./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/uniq-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07b892e-b28a-4637-bc65-6281c420acdf/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07b892e-b28a-4637-bc65-6281c420acdf/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07b892e-b28a-4637-bc65-6281c420acdf/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07b892e-b28a-4637-bc65-6281c420acdf/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/uniq-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07b892e-b28a-4637-bc65-6281c420acdf/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07b892e-b28a-4637-bc65-6281c420acdf/bin/ukojak-verify-i0I2FZA1j2 --witnessprinter.witness.filename witness --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 64bit --witnessprinter.graph.data.programhash 12c779c027471bf15192285c26a96841dcf1579b21a71f6313a877ba4e2f7c7d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:28:18,691 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:28:18,773 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07b892e-b28a-4637-bc65-6281c420acdf/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-21 18:28:18,779 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:28:18,780 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:28:18,812 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:28:18,813 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:28:18,814 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:28:18,815 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:28:18,816 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:28:18,817 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:28:18,818 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:28:18,819 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:28:18,819 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:28:18,820 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:28:18,821 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:28:18,821 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:28:18,822 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:28:18,823 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:28:18,824 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:28:18,824 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:28:18,825 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:28:18,826 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:28:18,827 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:28:18,827 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:28:18,828 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:28:18,829 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:28:18,829 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:28:18,830 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:28:18,831 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:28:18,831 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:28:18,832 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:28:18,832 INFO L153 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_d07b892e-b28a-4637-bc65-6281c420acdf/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07b892e-b28a-4637-bc65-6281c420acdf/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 12c779c027471bf15192285c26a96841dcf1579b21a71f6313a877ba4e2f7c7d [2023-11-21 18:28:19,119 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:28:19,144 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:28:19,148 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:28:19,149 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:28:19,150 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:28:19,152 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07b892e-b28a-4637-bc65-6281c420acdf/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/busybox-1.22.0/uniq-1.i [2023-11-21 18:28:22,432 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:28:22,916 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:28:22,917 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07b892e-b28a-4637-bc65-6281c420acdf/sv-benchmarks/c/busybox-1.22.0/uniq-1.i [2023-11-21 18:28:22,958 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07b892e-b28a-4637-bc65-6281c420acdf/bin/ukojak-verify-i0I2FZA1j2/data/1223b6288/40ffbf4cec5245a29ffe909e1bd05b1b/FLAG7a0fe6538 [2023-11-21 18:28:22,977 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07b892e-b28a-4637-bc65-6281c420acdf/bin/ukojak-verify-i0I2FZA1j2/data/1223b6288/40ffbf4cec5245a29ffe909e1bd05b1b [2023-11-21 18:28:22,984 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:28:22,987 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:28:22,992 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:28:22,992 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:28:22,997 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:28:23,001 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:28:22" (1/1) ... [2023-11-21 18:28:23,002 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@134ef6c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:23, skipping insertion in model container [2023-11-21 18:28:23,003 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:28:22" (1/1) ... [2023-11-21 18:28:23,100 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:28:24,829 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:28:24,857 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:28:25,177 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:28:25,407 WARN L675 CHandler]: The function fflush is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:28:25,407 WARN L675 CHandler]: The function strerror is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:28:25,407 WARN L675 CHandler]: The function strncmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:28:25,408 WARN L675 CHandler]: The function ferror is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:28:25,408 WARN L675 CHandler]: The function strtoul is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:28:25,408 WARN L675 CHandler]: The function close is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:28:25,408 WARN L675 CHandler]: The function fgetc is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:28:25,416 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:28:25,417 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:25 WrapperNode [2023-11-21 18:28:25,417 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:28:25,419 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:28:25,419 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:28:25,419 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:28:25,428 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:25" (1/1) ... [2023-11-21 18:28:25,500 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:25" (1/1) ... [2023-11-21 18:28:25,686 INFO L138 Inliner]: procedures = 600, calls = 440, calls flagged for inlining = 31, calls inlined = 30, statements flattened = 1892 [2023-11-21 18:28:25,691 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:28:25,703 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:28:25,704 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:28:25,704 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:28:25,716 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:25" (1/1) ... [2023-11-21 18:28:25,717 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:25" (1/1) ... [2023-11-21 18:28:25,749 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:25" (1/1) ... [2023-11-21 18:28:25,754 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:25" (1/1) ... [2023-11-21 18:28:25,846 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:25" (1/1) ... [2023-11-21 18:28:25,879 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:25" (1/1) ... [2023-11-21 18:28:25,915 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:25" (1/1) ... [2023-11-21 18:28:25,932 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:25" (1/1) ... [2023-11-21 18:28:25,973 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:28:25,975 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:28:25,975 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:28:25,976 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:28:25,977 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:25" (1/1) ... [2023-11-21 18:28:25,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:28:25,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07b892e-b28a-4637-bc65-6281c420acdf/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:28:26,018 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07b892e-b28a-4637-bc65-6281c420acdf/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:28:26,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07b892e-b28a-4637-bc65-6281c420acdf/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:28:26,069 INFO L130 BoogieDeclarations]: Found specification of procedure xopen [2023-11-21 18:28:26,070 INFO L138 BoogieDeclarations]: Found implementation of procedure xopen [2023-11-21 18:28:26,070 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2023-11-21 18:28:26,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc [2023-11-21 18:28:26,071 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc [2023-11-21 18:28:26,071 INFO L130 BoogieDeclarations]: Found specification of procedure close [2023-11-21 18:28:26,071 INFO L130 BoogieDeclarations]: Found specification of procedure xrealloc [2023-11-21 18:28:26,071 INFO L138 BoogieDeclarations]: Found implementation of procedure xrealloc [2023-11-21 18:28:26,072 INFO L130 BoogieDeclarations]: Found