:01:27,852 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 06:01:27,855 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 06:01:27,855 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 06:01:27,858 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 06:01:27,859 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:01:27" (1/1) ... [2021-11-21 06:01:27,861 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f703c06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:01:27, skipping insertion in model container [2021-11-21 06:01:27,861 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:01:27" (1/1) ... [2021-11-21 06:01:27,868 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 06:01:27,942 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 06:01:28,388 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e34d84-bc7e-4163-a5d5-0f932500c5d8/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test1-1.i[33021,33034] [2021-11-21 06:01:28,495 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 06:01:28,504 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 06:01:28,541 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e34d84-bc7e-4163-a5d5-0f932500c5d8/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test1-1.i[33021,33034] [2021-11-21 06:01:28,616 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 06:01:28,669 INFO L208 MainTranslator]: Completed translation [2021-11-21 06:01:28,670 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:01:28 WrapperNode [2021-11-21 06:01:28,671 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 06:01:28,673 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 06:01:28,674 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 06:01:28,674 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 06:01:28,682 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:01:28" (1/1) ... [2021-11-21 06:01:28,730 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:01:28" (1/1) ... [2021-11-21 06:01:28,793 INFO L137 Inliner]: procedures = 177, calls = 186, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 627 [2021-11-21 06:01:28,794 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 06:01:28,794 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 06:01:28,794 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 06:01:28,795 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 06:01:28,803 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:01:28" (1/1) ... [2021-11-21 06:01:28,804 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:01:28" (1/1) ... [2021-11-21 06:01:28,812 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:01:28" (1/1) ... [2021-11-21 06:01:28,812 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:01:28" (1/1) ... [2021-11-21 06:01:28,850 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:01:28" (1/1) ... [2021-11-21 06:01:28,872 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:01:28" (1/1) ... [2021-11-21 06:01:28,879 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:01:28" (1/1) ... [2021-11-21 06:01:28,897 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 06:01:28,898 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 06:01:28,898 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 06:01:28,898 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 06:01:28,905 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:01:28" (1/1) ... [2021-11-21 06:01:28,913 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 06:01:28,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e34d84-bc7e-4163-a5d5-0f932500c5d8/bin/ukojak-vF6T2TMglN/z3 [2021-11-21 06:01:28,955 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e34d84-bc7e-4163-a5d5-0f932500c5d8/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-21 06:01:28,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e34d84-bc7e-4163-a5d5-0f932500c5d8/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-21 06:01:29,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 06:01:29,002 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-21 06:01:29,002 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-21 06:01:29,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 06:01:29,003 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-21 06:01:29,003 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-21 06:01:29,003 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 06:01:29,003 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 06:01:29,003 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 06:01:29,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 06:01:29,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 06:01:29,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 06:01:29,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 06:01:29,005 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 06:01:29,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 06:01:29,189 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 06:01:29,203 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 06:01:30,098 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 06:01:30,543 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 06:01:30,543 INFO L301 CfgBuilder]: Removed 31 assume(true) statements. [2021-11-21 06:01:30,547 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:01:30 BoogieIcfgContainer [2021-11-21 06:01:30,547 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 06:01:30,548 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-21 06:01:30,549 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-21 06:01:30,558 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-21 06:01:30,558 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:01:30" (1/1) ... [2021-11-21 06:01:30,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 06:01:30,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:01:30,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 89 states and 147 transitions. [2021-11-21 06:01:30,663 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 147 transitions. [2021-11-21 06:01:30,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-21 06:01:30,664 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:01:30,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:01:30,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:01:30,821 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 06:01:30,831 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:01:30,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:01:30,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:01:30,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 91 states and 150 transitions. [2021-11-21 06:01:30,901 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 150 transitions. [2021-11-21 06:01:30,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-21 06:01:30,901 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:01:30,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:01:30,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:01:30,954 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 06:01:30,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:01:30,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:01:30,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:01:30,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 90 states and 149 transitions. [2021-11-21 06:01:30,974 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 149 transitions. [2021-11-21 06:01:30,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-21 06:01:30,974 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:01:30,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:01:31,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:01:31,056 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 06:01:31,057 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:01:31,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:01:31,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:01:31,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 90 states and 147 transitions. [2021-11-21 06:01:31,092 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 147 transitions. [2021-11-21 06:01:31,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-21 06:01:31,093 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:01:31,093 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:01:31,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:01:31,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 06:01:31,142 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:01:31,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:01:31,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:01:31,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 90 states and 143 transitions. [2021-11-21 06:01:31,189 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 143 transitions. [2021-11-21 06:01:31,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-21 06:01:31,194 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:01:31,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:01:31,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:01:31,248 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 06:01:31,250 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:01:31,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:01:31,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:01:31,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 90 states and 137 transitions. [2021-11-21 06:01:31,305 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 137 transitions. [2021-11-21 