./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-acceleration/simple_1-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_138909be-6353-4d58-96b3-352333ee8a65/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_138909be-6353-4d58-96b3-352333ee8a65/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_138909be-6353-4d58-96b3-352333ee8a65/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_138909be-6353-4d58-96b3-352333ee8a65/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-acceleration/simple_1-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_138909be-6353-4d58-96b3-352333ee8a65/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_138909be-6353-4d58-96b3-352333ee8a65/bin/ukojak-92XMlrwhuB --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 311ca7a26a816b19bf2f80b95fa3e10e4e95b99dff1e77c10bd7566050baa8ec --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:42:49,263 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:42:49,265 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:42:49,317 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:42:49,317 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:42:49,321 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:42:49,324 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:42:49,327 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:42:49,332 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:42:49,337 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:42:49,339 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:42:49,341 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:42:49,342 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:42:49,347 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:42:49,350 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:42:49,351 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:42:49,354 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:42:49,355 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:42:49,357 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:42:49,364 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:42:49,366 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:42:49,368 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:42:49,371 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:42:49,372 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:42:49,382 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:42:49,383 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:42:49,384 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:42:49,385 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:42:49,386 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:42:49,387 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:42:49,388 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:42:49,389 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:42:49,392 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:42:49,394 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:42:49,395 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:42:49,395 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:42:49,395 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:42:49,396 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:42:49,396 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:42:49,397 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:42:49,398 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:42:49,398 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_138909be-6353-4d58-96b3-352333ee8a65/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:42:49,428 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:42:49,432 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:42:49,433 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:42:49,433 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:42:49,434 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:42:49,434 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:42:49,435 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:42:49,435 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:42:49,435 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:42:49,435 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:42:49,436 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:42:49,437 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:42:49,437 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:42:49,437 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:42:49,437 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:42:49,437 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:42:49,438 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:42:49,438 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:42:49,438 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:42:49,438 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:42:49,439 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:42:49,439 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:42:49,439 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:42:49,439 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:42:49,440 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:42:49,440 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:42:49,441 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:42:49,442 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:42:49,442 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_138909be-6353-4d58-96b3-352333ee8a65/bin/ukojak-92XMlrwhuB/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_138909be-6353-4d58-96b3-352333ee8a65/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 311ca7a26a816b19bf2f80b95fa3e10e4e95b99dff1e77c10bd7566050baa8ec [2022-10-17 16:42:49,747 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:42:49,777 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:42:49,781 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:42:49,782 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:42:49,784 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:42:49,785 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_138909be-6353-4d58-96b3-352333ee8a65/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/loop-acceleration/simple_1-1.c [2022-10-17 16:42:49,882 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_138909be-6353-4d58-96b3-352333ee8a65/bin/ukojak-92XMlrwhuB/data/3eac0a3ad/cf09e86638e44621b6777a3bd37104d5/FLAG010e9e5fc [2022-10-17 16:42:50,299 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:42:50,299 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_138909be-6353-4d58-96b3-352333ee8a65/sv-benchmarks/c/loop-acceleration/simple_1-1.c [2022-10-17 16:42:50,304 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_138909be-6353-4d58-96b3-352333ee8a65/bin/ukojak-92XMlrwhuB/data/3eac0a3ad/cf09e86638e44621b6777a3bd37104d5/FLAG010e9e5fc [2022-10-17 16:42:50,702 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_138909be-6353-4d58-96b3-352333ee8a65/bin/ukojak-92XMlrwhuB/data/3eac0a3ad/cf09e86638e44621b6777a3bd37104d5 [2022-10-17 16:42:50,705 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:42:50,707 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:42:50,711 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:42:50,712 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:42:50,715 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:42:50,716 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:42:50" (1/1) ... [2022-10-17 16:42:50,717 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5abb7363 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:50, skipping insertion in model container [2022-10-17 16:42:50,717 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:42:50" (1/1) ... [2022-10-17 16:42:50,724 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:42:50,736 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:42:50,923 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_138909be-6353-4d58-96b3-352333ee8a65/sv-benchmarks/c/loop-acceleration/simple_1-1.c[322,335] [2022-10-17 16:42:50,933 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:42:50,943 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:42:50,955 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_138909be-6353-4d58-96b3-352333ee8a65/sv-benchmarks/c/loop-acceleration/simple_1-1.c[322,335] [2022-10-17 16:42:50,957 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:42:50,970 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:42:50,971 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:50 WrapperNode [2022-10-17 16:42:50,971 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:42:50,973 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:42:50,973 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:42:50,973 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:42:50,981 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:50" (1/1) ... [2022-10-17 16:42:50,988 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:50" (1/1) ... [2022-10-17 16:42:51,006 INFO L138 Inliner]: procedures = 12, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 23 [2022-10-17 16:42:51,006 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:42:51,007 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:42:51,007 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:42:51,008 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:42:51,017 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:50" (1/1) ... [2022-10-17 16:42:51,018 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:50" (1/1) ... [2022-10-17 16:42:51,019 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:50" (1/1) ... [2022-10-17 16:42:51,019 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:50" (1/1) ... [2022-10-17 16:42:51,022 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:50" (1/1) ... [2022-10-17 16:42:51,026 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:50" (1/1) ... [2022-10-17 16:42:51,027 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:50" (1/1) ... [2022-10-17 16:42:51,028 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:50" (1/1) ... [2022-10-17 16:42:51,029 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:42:51,030 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:42:51,039 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:42:51,039 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:42:51,040 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:50" (1/1) ... [2022-10-17 16:42:51,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:42:51,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_138909be-6353-4d58-96b3-352333ee8a65/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:42:51,076 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_138909be-6353-4d58-96b3-352333ee8a65/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:42:51,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_138909be-6353-4d58-96b3-352333ee8a65/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:42:51,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:42:51,129 