specification of procedure strerror [2023-11-21 18:28:26,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:28:26,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-21 18:28:26,072 INFO L130 BoogieDeclarations]: Found specification of procedure bb_verror_msg [2023-11-21 18:28:26,072 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_verror_msg [2023-11-21 18:28:26,073 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc [2023-11-21 18:28:26,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-21 18:28:26,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:28:26,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 18:28:26,075 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2023-11-21 18:28:26,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:28:26,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 18:28:26,076 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:28:26,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:28:26,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-11-21 18:28:26,076 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-11-21 18:28:26,077 INFO L130 BoogieDeclarations]: Found specification of procedure xmalloc [2023-11-21 18:28:26,078 INFO L138 BoogieDeclarations]: Found implementation of procedure xmalloc [2023-11-21 18:28:26,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-21 18:28:26,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-21 18:28:26,079 INFO L130 BoogieDeclarations]: Found specification of procedure bb_perror_msg_and_die [2023-11-21 18:28:26,079 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_perror_msg_and_die [2023-11-21 18:28:26,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-21 18:28:26,079 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-21 18:28:26,080 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:28:26,081 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:28:26,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:28:26,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 18:28:26,082 INFO L130 BoogieDeclarations]: Found specification of procedure ferror [2023-11-21 18:28:26,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-21 18:28:26,083 INFO L130 BoogieDeclarations]: Found specification of procedure bb_show_usage [2023-11-21 18:28:26,083 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_show_usage [2023-11-21 18:28:26,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:28:26,084 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2023-11-21 18:28:26,084 INFO L130 BoogieDeclarations]: Found specification of procedure bb_error_msg_and_die [2023-11-21 18:28:26,084 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_error_msg_and_die [2023-11-21 18:28:26,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:28:26,677 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:28:26,682 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:28:28,513 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:28:29,178 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:28:29,179 INFO L308 CfgBuilder]: Removed 33 assume(true) statements. [2023-11-21 18:28:29,181 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:28:29 BoogieIcfgContainer [2023-11-21 18:28:29,181 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:28:29,182 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:28:29,182 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:28:29,193 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:28:29,194 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:28:29" (1/1) ... [2023-11-21 18:28:29,205 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:28:29,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:29,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 472 states and 657 transitions. [2023-11-21 18:28:29,326 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 657 transitions. [2023-11-21 18:28:29,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:28:29,328 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:29,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:29,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:30,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:28:30,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:30,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 474 states and 660 transitions. [2023-11-21 18:28:30,085 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 660 transitions. [2023-11-21 18:28:30,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:28:30,085 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:30,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:30,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:30,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:28:30,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:30,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 475 states and 661 transitions. [2023-11-21 18:28:30,310 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 661 transitions. [2023-11-21 18:28:30,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:28:30,310 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:30,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:30,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:30,530 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:28:30,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:30,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 664 states to 477 states and 664 transitions. [2023-11-21 18:28:30,594 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 664 transitions. [2023-11-21 18:28:30,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:28:30,600 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:30,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:30,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:30,750 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:28:30,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:30,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 476 states and 663 transitions. [2023-11-21 18:28:30,839 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 663 transitions. [2023-11-21 18:28:30,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:28:30,840 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:30,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:30,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:31,033 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:28:31,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:31,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 664 states to 477 states and 664 transitions. [2023-11-21 18:28:31,103 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 664 transitions. [2023-11-21 18:28:31,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:28:31,104 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:31,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:31,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:31,279 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:28:31,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:31,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 476 states and 663 transitions. [2023-11-21 18:28:31,443 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 663 transitions. [2023-11-21 18:28:31,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:28:31,444 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:31,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:31,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:31,592 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-21 18:28:31,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:31,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 475 states and 662 transitions. [2023-11-21 18:28:31,642 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 662 transitions. [2023-11-21 18:28:31,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:28:31,642 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:31,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:31,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:31,860 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:28:32,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:32,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 478 states and 665 transitions. [2023-11-21 18:28:32,082 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 665 transitions. [2023-11-21 18:28:32,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:28:32,082 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:32,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:32,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:32,309 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:28:32,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:32,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 481 states and 668 transitions. [2023-11-21 18:28:32,483 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 668 transitions. [2023-11-21 18:28:32,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:28:32,484 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:32,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:32,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:32,732 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:28:32,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:32,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 484 states and 671 transitions. [2023-11-21 18:28:32,943 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 671 transitions. [2023-11-21 18:28:32,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:28:32,945 