06:01:31,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-21 06:01:31,306 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:01:31,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:01:31,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:01:31,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 06:01:31,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:01:31,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:01:31,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:01:31,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 90 states and 131 transitions. [2021-11-21 06:01:31,492 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 131 transitions. [2021-11-21 06:01:31,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-21 06:01:31,494 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:01:31,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:01:31,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:01:31,579 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 06:01:31,582 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:01:31,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:01:31,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:01:31,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 114 states and 161 transitions. [2021-11-21 06:01:31,914 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 161 transitions. [2021-11-21 06:01:31,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-21 06:01:31,916 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:01:31,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:01:31,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:01:31,974 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 06:01:31,976 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:01:32,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:01:32,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:01:32,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 114 states and 159 transitions. [2021-11-21 06:01:32,032 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 159 transitions. [2021-11-21 06:01:32,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-21 06:01:32,034 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:01:32,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:01:32,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:01:32,111 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 06:01:32,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:01:32,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:01:32,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:01:32,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 139 states and 190 transitions. [2021-11-21 06:01:32,537 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 190 transitions. [2021-11-21 06:01:32,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-21 06:01:32,539 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:01:32,540 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:01:32,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:01:32,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 06:01:32,634 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:01:32,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:01:32,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:01:32,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 139 states and 188 transitions. [2021-11-21 06:01:32,687 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 188 transitions. [2021-11-21 06:01:32,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 06:01:32,688 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:01:32,689 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:01:32,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:01:32,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 06:01:32,757 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:01:32,805 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:01:32,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:01:32,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 139 states and 186 transitions. [2021-11-21 06:01:32,813 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 186 transitions. [2021-11-21 06:01:32,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 06:01:32,814 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:01:32,815 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:01:32,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:01:32,887 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 06:01:32,889 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:01:33,024 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:01:33,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:01:33,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 152 states and 201 transitions. [2021-11-21 06:01:33,141 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 201 transitions. [2021-11-21 06:01:33,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-21 06:01:33,142 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:01:33,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:01:33,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:01:33,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 06:01:33,223 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:01:33,305 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:01:33,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:01:33,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 155 states and 203 transitions. [2021-11-21 06:01:33,330 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 203 transitions. [2021-11-21 06:01:33,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-21 06:01:33,330 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:01:33,331 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:01:33,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:01:33,403 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 06:01:33,404 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:01:33,507 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:01:33,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:01:33,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 158 states and 205 transitions. [2021-11-21 06:01:33,534 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 205 transitions. [2021-11-21 06:01:33,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-21 06:01:33,535 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:01:33,535 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:01:33,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:01:33,612 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 06:01:33,614 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:01:33,759 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:01:33,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:01:33,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 161 states and 207 transitions. [2021-11-21 06:01:33,774 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 207 transitions. [2021-11-21 06:01:33,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-21 06:01:33,775 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:01:33,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:01:33,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:01:33,849 INFO L263 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 06:01:33,851 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:01:33,958 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 06:01:33,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:01:33,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 170 states and 217 transitions. [2021-11-21 06:01:33,989 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 217 transitions. [2021-11-21 06:01:33,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-21 06:01:33,991 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:01:33,991 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:01:34,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:01:34,069 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 06:01:34,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:01:34,181 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 06:01:34,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:01:34,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 179 states and 227 transitions. [2021-11-21 06:01:34,234 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 227 transitions. [2021-11-21 06:01:34,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-21 06:01:34,235 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:01:34,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:01:34,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:01:34,616 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 06:01:34,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:01:34,735 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:01:34,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:01:34,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 181 states and 231 transitions. [2021-11-21 06:01:34,836 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 231 transitions. [2021-11-21 06:01:34,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-21 06:01:34,836 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:01:34,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:01:35,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:01:35,105 INFO L263 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-21 06:01:35,125 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:01:35,284 