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:42:51,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:42:51,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:42:51,193 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:42:51,195 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:42:51,298 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:42:51,320 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:42:51,321 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:42:51,323 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:42:51 BoogieIcfgContainer [2022-10-17 16:42:51,323 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:42:51,324 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:42:51,324 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:42:51,338 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:42:51,342 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:42:51" (1/1) ... [2022-10-17 16:42:51,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:42:51,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:51,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2022-10-17 16:42:51,408 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2022-10-17 16:42:51,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:42:51,411 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:51,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:51,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:51,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:42:51,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:51,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2022-10-17 16:42:51,635 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2022-10-17 16:42:51,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:42:51,636 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:51,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:51,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:51,801 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:42:51,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:51,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2022-10-17 16:42:51,924 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2022-10-17 16:42:51,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:42:51,925 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:51,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:51,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:52,146 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:42:52,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:52,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2022-10-17 16:42:52,390 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2022-10-17 16:42:52,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:42:52,390 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:52,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:52,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:52,603 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:42:52,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:52,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2022-10-17 16:42:52,768 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2022-10-17 16:42:52,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:42:52,769 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:52,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:52,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:52,975 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:42:53,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:53,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2022-10-17 16:42:53,162 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2022-10-17 16:42:53,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:42:53,163 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:53,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:53,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:53,341 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:42:53,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:53,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2022-10-17 16:42:53,507 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2022-10-17 16:42:53,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:42:53,507 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:53,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:53,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:53,688 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:42:53,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:53,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2022-10-17 16:42:53,875 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2022-10-17 16:42:53,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:42:53,876 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:53,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:53,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:54,043 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:42:54,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:54,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2022-10-17 16:42:54,246 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2022-10-17 16:42:54,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:42:54,246 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:54,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:54,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:54,405 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:42:54,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:54,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2022-10-17 16:42:54,608 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2022-10-17 16:42:54,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:42:54,609 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:54,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:54,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:54,843 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:42:55,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:55,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2022-10-17 16:42:55,065 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2022-10-17 16:42:55,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:42:55,065 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:55,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:55,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:55,286 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:42:55,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:55,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2022-10-17 16:42:55,536 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2022-10-17 16:42:55,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:42:55,537 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:55,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:55,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:55,744 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:42:55,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:55,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2022-10-17 16:42:55,993 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2022-10-17 16:42:55,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:42:55,993 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:55,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:56,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:56,269 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:42:56,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:56,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 20 transitions. [2022-10-17 16:42:56,549 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 20 transitions. [2022-10-17 16:42:56,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:42:56,549 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:56,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:56,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:56,812 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:42:57,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:57,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2022-10-17 16:42:57,094 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2022-10-17 16:42:57,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:42:57,094 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:57,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:57,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:57,377 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:42:57,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:57,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 22 transitions. [2022-10-17 16:42:57,654 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 22 transitions. [2022-10-17 16:42:57,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 16:42:57,655 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:57,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:57,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:57,902 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:42:58,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:58,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 23 transitions. [2022-10-17 16:42:58,226 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 23 transitions. [2022-10-17 16:42:58,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:42:58,227 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:58,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:58,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:58,490 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:42:58,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:58,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 24 transitions. [2022-10-17 16:42:58,815 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 24 transitions. [2022-10-17 16:42:58,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 16:42:58,815 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:58,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:58,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:59,133 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:42:59,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:59,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 25 transitions. [2022-10-17 16:42:59,470 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 25 transitions. [2022-10-17 16:42:59,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:42:59,470 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:59,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:59,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:59,768 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:43:00,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:00,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 26 transitions. [2022-10-17 16:43:00,106 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 26 transitions. [2022-10-17 16:43:00,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:43:00,106 