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:32,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:33,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:33,259 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:28:33,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:33,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 677 states to 487 states and 674 transitions. [2023-11-21 18:28:33,478 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 674 transitions. [2023-11-21 18:28:33,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:28:33,479 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:33,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:33,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:33,822 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:28:34,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:34,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 490 states and 677 transitions. [2023-11-21 18:28:34,090 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 677 transitions. [2023-11-21 18:28:34,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:28:34,091 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:34,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:34,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:34,459 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:28:34,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:34,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 493 states and 680 transitions. [2023-11-21 18:28:34,732 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 680 transitions. [2023-11-21 18:28:34,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:28:34,733 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:34,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:34,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:35,124 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:28:35,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:35,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 686 states to 496 states and 683 transitions. [2023-11-21 18:28:35,415 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 683 transitions. [2023-11-21 18:28:35,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:28:35,416 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:35,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:35,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:35,780 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:28:35,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:35,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 499 states and 685 transitions. [2023-11-21 18:28:35,945 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 685 transitions. [2023-11-21 18:28:35,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-21 18:28:35,946 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:35,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:36,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:36,385 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:28:36,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:36,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 498 states and 684 transitions. [2023-11-21 18:28:36,635 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 684 transitions. [2023-11-21 18:28:36,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-21 18:28:36,636 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:36,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:36,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:36,794 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:28:36,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:36,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 497 states and 683 transitions. [2023-11-21 18:28:36,819 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 683 transitions. [2023-11-21 18:28:36,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-21 18:28:36,819 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:36,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:36,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:36,983 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:28:37,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:37,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 496 states and 682 transitions. [2023-11-21 18:28:37,122 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 682 transitions. [2023-11-21 18:28:37,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-21 18:28:37,123 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:37,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:37,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:37,321 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:28:37,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:37,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 497 states and 684 transitions. [2023-11-21 18:28:37,411 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 684 transitions. [2023-11-21 18:28:37,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-21 18:28:37,411 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:37,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:37,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:37,604 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:28:37,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:37,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 498 states and 685 transitions. [2023-11-21 18:28:37,627 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 685 transitions. [2023-11-21 18:28:37,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-21 18:28:37,628 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:37,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:37,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:37,854 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:28:37,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:37,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 501 states and 689 transitions. [2023-11-21 18:28:37,948 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 689 transitions. [2023-11-21 18:28:37,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-21 18:28:37,949 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:37,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:38,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:38,131 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:28:38,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:38,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 690 states to 502 states and 690 transitions. [2023-11-21 18:28:38,167 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 690 transitions. [2023-11-21 18:28:38,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-21 18:28:38,167 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:38,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:38,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:38,375 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:28:38,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:38,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 691 states to 503 states and 691 transitions. [2023-11-21 18:28:38,403 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 691 transitions. [2023-11-21 18:28:38,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:28:38,404 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:38,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:38,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:38,674 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-11-21 18:28:39,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:39,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 509 states and 702 transitions. [2023-11-21 18:28:39,171 INFO L276 IsEmpty]: Start isEmpty. Operand 509 states and 702 transitions. [2023-11-21 18:28:39,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:28:39,172 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:39,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:39,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:39,418 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:28:39,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:39,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 706 states to 511 states and 706 transitions. [2023-11-21 18:28:39,854 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 706 transitions. [2023-11-21 18:28:39,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:28:39,855 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:39,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:39,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:40,042 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-11-21 18:28:40,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:40,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 707 states to 512 states and 707 transitions. [2023-11-21 18:28:40,069 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 707 transitions. [2023-11-21 18:28:40,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:28:40,070 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:40,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:40,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:40,376 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-11-21 18:28:40,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:40,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 706 states to 511 states and 706 transitions. [2023-11-21 18:28:40,702 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 706 transitions. [2023-11-21 18:28:40,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-21 