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:01:35,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:01:35,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 183 states and 234 transitions. [2021-11-21 06:01:35,506 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 234 transitions. [2021-11-21 06:01:35,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-21 06:01:35,507 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:01:35,507 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:01:38,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:01:38,049 INFO L263 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-21 06:01:38,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:01:38,259 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 06:01:38,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:01:38,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 185 states and 239 transitions. [2021-11-21 06:01:38,537 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 239 transitions. [2021-11-21 06:01:38,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-21 06:01:38,537 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:01:38,538 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:01:39,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:01:39,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-21 06:01:39,162 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:01:39,368 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 21 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-21 06:01:39,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:01:39,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 185 states and 239 transitions. [2021-11-21 06:01:39,543 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 239 transitions. [2021-11-21 06:01:39,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-21 06:01:39,543 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:01:39,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:01:39,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:01:39,757 INFO L263 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-21 06:01:39,758 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:01:40,082 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 9 proven. 21 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 06:01:40,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:01:40,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 185 states and 239 transitions. [2021-11-21 06:01:40,439 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 239 transitions. [2021-11-21 06:01:40,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-21 06:01:40,440 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:01:40,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:01:40,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:01:40,830 INFO L263 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-21 06:01:40,832 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:01:40,938 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 20 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-21 06:01:41,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:01:41,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 187 states and 245 transitions. [2021-11-21 06:01:41,157 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 245 transitions. [2021-11-21 06:01:41,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-21 06:01:41,157 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:01:41,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:01:41,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:01:41,357 INFO L263 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-21 06:01:41,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:01:41,677 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 29 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-21 06:01:42,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:01:42,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 186 states and 245 transitions. [2021-11-21 06:01:42,692 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 245 transitions. [2021-11-21 06:01:42,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-21 06:01:42,695 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:01:42,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:01:43,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:01:43,033 INFO L263 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-21 06:01:43,044 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:01:43,431 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 40 proven. 15 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-21 06:01:44,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:01:44,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 188 states and 248 transitions. [2021-11-21 06:01:44,075 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 248 transitions. [2021-11-21 06:01:44,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-21 06:01:44,075 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:01:44,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:01:44,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:01:44,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-21 06:01:44,623 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:01:44,942 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 53 proven. 21 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-21 06:01:45,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:01:45,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 190 states and 257 transitions. [2021-11-21 06:01:45,646 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 257 transitions. [2021-11-21 06:01:45,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-21 06:01:45,647 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:01:45,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:01:46,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:01:46,202 INFO L263 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-21 06:01:46,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:01:46,641 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 11 proven. 105 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-21 06:01:47,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:01:47,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 190 states and 257 transitions. [2021-11-21 06:01:47,063 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 257 transitions. [2021-11-21 06:01:47,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-21 06:01:47,064 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:01:47,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:01:47,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:01:47,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-21 06:01:47,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:01:47,886 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 68 proven. 28 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-21 06:01:49,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:01:49,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 192 states and 257 transitions. [2021-11-21 06:01:49,107 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 257 transitions. [2021-11-21 06:01:49,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-21 06:01:49,108 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:01:49,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:01:49,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:01:49,806 INFO L263 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 42 conjunts are in the unsatisfiable core [2021-11-21 06:01:49,808 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:01:50,386 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 85 proven. 36 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-21 06:01:51,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:01:51,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 194 states and 264 transitions. [2021-11-21 06:01:51,638 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 264 transitions. [2021-11-21 06:01:51,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-21 06:01:51,639 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:01:51,639 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:01:53,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:01:53,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-21 06:01:53,327 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:01:54,213 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 104 proven. 45 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-21 06:01:55,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:01:55,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 196 states and 276 transitions. [2021-11-21 06:01:55,793 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 276 transitions. [2021-11-21 06:01:55,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-21 06:01:55,794 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:01:55,794 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:01:56,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:01:56,592 INFO L263 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 47 conjunts are in the unsatisfiable core [2021-11-21 06:01:56,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:01:57,128 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 125 proven. 