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:00,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:00,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:00,414 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:43:00,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:00,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 27 transitions. [2022-10-17 16:43:00,752 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 27 transitions. [2022-10-17 16:43:00,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 16:43:00,752 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:00,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:00,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:01,091 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:43:01,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:01,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 28 transitions. [2022-10-17 16:43:01,450 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 28 transitions. [2022-10-17 16:43:01,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 16:43:01,451 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:01,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:01,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:01,774 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:43:02,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:02,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 29 transitions. [2022-10-17 16:43:02,158 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 29 transitions. [2022-10-17 16:43:02,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-17 16:43:02,159 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:02,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:02,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:02,510 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:43:02,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:02,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 30 transitions. [2022-10-17 16:43:02,899 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 30 transitions. [2022-10-17 16:43:02,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-17 16:43:02,900 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:02,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:02,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:03,328 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:43:03,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:03,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 31 transitions. [2022-10-17 16:43:03,710 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 31 transitions. [2022-10-17 16:43:03,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 16:43:03,710 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:03,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:03,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:04,101 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:43:04,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:04,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 32 transitions. [2022-10-17 16:43:04,509 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 32 transitions. [2022-10-17 16:43:04,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-10-17 16:43:04,510 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:04,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:04,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:04,902 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:43:05,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:05,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 33 transitions. [2022-10-17 16:43:05,338 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 33 transitions. [2022-10-17 16:43:05,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-17 16:43:05,338 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:05,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:05,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:05,736 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:43:06,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:06,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 34 transitions. [2022-10-17 16:43:06,202 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 34 transitions. [2022-10-17 16:43:06,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 16:43:06,202 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:06,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:06,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:06,630 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:43:07,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:07,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 35 transitions. [2022-10-17 16:43:07,089 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 35 transitions. [2022-10-17 16:43:07,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-17 16:43:07,089 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:07,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:07,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:07,615 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:43:08,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:08,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 36 transitions. [2022-10-17 16:43:08,103 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 36 transitions. [2022-10-17 16:43:08,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-10-17 16:43:08,103 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:08,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:08,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:08,583 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:43:09,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:09,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 37 transitions. [2022-10-17 16:43:09,064 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 37 transitions. [2022-10-17 16:43:09,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-17 16:43:09,064 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:09,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:09,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:09,537 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:43:10,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:10,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 38 transitions. [2022-10-17 16:43:10,046 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 38 transitions. [2022-10-17 16:43:10,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-10-17 16:43:10,046 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:10,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:10,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:10,532 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:43:11,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:11,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 39 transitions. [2022-10-17 16:43:11,032 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 39 transitions. [2022-10-17 16:43:11,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-10-17 16:43:11,032 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:11,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:11,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:11,504 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:43:12,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:12,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 40 transitions. [2022-10-17 16:43:12,034 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 40 transitions. [2022-10-17 16:43:12,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-17 16:43:12,035 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:12,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:12,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:12,637 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:43:13,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:13,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 41 transitions. [2022-10-17 16:43:13,062 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 41 transitions. [2022-10-17 16:43:13,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-17 16:43:13,062 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:13,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:13,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:13,572 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:43:14,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:14,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 42 transitions. [2022-10-17 16:43:14,102 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 42 transitions. [2022-10-17 16:43:14,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 16:43:14,103 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:14,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:14,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:14,670 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:43:15,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:15,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 43 transitions. [2022-10-17 16:43:15,194 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 43 transitions. [2022-10-17 16:43:15,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-17 16:43:15,194 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:15,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:15,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:15,727 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:43:16,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:16,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 44 transitions. [2022-10-17 16:43:16,227 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 44 transitions. [2022-10-17 16:43:16,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-17 16:43:16,228 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:16,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:16,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:16,758 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:43:17,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:17,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 45 transitions. [2022-10-17 16:43:17,336 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 45 transitions. [2022-10-17 16:43:17,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-10-17 16:43:17,336 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:17,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:17,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:17,931 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:43:18,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:18,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 46 transitions. [2022-10-17 16:43:18,426 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 46 transitions. [2022-10-17 16:43:18,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 16:43:18,427 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:18,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:18,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:19,047 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.