18:28:40,702 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:40,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:40,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:40,974 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:28:41,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:41,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 711 states to 514 states and 711 transitions. [2023-11-21 18:28:41,175 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 711 transitions. [2023-11-21 18:28:41,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-21 18:28:41,176 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:41,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:41,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:41,444 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:28:41,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:41,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 518 states and 716 transitions. [2023-11-21 18:28:41,761 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 716 transitions. [2023-11-21 18:28:41,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-21 18:28:41,762 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:41,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:41,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:41,997 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2023-11-21 18:28:42,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:42,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 718 states to 520 states and 718 transitions. [2023-11-21 18:28:42,528 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 718 transitions. [2023-11-21 18:28:42,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-21 18:28:42,529 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:42,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:42,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:42,892 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2023-11-21 18:28:43,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:43,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 521 states and 721 transitions. [2023-11-21 18:28:43,742 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 721 transitions. [2023-11-21 18:28:43,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-21 18:28:43,743 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:43,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:43,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:44,097 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2023-11-21 18:28:44,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:44,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 720 states to 520 states and 720 transitions. [2023-11-21 18:28:44,529 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 720 transitions. [2023-11-21 18:28:44,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-21 18:28:44,530 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:44,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:44,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:44,843 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:28:44,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:44,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 524 states and 725 transitions. [2023-11-21 18:28:44,966 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 725 transitions. [2023-11-21 18:28:44,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-21 18:28:44,966 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:44,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:45,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:45,235 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2023-11-21 18:28:45,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:45,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 525 states and 725 transitions. [2023-11-21 18:28:45,397 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 725 transitions. [2023-11-21 18:28:45,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-21 18:28:45,398 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:45,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:45,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:45,834 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:28:46,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:46,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 529 states and 730 transitions. [2023-11-21 18:28:46,080 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 730 transitions. [2023-11-21 18:28:46,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-21 18:28:46,081 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:46,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:46,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:46,441 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:28:46,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:46,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 530 states and 731 transitions. [2023-11-21 18:28:46,548 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 731 transitions. [2023-11-21 18:28:46,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-21 18:28:46,549 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:46,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:46,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:46,823 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2023-11-21 18:28:47,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:47,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 734 states to 531 states and 732 transitions. [2023-11-21 18:28:47,171 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 732 transitions. [2023-11-21 18:28:47,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-21 18:28:47,172 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:47,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:47,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:47,427 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:28:47,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:47,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 532 states and 733 transitions. [2023-11-21 18:28:47,449 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 733 transitions. [2023-11-21 18:28:47,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-21 18:28:47,450 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:47,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:47,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:47,630 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2023-11-21 18:28:47,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:47,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 533 states and 735 transitions. [2023-11-21 18:28:47,903 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 735 transitions. [2023-11-21 18:28:47,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-21 18:28:47,903 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:47,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:47,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:48,097 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2023-11-21 18:28:48,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:48,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 534 states and 735 transitions. [2023-11-21 18:28:48,385 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 735 transitions. [2023-11-21 18:28:48,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-21 18:28:48,387 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:48,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:48,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:48,708 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:28:48,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:48,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 538 states and 740 transitions. [2023-11-21 18:28:48,990 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 740 transitions. [2023-11-21 18:28:48,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-21 18:28:48,991 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:48,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:49,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:49,186 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:28:49,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:49,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 746 states to 541 states and 744 transitions. [2023-11-21 18:28:49,478 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 744 transitions. [2023-11-21 18:28:49,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-21 18:28:49,478 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:49,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:49,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:49,677 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:28:49,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:49,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 542 states and 745 transitions. [2023-11-21 18:28:49,702 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 745 transitions. [2023-11-21 18:28:49,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-21 18:28:49,703 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:49,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:49,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:49,913 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:28:49,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:49,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 544 states and 748 transitions. [2023-11-21 18:28:49,932 