55 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-21 06:01:58,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:01:58,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 198 states and 289 transitions. [2021-11-21 06:01:58,450 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 289 transitions. [2021-11-21 06:01:58,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-21 06:01:58,451 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:01:58,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:01:58,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:01:58,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 54 conjunts are in the unsatisfiable core [2021-11-21 06:01:58,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:02:00,246 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 21 proven. 253 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-21 06:02:01,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:02:01,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 198 states and 289 transitions. [2021-11-21 06:02:01,849 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 289 transitions. [2021-11-21 06:02:01,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-21 06:02:01,850 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:02:01,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:02:05,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:02:05,618 INFO L263 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-21 06:02:05,619 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:02:06,335 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 148 proven. 66 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2021-11-21 06:02:07,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:02:07,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 200 states and 303 transitions. [2021-11-21 06:02:07,648 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 303 transitions. [2021-11-21 06:02:07,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-21 06:02:07,648 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:02:07,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:02:08,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:02:08,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 54 conjunts are in the unsatisfiable core [2021-11-21 06:02:08,509 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:02:09,468 INFO L134 CoverageAnalysis]: Checked inductivity of 329 backedges. 29 proven. 287 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-21 06:02:10,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:02:10,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 200 states and 303 transitions. [2021-11-21 06:02:10,600 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 303 transitions. [2021-11-21 06:02:10,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-21 06:02:10,601 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:02:10,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:02:11,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:02:11,425 INFO L263 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-21 06:02:11,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:02:11,606 INFO L134 CoverageAnalysis]: Checked inductivity of 329 backedges. 173 proven. 78 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2021-11-21 06:02:12,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:02:12,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 202 states and 306 transitions. [2021-11-21 06:02:12,588 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 306 transitions. [2021-11-21 06:02:12,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-21 06:02:12,589 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:02:12,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:02:14,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:02:14,011 INFO L263 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 56 conjunts are in the unsatisfiable core [2021-11-21 06:02:14,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:02:15,083 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 200 proven. 91 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2021-11-21 06:02:18,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:02:18,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 204 states and 310 transitions. [2021-11-21 06:02:18,056 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 310 transitions. [2021-11-21 06:02:18,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-21 06:02:18,057 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:02:18,057 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:02:19,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:02:19,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 426 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-21 06:02:19,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:02:20,556 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 228 proven. 105 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2021-11-21 06:02:22,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:02:22,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 204 states and 310 transitions. [2021-11-21 06:02:22,379 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 310 transitions. [2021-11-21 06:02:22,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-21 06:02:22,380 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:02:22,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:02:23,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:02:23,591 INFO L263 TraceCheckSpWp]: Trace formula consists of 426 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-21 06:02:23,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:02:25,038 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 228 proven. 105 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2021-11-21 06:02:27,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:02:27,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 204 states and 310 transitions. [2021-11-21 06:02:27,315 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 310 transitions. [2021-11-21 06:02:27,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-21 06:02:27,316 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:02:27,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:02:37,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2021-11-21 06:02:37,458 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) [2021-11-21 06:02:37,462 INFO L158 Benchmark]: Toolchain (without parser) took 69608.79ms. Allocated memory was 100.7MB in the beginning and 230.7MB in the end (delta: 130.0MB). Free memory was 65.1MB in the beginning and 169.4MB in the end (delta: -104.3MB). Peak memory consumption was 27.0MB. Max. memory is 16.1GB. [2021-11-21 06:02:37,463 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 100.7MB. Free memory is still 58.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 06:02:37,463 INFO L158 Benchmark]: CACSL2BoogieTranslator took 817.08ms. Allocated memory was 100.7MB in the beginning and 130.0MB in the end (delta: 29.4MB). Free memory was 64.9MB in the beginning and 86.3MB in the end (delta: -21.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-21 06:02:37,464 INFO L158 Benchmark]: Boogie Procedure Inliner took 120.29ms. Allocated memory is still 130.0MB. Free memory was 85.8MB in the beginning and 81.0MB in the end (delta: 4.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-21 06:02:37,465 INFO L158 Benchmark]: Boogie Preprocessor took 102.45ms. Allocated memory is still 130.0MB. Free memory was 81.0MB in the beginning and 76.3MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-21 06:02:37,465 INFO L158 Benchmark]: RCFGBuilder took 1650.14ms. Allocated memory is still 130.0MB. Free memory was 76.3MB in the beginning and 88.1MB in the end (delta: -11.9MB). Peak memory consumption was 42.8MB. Max. memory is 16.1GB. [2021-11-21 06:02:37,466 INFO L158 Benchmark]: CodeCheck took 66912.15ms. Allocated memory was 130.0MB in the beginning and 230.7MB in the end (delta: 100.7MB). Free memory was 88.1MB in the beginning and 169.4MB in the end (delta: -81.3MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. [2021-11-21 06:02:37,469 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 0.15ms. Allocated memory is still 100.7MB. Free memory is still 58.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 817.08ms. Allocated memory was 100.7MB in the beginning and 130.0MB in the end (delta: 29.4MB). Free memory was 64.9MB in the beginning and 86.3MB in the end (delta: -21.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 120.29ms. Allocated memory is still 130.0MB. Free memory was 85.8MB in the beginning and 81.0MB in the end (delta: 4.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 102.45ms. Allocated memory is still 130.0MB. Free memory was 81.0MB in the beginning and 76.3MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1650.14ms. Allocated memory is still 130.0MB. Free memory was 76.3MB in the beginning and 88.1MB in the end (delta: -11.9MB). Peak memory consumption was 42.8MB. Max. memory is 16.1GB. * CodeCheck took 66912.15ms. Allocated memory was 130.0MB in the beginning and 230.7MB in the end (delta: 100.7MB). Free memory was 88.1MB in the beginning and 169.4MB in the end (delta: -81.3MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-21 06:02:37,556 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3e34d84-bc7e-4163-a5d5-0f932500c5d8/bin/ukojak-vF6T2TMglN/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_a3e34d84-bc7e-4163-a5d5-0f932500c5d8/bin/ukojak-vF6T2TMglN/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