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 748 transitions. [2023-11-21 18:28:49,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-21 18:28:49,934 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:49,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:50,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:50,246 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2023-11-21 18:28:52,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:52,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 766 states to 553 states and 764 transitions. [2023-11-21 18:28:52,438 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 764 transitions. [2023-11-21 18:28:52,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-21 18:28:52,440 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:52,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:52,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:52,680 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2023-11-21 18:28:53,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:53,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 767 states to 554 states and 765 transitions. [2023-11-21 18:28:53,219 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 765 transitions. [2023-11-21 18:28:53,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-21 18:28:53,220 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:53,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:53,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:53,533 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:28:53,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:53,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 765 states to 553 states and 763 transitions. [2023-11-21 18:28:53,664 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 763 transitions. [2023-11-21 18:28:53,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-21 18:28:53,666 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:53,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:53,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:53,942 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:28:54,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:54,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 764 states to 552 states and 762 transitions. [2023-11-21 18:28:54,073 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 762 transitions. [2023-11-21 18:28:54,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-21 18:28:54,074 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:54,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:54,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:54,526 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2023-11-21 18:28:56,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:56,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 780 states to 562 states and 778 transitions. [2023-11-21 18:28:56,653 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 778 transitions. [2023-11-21 18:28:56,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-21 18:28:56,655 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:56,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:56,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:57,036 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:28:57,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:57,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 785 states to 566 states and 783 transitions. [2023-11-21 18:28:57,354 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 783 transitions. [2023-11-21 18:28:57,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-21 18:28:57,361 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:57,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:57,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:57,517 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:28:57,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:57,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 565 states and 782 transitions. [2023-11-21 18:28:57,557 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 782 transitions. [2023-11-21 18:28:57,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-21 18:28:57,558 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:57,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:57,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:57,857 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:28:58,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:58,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 783 states to 564 states and 781 transitions. [2023-11-21 18:28:58,148 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 781 transitions. [2023-11-21 18:28:58,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-21 18:28:58,152 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:58,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:58,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:58,488 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:28:58,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:58,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 782 states to 563 states and 780 transitions. [2023-11-21 18:28:58,773 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 780 transitions. [2023-11-21 18:28:58,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-21 18:28:58,775 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:58,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:58,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:58,956 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:28:58,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:58,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 781 states to 562 states and 779 transitions. [2023-11-21 18:28:58,978 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 779 transitions. [2023-11-21 18:28:58,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-21 18:28:58,979 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:58,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:59,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:59,193 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2023-11-21 18:28:59,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:59,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 781 states to 563 states and 779 transitions. [2023-11-21 18:28:59,208 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 779 transitions. [2023-11-21 18:28:59,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-21 18:28:59,209 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:59,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:59,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:59,677 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:29:00,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:00,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 567 states and 784 transitions. [2023-11-21 18:29:00,280 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 784 transitions. [2023-11-21 18:29:00,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-21 18:29:00,281 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:00,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:00,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:00,551 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2023-11-21 18:29:00,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:00,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 788 states to 569 states and 785 transitions. [2023-11-21 18:29:00,948 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 785 transitions. [2023-11-21 18:29:00,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-21 18:29:00,949 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:00,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:01,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:01,382 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:29:01,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:01,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 568 states and 784 transitions. [2023-11-21 18:29:01,695 INFO L276 IsEmpty]: Start isEmpty. Operand 568 states and 784 transitions. [2023-11-21 18:29:01,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-21 18:29:01,696 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:01,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:01,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:02,007 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2023-11-21 18:29:02,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:02,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 788 states to 570 states and 785 transitions. [2023-11-21 18:29:02,457 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 785 transitions. [2023-11-21 18:29:02,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-21 18:29:02,458 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:02,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:02,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:02,582 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:29:02,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:02,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 570 states and 781 transitions. [2023-11-21 18:29:02,601 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 781 transitions. [2023-11-21 18:29:02,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-21 18:29:02,602 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:02,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:02,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat